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Accelerated Loss of Mains Change Programme (ALoMCP)

Learn about the Accelerated Loss of Mains Change Programme (ALoMCP) and how it affects you.

Having operated in the power generation industry for over 80 years, we’ve seen the dramatic changes that have swept the industry, and made adaptability key to success. Instead of complete reliance on fossil fuels and high-capacity power stations, we are increasingly turning toward a larger number of low-capacity generators, with wind farms, photovoltaic solar sites and hydroelectric plants making their mark. With predictions claiming that by 2030, renewables will supply 53% of Europe’s power, how we handle grid stability, generator efficiency and safety of both engineers and consumers could spell the difference between success and failure. That’s where the Accelerated Loss of Mains Change Programme (ALoMCP) comes into play – ensuring the correct relays and settings are being used for optimum effect. 

The ALoMCP not only prevents power islanding, blackouts and loss of revenue, but ensures that your site is compliant with industry regulations. A nationally-funded project that offers grants of up to £4000, and heavy fines should you not comply by September 2022 – it’s imperative that you act fast. With Dale Power Solutions by your side, we can help with the whole process – carrying out site surveys, supplying the right relays and generators, and even looking for better ways to run your site more effectively. With an award-winning team of 100+ technical engineers who are available 24/7, 365 days of the year, we are best placed to provide the support and service you need to get you on track for funding.

Therefore, if you’re looking for support with ALoMCP, then you can trust in Dale. Regardless of whether you’re located in Scarborough, St Albans, Glasgow or Pen y Cymoedd, we’ll be there whenever you need us, making things right as quickly and effectively as possible. To learn more, please get in touch with us today.

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What Is The Accelerated Loss-of-Mains Change Programme?

The Accelerated Loss-of-Mains Change Programme (ALoMCP) is an industry-wide project run by the National Grid and Network Operators (DNOs). The aim of the programme is to update Loss of Mains (LoM) protection for renewable electricity generators such as wind turbines, hydro schemes and solar photovoltaics, to reduce the risks of needless tripping and loss of energy supply. In the past, these generators have been fitted with RoCoF or Vector Shift (VS) relays, which trip in response to transmission faults, or in RoCoF’s case, when sensing rates of frequency change as low as 0.125 Hzs-1. Because this can lead to Low Frequency Demand Disconnection and unnecessary loss of demand, the ALoMCP aims to supply operators with new relays and systems under the new G99 rules. Under the G99, generators can get through minor faults without simultaneously disconnecting. As part of G99, older generators connected under the G59 regulations must change their relay settings, or even change the relay if required, facing hefty fines if not compliant by September 2022. 

It should be noted that even if you already have a G99 relay, you must ensure that your systems are configured correctly.

The programme might seem like an expensive switch, but it’s actually quite the contrary. The ALoMCP is a nationally-funded project that offers the following grants:

  • Up to £1,500 where protection function/relay deactivation and/or protection settings change is required.
  • Up to £4,000 where a protection relay replacement is required.

These payments operate on a ‘first-come, first-served’ basis, and the funding is also time-sensitive. We therefore recommend acting fast, because the initial cost vs. funding claim could potentially work out as being FREE. From surveying your site to supplying and installing the correct products, we can help you with the full service solution, getting your generators up to code in no time at all.

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FAQs

What is the Accelerated Loss-of-Mains Change Programme?

ALoMCP is the Accelerated Loss-of-Mains Change Programme. The Distribution Code has been updated and requires some generators to have changes made to their relay card.

Which generators are affected by ALoMCP?

Generators above 11kW output (3 phase) with a “G59 relay”, connected before February 2018 are affected by the changes. If you are in any doubt, then please call us for further clarification.

I already have a G99 relay, am I affected by ALoMCP?

Even though you are using the updated version you must ensure that your systems are configured in the right manner i.e. some G99 relays are configured to the G59 settings and these will need to be reset. We recommend finding out if this is the case as soon as possible.

What changes do I have to make?

This depends on your current instalment. You may have to update the settings or replace the device installed. We can help and advise you on this.

What is the deadline for compliance to the ALoMCP?

All owners of generation sites connected with the old G59 must update before September 2022, or potentially face enforcement action and loss of earnings if taking part in one of the National Grid programmes.

Do I have to make the changes?

Non-compliance to ALoMCP breaches the terms of your connection agreement and therefore the changes are a legal requirement and must be complied with by September 2022. After this date owners who have not made the change will be the subject of an enforcement programme.

Is ALoMCP funding available?

Funding is available on a first come first served basis.

How do I apply for funding?

A set of criteria is available on the Energy Network Association’s website – http://www.energynetworks.org/electricity/engineering/loss-of-mains.html

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The Need For Loss of Mains Protection

Loss of Mains (LoM) protection – which includes under voltage, over voltage and frequency protection – is used to detect a generator’s lack of electricity supply and prevent power islanding. Power islanding occurs when the main electricity supply is lost to part of the distribution network and distributed generation continues to export power to support the load in affected areas. This creates a power island that operates independently of the main electricity supply, which unfortunately, presents issues such as:

  • Unreliable voltage and frequency control within the islanded network – a considerable concern for the Distribution Network Operator (DNO) and the UK System Operator (GBSO).
  • Enclosure following loss of synchronism between the islanded network and the distribution network.
  • Because multiple generators connected at different voltage levels could be exporting power and keeping the network energised, it becomes difficult to isolate who is supplying said power.
  • Protection sensitivity, operating times and grading within the power island may be affected.
  • The islanded network may become unearthed.
  • Damage can be caused to customer plant equipment when operating outside design voltage and frequency limits. 

Ultimately, if all of your generators concurrently disconnected because of a minor grid disturbance, the loss of generation capacity could cause the grid frequency to suddenly fall and the grid to crash, resulting in blackouts and a loss of revenue for your business. It is therefore imperative that you prepare for circumstances such as these, because under the Distribution Code, you are responsible for ensuring that by design, the voltage and frequency at the customer’s connection point remains within statutory limits.

The aim of Loss of Mains protection is to ensure that distributed generation does not weaken the integrity or effect the safety of the distribution network by reducing the likelihood of power islanding and therefore keeping everyone connected.

Types of Loss of Mains Protection

Power islanding poses issues such as:

Safety concerns, including giving utility workers shocks and burns. Power islanding creates the illusion that the utility power has been switched off, when in fact, the grid is still powered due to distributed generators. Even in the event of an outage, electricity may still come through these generators, creating further hazards.

Damage to customer’s appliances, equipment, appliances and devices. Islanding and distributed generation could cause a bi-directional flow of electricity – affecting what’s on the other end of the wire. In fact, some devices are sensitive to any fluctuations in voltage, and this should always be taken into account.

Inverter damage, in cases of large solar panel systems. When inverters are installed with distributed generators, islanding could hinder their ability to function properly.

Therefore, Loss of Mains Protection is implemented to prevent the formation of power islands, and its associated issues. For generators that operate in long-term parallel with the distribution network and do not allow intertripping, Loss of Mains protection is now required by law, and loss of main utility electricity supply may be detected with one of the following methods:

Rate of Change of Frequency

Rate of Change of Frequency (RoCoF) protection determines how quickly the system frequency is changing by constantly sampling the frequency of mains voltage. As you may know, changes in frequency occur when there is a difference between the power being produced by generation to support an electrical system, and the power being consumed by the load connected to the same electrical system. During normal operation of the UK’s electricity system, NGET maintains the frequency within the statutory limits of 49.5Hz to 50.5Hz. Therefore, the loss of a large power station or block of load may interrupt the system so that it goes beyond statutory limits, which is not ideal at the best of times.

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Vector Shift

Vector Shift (VS) protection detects sudden changes in the mains voltage angle, typically caused by:

  • A change in output from the generating plant.
  • Changes to demands connected to the network.

Vector shift protection may respond better to changes in network impedance which often occur during islanding. Vector Shift protection is also more sensitive to short circuit faults on the transmission, distribution and customer networks.

Intertripping 

Intertripping is sometimes used as an alternative to Loss of Mains protection. Intertripping works by monitoring circuit breakers that would usually disconnect a section of their network if opened. If these circuit breakers open, or protection is initiated, the generator’s circuit breaker will be opened, and disconnected from the distribution network. A great benefit of intertripping is that it can be executed on both radical and simple networks where it can determine which circuit breakers, if opened, could lead to islanding. 

It is imperative that communication systems, including pilot wires, fibre optics and microwave communications all allow intertripping.

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What Are The Differences between the G59 and the G99?

Let’s be honest, sometimes a change in relay and regulation can leave us wondering the point of it all, but where islanding is the concern, we believe the change is necessary. G99 compliance differs from G59 in that firstly, G99 applies to your site as a whole, relating to both generators and inverters. This is why sites that were commissioned before February 2018 are exempt from compliance. Sites with older equipment – for the most part – won’t be able to comply due to the replacement costs. However, these sites must comply with G59-3.4.

G59-3.4 Calibration & Accuracy Tests Phase Setting Time Delay Lower Limit
Stage 1 Over Voltage L1 – N
L2 – N
L3 – N
262.2V
230V system
1.0s 258.75
Stage 2 Over Voltage L1 – N
L2 – N
L3 – N
273.7V
230V system
0.5s 270.25
Stage 1 Under Voltage L1 – N
L2 – N
L3 – N
200.1V
230V system
2.5s 196.65
Stage 2 Under Voltage L1 – N
L2 – N
L3 – N
184.0V
230V system
0.5s 180.55
Stage 2 Under Voltage L1 – N
L2 – N
L3 – N
184.0V
230V system
0.5s 180.55
G99 Calibration & Accuracy Tests Phase Setting Time Delay Lower Limit
Stage 1 Over Voltage L1 – N
L2 – N
L3 – N
262.2V
230V system
1.0s 258.75
Stage 2 Over Voltage L1 – N
L2 – N
L3 – N
273.7V
230V system
0.5s 270.25
Under Voltage L1 – N
L2 – N
L3 – N
184.0V
230V system
2.5s 180.55

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The Accelerated Loss-of-Mains Change Programme (ALoMCP) Process

Pre-Qualification Criteria For The Accelerated Loss of Mains Change Programme

To be considered for participation in the programme, your site must meet the following pre-qualification criteria:

  • Operate in long-term parallel mode with the distribution network.
  • Have been connected and commissioned prior to February 2018.
  • Have your Loss-of-Mains protection, relays or otherwise, responding to either:
  • Vector Shifts (VS).
  • RoCoF, where the settings are more sensitive than the settings required by the Engineering Recommendations G59 Issue 3 Amendment 7.
  • RoCoF, where the settings have been modified retrospectively on or after February 2018 to comply with the Engineering Recommendations G59 Issue 3 Amendment 7.
  • Have not received any prior payment to alter their Loss-of-Mains protection either as part of ALoMCP or any other programme. 

Works Required For The Accelerated Loss of Mains Change Programme

To achieve compliance with the ALoMCP, providers will need to:

  • Ensure that where RoCoF is used to detect Loss-of-Mains, the protection settings are 1Hzs-1 with a definite time delay of 500ms.
  • Ensure that vector shift protection is no longer being used as a form of Loss-of-Mains protection.

Should you need your relay protection settings changed, the provider will simply change the settings of the protection device to meet Distribution Code requirements

Should you require protection function deactivating, the provider will disable the Loss-of-Mains protection of the protection device. Applicability concerns protection devices that can’t accept the new settings required, or protection devices that are not used to protect synchronous generating units or doubly-fed induction generation units.

If you need replacement works, the provider replaces the current protection device with a new protection device that can be configured to comply with the Distribution Code Requirements. Replacement works suitability pertains to protection devices that can’t accept the new settings required.

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Payment For The The Accelerated Loss of Mains Change Programme

Providers will receive a payment depending on the scope of the works required. This sum will be calculated for each facility, on the basis of the information provided in the application.

  • You will receive up to £4000 plus VAT for each protection device that requires protection replacement works, and;
  • Up to £4000 plus VAT that comprises:
  • £1500 plus VAT for the first protection device that requires either protection function deactivation or protection settings change.
  • £500 plus VAT per protection device for up to 5 additional protection devices that need either protection function deactivation or protection settings change.
  • £0 for any additional devices that require protection function deactivation or protection settings change
  • £500 plus VAT for sites that are subject to post-event sample site visits.

Witness Testing and Assurance

Participating Distributors are responsible for carrying out assurance activities for your sites, which includes witness testing where necessary, a review of any evidence of works completion, and post-event sample site visits. You won’t be charged for a satisfactory first witness or a sample site visit during normal business hours. The works will not be treated as complete and you won’t become eligible for payment until all of the delivery assurance activities have been completed to the high standards of the Participating Distributor.

What Does Witness Testing Involve?

For ALoMCP purposes, witness testing is where a Participating Distributor’s representative visits your site while you or your contractor implements the change to the protection devices, and, in some cases, oversees the completion of the works. For Participating Distributors, witness testing provides assurance that the works done by you, or your contractor, do not affect the safety of the Participating Distributor’s distribution system. It also shows them whether the Provider and/or contractor has the required skills, processes and procedures in place to carry out protection modification works at other sites without the need to witness them in the future.

While at your site, the Participating Distributor’s representative will witness the completion of the tests, relevant to the work undertaken to implement the protection changes and provide signed copies of the commissioning documentation to the Participating Distributor’s representative. The representative will be expected to record the occasions when they had to intervene to provide guidance or point out errors to be corrected. These records will be anonymised, collated and shared by the Participating Distributor with other Participating Distributors and NGESO to discuss any further help that could be of benefit to you

Following witness testing, is self-certification and post event sample site visit. Self-certification is where you declare to your Participating Distributor that the works have been completed, backing this up with suitable evidence to support your claim for payment. During the sample site visit, a representative from the Participating Distributor will visit your site to ensure that you are now compliant with G99 regulations. Along with comparing the relay and the settings as submitted in the records you provided, they will record any discrepancies, and where necessary, point out any required actions.

Fortunately, you won’t be charged for a successful visit, and we can help with advice and guidance on how to make it one.

Application Process & Implementation Process

Getting the application process right could spell the difference between funding and having to fork out the full amount, so you obviously want to ensure you do this correctly. We know that forms are not everyone’s forte, so we break down the application and implementation process for ease of completion.

Accelerated Loss of Mains Change Programme Application Process

The application process runs in cyclical windows, with opening and closing days that must be adhered to. Applications for funding operate on a ‘first-come, first-served’ basis, with funding being time-limited. The windows are as follows:

  • Window 1 – 02/10/19 – 12/11/19.
  • Window 2 – 13/11/19 – 11/02/20.
  • Window 3 – 12/02/20 – 12/05/20.
  • Window 4 – 13/05/20 – 11/08/20.

Participating Distributors, such as Electricity North West, GTC, Northern Powergrid and UK Power Networks will issue a ‘’call for applications’ on the opening day of the first window, reissuing this call for applications at the start of the following windows subject to closure. The call for applications will detail the information and the timeline relevant to that particular window.

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Then, at the time following the first call for application up until the closure of the Programme, you can apply through the dedicated web portal. The application requires your contact details, an offer to complete the works in line with Engineering Recommendations G59 Issue 3 Revision 7, and the technical information necessary to assess the application. This includes information such as:

Capacity.

Generation type.

Number of LoM devices.

Current LoM device type(s) and setting(s).

The scope of the works required (i.e. protection settings change, protection function deactivation, or protection replacement works).

Participating Distributor.

Lead time for change.

MPAN.

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When you’ve submitted this information, an email will be sent out to you confirming your application has been received, and that the following actions will be taken:

  • Your Participating Distributor will review whether the application meets the pre-qualification criteria and that the information you’ve provided matches up. Once happy, they will submit your application through the portal for NGESO for a full assessment.
  • NGESO will assess your application, and if selected for funding, your Participating Distributor will tell you the works completion date, taking into account the lead time for change. They will also tell you about the next steps in the process, as well as the contractual terms that you must accept and abide by to receive payment.
  • You’ll then be required to add your completion date to ENA’s portal, representing your commitment to make the required changes. This date should allow for at least 20 business days from notification to ensure that the Participating Distributor can arrange witness testing of Loss of Mains protection if necessary. 
  • You’ll then carry out the works on the agreed implementation date, with the Participating Distributor witnessing this as and when required. You’ll be asked to submit supporting evidence of completion to the Participating Distributor, and an invoice for payment, which will be reviewed.
  • If the Participating Distributor needs to carry out a sample site visit at the site, they will contact you to agree when this will be done. While doing the sample site visit, you will be in attendance to provide the evidence.
  • Should the evidence be accepted – this, together with the outcome of any witness testing and sample site visits, will initiate the payment process.

From carrying out the site survey to supplying the correct G99 relay, or resetting the one you currently have, we can help you throughout this process, ensuring your compliance with G99.

Funding

If your site uses a configurable G59 relay, such as the ComAp MainsPro relay, then all we need to do is update it with the new G99 settings, retest it and issue you with a new test certificate. In this situation, funding of up to £1500 + VAT is readily available. 

However, if your site has the G59 settings embedded inside the main controller hardware – for example, the older SCS hydro controllers – then the main board control could need replacing. In this case, the new control board would be G99 factory-tested, and you’ll be provided with a new test certificate. We can install this for you. In this case, funding of up to £4000 + VAT to cover the costs of the hardware may be granted. 

If your site has multiple generators, then any additional generators may receive a reduced amount of funding, but we can discuss this in more detail once we have more information on your site.

Should you require funding, all you need to do is email lossofmains@locogen.com and we’ll send you a letter of authority to complete. We’ll then register your site for grant funding, schedule the work with you and record the necessary changes as required by the National Grid.

Applying for funding is the first in a three-stage process for ensuring ALoMCP compliance. The second stage involves an unfunded requirement to apply, and the third stage concerns enforcement, with fines for non-compliance.

Have a site in Manchester, Liverpool, London or Newcastle, and are looking for more information on ALoMCP funding? Please get in touch with us today on 0330 999 3000 to find out all the details you need and more.

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Our Support

  • From the healthcare and utilities industries to the telecommunications, manufacturing and defence, we work with a broad range of sectors meaning we can be on call to help out whenever needed. Our extensive knowledge puts us at the forefront of the industry – a position we intend to keep.
  • We can help get you up to code with the G99 standard – not only through conducting site surveys and supplying fantastic products such as ComAp MainsPro relay and the DSEP10 G99 Mains Protection Relay, but by also future proofing your site with guidance on beneficial updates.
  • To ensure compliance, we can carry out full audits and tests of the relays, and can make adjustments as and when required. You will be left in no doubt of your status, and will have peace of mind knowing that you’re covered.
  • Our specialist field data capture app allows instant reporting and collaboration between yourself, us and the Participating Distributor. Using our app, we can report on issues and take photos to use as evidence – therefore speeding up the whole process. It’s a safe way to store information too.

Our award-winning engineers are available 24/7, 365 days of the year, and are always happy to help. No issue is ever too small to talk about, or too big to handle. We’ll get through it together – providing tangible solutions that you can rely on.

If you’re looking for support with your site and want a trusted partner that you can depend on, then please get in touch with us today. Whether your site’s located in Scarborough, Yorkshire, Lancaster or Cardiff, we know that our technical engineers will see you right.

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Our Products

To help you comply with the ALoMCP, we offer a great selection of relays to ensure your generators are up to code.

The DSEP100

The DSEP10 G99 Mains Protection Relay detects changes in the mains supply to which distributed energy resource is connected. If a mains failure is detected, the DSEP100 will disconnect the equipment in line with national DNO requirements, preventing islanding and protecting distributed energy resource (DER) equipment

Suitable for use with all DER equipment supplying power in parallel with the mains supply, it can be fitted to renewable energies such as photovoltaic (solar) and wind turbine installations. The DSEP100 is fully G99 compliant, and, if you are already using an existing DSEP100 fitted under G59, it simply needs reconfiguring to meet the G99 regulations. 

The DSEP100 also complies with multiple other world standards for connecting to the mains supply and is future proofed for any further changes that may occur.

Key Features of The DSEP100

  • Detects mains failures when in parallel with another source.
  • RoCoF Protection.
  • Positive sequence over voltage/negative sequence under voltage.
  • Zero sequence overvoltage protection (Neutral Voltage Displacement protection).
  • Lockable security tab to prevent configuration changes after commissioning.
  • World standard integration (G99/1, G98/1, G59/3, G83,3 & C10/11).

Benefits of The DSEP100

  • Prevents power being supplied into an islanded grid.
  • Detects imbalances in the measured system.
  • Determines neutral voltage displacement.
  • Ensures the device remains tamper proof once installed.
  • Protects against both short-term and long-term voltage disturbances.
  • Offers ease in both configuration and high-level system control and monitoring.

The DSEP100 – Key Specs

DC POWER SUPPLY

CONTINUOUS VOLTAGE RATING

8 V to 35 V Continuous

CRANKING DROPOUTS

Able to survive 0 V for 50 mS, providing supply was at least 10 V before dropout and supply recovers to 5 V. This is achieved without the need for internal batteries.

MAXIMUM OPERATING CURRENT

360 mA at 12 V, 170 mA at 24 V

 

AC POWER SUPPLY

CONTINUOUS VOLTAGE RATING

85 V to 305 V AC (Ph to N)

CONTINUOUS FREQUENCY RATING

3.5 Hz to 75 Hz

MAXIMUM OPERATING CURRENT

58 mA at 110 V AC (Ph to N)

28 mA at 230 V AC (Ph to N)

 

MAINS (UTILITY)

VOLTAGE RANGE

15 V to 333 V AC (Ph to N)

26 V to 576 V AC (Ph to Ph)

FREQUENCY RANGE

3.5 Hz to 75 Hz

 

OUTPUTS

OUTPUT A, B, C, D & E

Volt-Free Change-Over

5 A at 30 V DC

8 A at 250 V AC

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The ComAp MainsPro

The ComAp MainsPro is a G99-1 non-type tested protection relay for mains-to-parallel applications, such as generator sets, wind turbines, photovoltaic plants and hydro-electric plants, as well as micro turbines and cogeneration. Providing adjustable frequency, voltage and loss of mains protection to protect the distribution network and your power source, the ComAp MainsPro can be counted on, every single time.

Key Features of The ComAp MainsPro

  • RoCoF Protection.
  • True Root Mean Square (RMS) measurement for better accuracy and evaluation of failures.
  • Free assignment of 5 relay outputs allows a variety of signaling and trip methods.
  • Symmetrical components for better detection of voltage asymmetry failures.
  • Adjustable time delay of Automatic fault reset which avoids the necessity of on-site personnel.
  • Allows both 3-phase and 1-phase applications.

Benefits of ComAp MainsPro

  • Remote communication capability for isolated applications.
  • Flexible supply voltage and measurement range.
  • User-friendly, with ease of setting and functionality.
  • Compact design allows for installation in restricted spaces.
  • Provides adjustability of voltage, frequency and loss of mains protections to safeguard both the distribution network and generators.
  • Independent protection allows immediate circuit breaker disconnection for secure power supply separation from the grid.

The ComAp MainsPro – Key Specs

POWER SUPPLY

Power Supply Range: 8-40 V DC; 85-263 V AC; 110-370 V DC

Maximal Power Consumption: 8W

Maximal Power Dissipation: 13 W

OPERATING CONDITIONS

Operating Temperature: -20 °C to +70 °C

Protection degree: IP20

Heat radiation: 13 W

VOLTAGE MEASUREMENT

Measurement Inputs: 3 phase mains voltage

Measurement Type: True RMS

Voltage Range: 120-230 V Ph-N; 400 V Ph-Ph

Maximal Measured Voltage: 340 V Ph-N; 600V Ph-Ph

Voltage Accuracy: 1 % from nominal value at 50 Hz; ±10 % and 25 °C; 1.5 % within the complete temperature range

Measurement Input Impedance: 400 kΩ

FREQUENCY MEASUREMENT

Frequency Range: 40-70 Hz

Frequency Accuracy: 0.1 Hz within 40-70 Hz

SIGNAL RELAY CONTACTS

Maximum Switched Voltage / Current: 250 V / 4 A

Maximum Switched Power: Resistive load: 1000 VA AC, 200 WDC; Inductive load: 50 VA AC, 25 WDC

Rated Voltage / Current Relay: Resistive load: 250 V / 4 A AC, 200 V /1 A. 24 V /4 A DC; 

Inductive load: 250 V / 2 A AC, 200 V /1A, 24 V / 3 A DC

Minimum Load: 1 W/ 1 VA at Umin > 10 V

Lifetime: 105 cycles

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Products For Additional Power Protection

DC UPS/Battery Charger | Modular

The DC system which holds single phase or three phase input switch mode, offers a more compact, power dense, modular solution. This can be configured to provide an output voltage from 24V to 240V with an output power capability to 150kW. Modular systems prove to be beneficial down to their high efficiency, expandability and the potential for rectifier redundancy. Industrial switch mode power range of DC systems provide a higher input of power factor with hot plug rectifier modules and low distortion sinusoidal input current. The modular power system has ease of maintenance and operation by being flexible and expandable. The Modular DC UPS has inbuilt remote communications capability and redundancy with N 1 rectifier modules.

A system such as this is applicable for power generation and distribution, transport infrastructure, oil and gas, onshore and off-shore petro-chemincal and the nuclear industry, as well as renewable energy sources. The range of modular switch mode systems are based on the SR range of rectifiers which utilise high frequency switch mode technology to convert AC input to a high quality source of DC power. The system is equipped with additional analogue metering and extra configurable remote relay contacts. We accommodate for various custom designed options, such as custom enclosure paint colours, larger cubicle sizes for more complex solutions, and top or bottom cable entry. The systems are charged with specific circuit breakers or fuses, distribution isolators and anti-condensation heaters and are set up for counter EMF diode systems for loads sensitive to high charge voltages. A great addition for a business looking for further accelerated loss of mains change programme compliance.

DC UPS/Battery Charger | Single Phase Input

The DCV and CV range of Single Phase Input Thyristor based DC systems can be used when configuring DC output voltages from 24V to 240V standard with output currents running to 1250A. Engineered to cope with demanding environmental and operating conditions using Thyristor technology and capable of being configured for parallel operation, they also have a long design life in excess of 20 years. The single phase input system is compatible with lead acid, nickel cadmium or lithium ion batteries and includes input and output voltage options. With the DC system there are specific custom designed options available such as: enclosure, IP and paint colours, control and distribution options, and custom alarm and monitoring configuration options.

Standard systems of alarm and monitoring DAU are equipped with the Dale DAU DC alarm unit module, with 8 push buttons for display page navigation, configuration and charger mode control. The LCD display with 4 lines and 20 characters provides charger output voltage, current, and status information.

DC UPS/Battery Charger | Three Phase Input

The 6CV range of three phase input thyristor based DC systems have capacity to be configured to provide output volumes from 24V to 240V nominal, with output currents from 25A to 250V. The range offers solutions which have been specifically designed to withstand even the most demanding of environmental and operating conditions. Voltage within the system is constant with current limited output, with given input and output voltage options. The three phase input is capable of being configured for parallel operation, also compatible with lead acid, nickel cadmium or lithium ion batteries. Metering and status are indicated by LCD/LED, custom options for alarm and monitoring configuration. The 12-pulse charger control comes with control and distribution options, enclosure, IP and paint colour options.

DC UPS Three Phase Input is engineered with custom options and can change according to specification, options include:

  • Additional analogue metering
  • Extra configurable alarm relay contacts
  • Special DC output voltages; 12VDC, 30VD, 60VDC, 120VDC, 240VDC
  • Special AC input voltages; 220-250VAC, 380-440VAC, 480VAC, 660VAC
  • Custom distribution isolators, circuit breakers or fuses
  • Anti-condensation fixtures
  • Battery isolation
  • Charger isolation
  • Load current sharing of parallel operation provided by droop voltage control and output blocking diodes
  • 2mV CCITT smoothing for 12, 24, 30 or 48/50VDC output systems
  • Custom panel lighting
  • Larger cubicle sizes
  • Top or bottom entry for cables
  • Battery boxes, battery fuse boxes and stands
  • Counter EMF diode systems for loads sensitive to high charge voltages
  • NTC
  • VRLA, vented lead acid or wet nicad
  • Battery autonomies to suit requirements
  • Increased panel protection ratings up to a maximum of IP54
  • Custom paint colours
  • Remote monitoring and control via MODBUS

Switch-Mode Rectifiers

The SR range of switch-mode rectifiers achieve power density improvements of 200% to 300% and are available in a wide variety of power ratings so as to offer the most compact and cost-effective power system design. Nominal outputs available are 12V, 24V, 30V, 48V, 60V, 110VDC, 125V and 220V – 90% efficiency with input power factor corrected. The systems are complete with built in alarms and indicator functions, plus natural convection cooling. Running on high efficiency and power density, the system has a battery charger or standalone power supply capability and hot swappable modules providing a rapid change out. The switch-mode rectifiers have 100W DC output power rating and high power factor sinusoidal input current. Providing compact power density, power shelves and controllers are available, plus remote MODBUS, IP and SNMP-based monitoring and control.

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Services For Extra Power Resilience

It’s inevitable that, unless maintenance is carried out according to manufacturer instructions, the majority of electronic and electrical equipment will fail, despite how well-designed it is. Downtime of electronic equipment due to failure can be detrimental in a commercial environment, and if UPS systems and generators go offline the aftermath could have significant negative consequences.

There’s three main pillars when it comes to the maintenance of UPS and generators, these are; regular testing and a planned maintenance schedule; emergency call-out facilities with a guaranteed response time; and a policy for any component replacement when they fail. Having preventative maintenance visits scheduled is key, as this is time when early signs of degradation in vital components can be found and replacements can go ahead before any downtime is caused. This is clearly very important for the accelerated loss of mains change programme.

Identifying any degradation of critical components early on can mean that repairs and replacements can be carried out before a major fault occurs and jeopardises the equipment they have been installed to protect, and spares can be sourced immediately before failure. Equipment should always be checked for signs of excessive heat, vibration and noise, and it’s important to take any environmental conditions into consideration. By removing any material and obstructions from around the equipment, you are able to minimise the risk effects of abnormal conditions. Checks should also be carried out to look for signs of damage to components, power and control wiring, and connections – including any swelling and leakage on AC and DC capacitors. The overall UPS operation should undergo checks to ensure power supply voltages and waveforms are operating correctly and to the airflow in and around installations.

Service & Maintenance

AC & DC

Every power solution needs to be given regular maintenance in order to avoid any threats of full power failure and to ensure efficient running. Predictive maintenance can prevent the risk of downtime and identify potential faults early on, allowing repairs to be scheduled reactively. Dale Power uses advanced electrical design and 3D CAD software to be able to configure your system, either uniquely or based on an existing design. Our products are designed to be customer specific, and our dedicated project managers work with you to plan, control and coordinate your entire system from order placement and design, through to manufacturing and installation.

To help with operation and maintenance of the systems, our secure power solutions are provided with technical and operational documentation. Working in accordance with the manufacturer’s guidelines is essential for good practise, whether you’re using a system from the DCV/CV Thyristor range, the Switch-Mode Modular UPS systems, or the Three Phase Output UPS range, we can provide you with a specialist who is on hand to help and to service the system correctly, to the standards set by the manufacturer. Also included in our maintenance options is factory acceptance testing which ensures your power equipment is performing correctly and meets all expected requirements. Our remote monitoring communications options are designed to provide alarm and status information to ensure a secure power system. The monitoring and alarm capabilities that we provide our customers range from configurable alarm relay contacts to remote communication. Monitoring and control are an important part of Dale Power’s maintenance options, from GUI display schemes and analogue metering right through to intelligent monitoring of such protective devices as circuit breakers and fuses.

Battery

The battery is a key player in the overall reliability and functionality of a power protection system. Batteries power your generator’s digital control panel, supply energy required by the critical load if the mains fails, provide power to ancillary panes in DC devices, and so on. The battery contributes such an important part to the system and so battery care and maintenance are of utmost importance. Dale Power offers battery service and maintenance, which includes:

  • Checking of the open circuit battery and UPS float voltages.
  • Inspecting the physical condition of the batteries, terminals and connections.
  • Assessing the condition of battery cabinets.
  • Detailed examinations of individual cells looking for post and interconnector corrosion.
  • Impedance testing to assess internal condition.
  • Voltage readings.
  • Supply and installation of new UPS batteries, as well as replacements for a variety of battery-supported products – including AC UPS, DC equipment, emergency lighting units and generator starting batteries.
  • Disposal of batteries in accordance with the Hazardous Waste Regulations 2005, which includes removal, transportation and disposal of waste batteries.
    We can also advise on battery system design and create bespoke battery installations that meet your site’s needs.

The products and services we offer here at Dale Power Solutions not only strengthens your operations, equipment and machinery, but helps with accelerated loss of mains change programme compliance. To learn more about the ALoMCP, our products and services, please don’t hesitate to contact us today on 0330 999 3000.

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‘’Dale Power Solutions provided my organisation with a number of UPS and now we have the peace of mind and security during any future power losses. The service was to the highest standard from start to finish as their service team was dedicated to meeting my power needs to the letter. I’ll be sure to turn to Dale again in the future when my need for backup power expands.Thanks again to your entire team and I look forward to dealing with you again. 5 Stars for a friendly and efficient service through and through.’’ – Jack Barty

To learn more about the ALoMCP and how Dale Power Solutions can help you to meet industry regulations, please don’t hesitate to get in touch with us today on 0330 999 3000.

Why Choose Dale Power Solutions?

You should choose Dale Power Solutions for a whole host of reasons, including:

  • No matter where you are, and where we are, if you can’t get hold of your account manager – for example, because they’re on annual leave – then we ensure there is someone you can contact beyond that. Along with our escalation process, we also have an emergency service number too, so we’re never out of reach.
  • Because of our handy locations in Scarborough, Hemel Hempstead and St Albans, as well as our distributed nationwide network of 100+ engineers, we only have a ”4 hour call out time” – meaning we can be onsite and resolving issues fairly quickly. Even if you’re located in the north of Scotland, the south of England or the west of Wales, we’ll have things up and running again so that you can get back to running your site with ease.
  • Our commitment to, and investment in, our people is fundamental to our success, and we could not be prouder of all of their accomplishments. Whether they’re taking part in our apprenticeship scheme, becoming STEM ambassadors, winning industry awards or showing us how versatile they are as engineers, we feel very lucky to have the team we do, and when you meet them, we think you will too.
  • We are also dedicated to protecting the environment, recycling 96% of our waste, and recovering 4% through a waste to energy process. We’re continuously looking for new ways to develop in this arena, and we’re even growing a range of environmentally-friendly products ourselves.

If you’re looking for a business you can trust, then you can trust in Dale. Get in touch with us today on 0330 999 3000 to find out more.

apprentices at dale power solutions

FAQs

What is the Accelerated Loss-of-Mains Change Programme?

The Accelerated Loss-of-Mains Change Programme (ALoMCP) is an industry-wide project that is taking place across Great Britain, bar Northern Ireland – who have their own programme. The programme’s aim is to update Loss of Mains (LoM) protection for renewable electricity generators, to reduce the risk of unnecessary tripping.

Why do G59 and G83 require Loss-of-Mains detection?

It is very dangerous for an island to be created and remain active, especially when powered by one or more generators. LOM detection equipment is required to detect when a LOM situation exists and then achieve disconnection of that embedded generator. An island powered by embedded generation supplying consumers’ will lose synchronous alignment with the Distribution Network, and therefore will be difficult to detect. This causes risks such as:

  • Linesmen may be repairing a Distribution Network fault, and encounter a live islanded network from outside the network – causing physical harm.
  • Embedded generators may not maintain the voltage and frequency within required ‘Power Quality’ limits, therefore causing damage to consumers’ equipment, appliances and devices.
  • The island’s electrical system may no longer be earthed properly, and therefore, local mains supply-related protection devices may not operate during a local fault, or these protection devices may no longer be in an appropriate location within the island’s electrical system to provide protection. This can pose a real danger to health and safety. 

Therefore, to ensure future safety, new Engineering Recommendations (EREC) are coming into play. G98 is replacing G83 and G99 will be replacing G59, for new connections commissioned on or after the 27th April 2019.

I already have a G99 relay, am I affected by ALoMCP?

You may be using the updated G99 relay, but you must ensure that your systems are configured correctly. For example, some G99 relays are configured to the G59 settings, and will therefore need to be reset. In some cases, you may need to replace the device installed.

I’ve heard there are new generation types. What are they?

The Requirements for Generators (RfG) has introduced new classifications for generation, called ‘’Types’’, which increases with capacity (or connection voltage). The Types are:

  • Type A: From 0.8 kW to < 1 MW and connected at < 110 kV
  • Type B: From 1 MW to < 10 MW and connected at < 110 kV
  • Type C: From 10 MW to < 50 MW and connected at < 110 kV
  • Type D: ≥ 50 MW or connected at ≥ 110 kV

Is ALoMCP funding available?

To make compliance a smoother process, generators will be paid for making changes to their relays. These payments will be fixed-rate sums, and the rates paid for the work are as follows:

  • Between £1,000 and £1,500 where only a change in settings is required.
  • Between £2,500 and £4,000 where a physical change in relay is required.

Please note that funding is available on a ‘first-come, first-served’ basis, and that funding is time-limited. In fact, there are 4 windows for getting your applications in, which are:

  • Window 1 – 02/10/19 – 12/11/19.
  • Window 2 – 13/11/19 – 11/02/20.
  • Window 3 – 12/02/20 – 12/05/20.
  • Window 4 – 13/05/20 – 11/08/20.

You’ll be notified whether your application has been successful, approximately 1 month after the closing day.

If I made changes to my site before ALoMCP, am I still eligible for payment?

If you made changes to your site prior to the launch of this programme, then yes, you may still be eligible for funding. Simply fill out your application for participation in the programme, and the DNO/IDNO will contact you if your application for participation is successful. They will discuss what evidence they require, and how payment will be made.

How will I receive payment from the programme?

You will receive payment following works completion, subject to the evidence you submit to the DNO/IDNO using the correct form, any witnessing of your changes being satisfactory, the completion date being within the cut-off date for your site, and being subject to the Contractual Terms. 

DNOs/IDNOs will aim to pay generation owners within six weeks of successful completion and submission of the necessary information. Within that time, you can contact your DNO/IDNO concerning any questions, queries and concerns that you may have, and you can find their contact details here:

WPD: ALoMCP@westernpower.co.uk

What happens if my ALoMCP application is unsuccessful?

So long as you apply by the 12th March, your application can be rolled-over into the next application window. As the programme comes to an end there could well be some applications that are or remain unsuccessful. In this case, there will be no funding given, and you’ll have to pay for the changes yourself.

Have any further questions regarding ALoMCP? Want to learn more about how we can help? We can help sites in areas such as Kent, London, Gwynt y Môr and Carlisle, so if you deal with wind farms, solar panels or hydroelectrics, then please don’t hesitate to get in touch with us today.

dale power solutions staff servicing generator



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