Protection Relay Testing

Due to the key role protection systems play within today’s power systems, their reliable operation has to be ensured at all times. Therefore, protective relays as well as recloser controls must be tested throughout their life cycle, from their initial development through production and commissioning to periodical maintenance during operation.

In this field, protection engineers not only face an increasing number of assets that need to be tested, but also a wide variety of device types and applications, from electro-mechanical to digital protection relays within conventional or even fully digital substations. Ultimately, protection engineers not only need to ensure that protection devices are functioning, but that faults are cleared correctly. And all of this needs to occur within a given schedule.

Literature
CM-Line Catalog (5 MB)

Highly flexible solution for protection relay testing

Our modular approach, consisting of powerful hardware and software options, covers the whole range of protection relay testing challenges protection engineers face every day with a single highly flexible solution. It can easily be configured to your specific needs, offering fully automated testing, a future-proof combination of settings- and system-based testing as well as modular expansion options.

CMC test sets
Universal test sets calibrators and commissioning tools
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Operating software options
Automated, settings- and system-based testing options
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Benefits of this solution

Our solution enables you to re-use factory acceptance test plans for commissioning and maintenance and allow tests to be fully automated.
Highly automated
Our solution enables you to re-use factory acceptance test plans for commissioning and maintenance and allow tests to be fully automated.
The Protection Testing Library (PTL) provides test templates for numerous relay models free of charge. They help you save valuable time, since test plans and nominal characteristics do not have to be created from scratch.
Integrated expertise
The Protection Testing Library (PTL) provides test templates for numerous relay models free of charge. They help you save valuable time, since test plans and nominal characteristics do not have to be created from scratch.
Our solution can be seamlessly integrated into IEC 61850 environments and enables you to handle traditional and IEC 61850 IED commissioning.
Seamless IEC 61850 integration
Our solution can be seamlessly integrated into IEC 61850 environments and enables you to handle traditional and IEC 61850 IED commissioning.
Our solution helps you document whether the tests have been conducted correctly during the commissioning phase and assure commissioning quality with standardized test plans.
Convenient documentation
Our solution helps you document whether the tests have been conducted correctly during the commissioning phase and assure commissioning quality with standardized test plans.

Special Applications

With your CMC test sets, operating software packages and our free test templates in the Protection Testing Library, you will be able to conveniently perform tests in special applications. You can find a few of the numerous examples below. Please feel free to contact us at any time, if you have any questions regarding the applications you need to cover.

End-to-End Testing

An end-to-end test has to be executed from all ends of the protected line sections at the same time with test routines on each end in sync with one another. A system-based test with RelaySimTest allows you to control your test from one single end and to adapt it any time, should such a need arise during the execution of the test.

IEC 60255 Type Testing

We offer dedicated type testing packages according to IEC 60255 for distance and differential protection. More than 200.000 predefined testshots can be run in a smart combination of Test Universe and RelaySimTest to evaluate relay performance with maximum efficiency. You benefit from a reporting tool specially designed for standards-compliant and convenient documentation.

Travelling Wave Testing

New protection relay generations use traveling waves to determine fault and trip accordingly. Testing and verifying the correct operation of such devices is challenging and usually not covered during commissioning. With a CMC, a TWX1 and RelaySimTest you can test such protection test devices.

Q-U-Protection

The integration of distributed energy resources into the electrical grid is one of today's challenges within the field of electrical power supply. The German regulations and grid codes can serve as an example of how to integrate small and medium sized generators without jeopardizing the system's stability. The integration of Q-U protection is a perfect solution.

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Protection Applications - Automatic testing

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