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Fault-Ride-Through Tests: Windguard Certification Implements Space-saving FRT Test Facility In Retrofit Project

Varel, Germany - Windguard Certification GmbH, a DIN EN ISO/IEC 17065 accredited certification body for wind turbines and other renewable energies, has recently completed an important reference project in the field of test equipment construction with the support of Langer E-Technik GmbH.

Together, the two companies from Varel carried out the retrofit for an existing test facility to perform Fault-Ride-Through (FRT) tests on power generating units such as wind energy and solar plants, energy storage units and combustion engines.

The test equipment enables low voltage and high voltage ride-through (LVRT and HVRT) tests to prove dynamic grid support according to current guidelines such as FGW TR 3 and IEC 61400-21-1 as well as international standards. For this purpose, fault conditions in the public grid are simulated, and the behaviour of the power generating unit is documented.

"Our customer commissioned us to combine two existing test containers for under and over voltage tests into one container, to implement latest technology and to prepare it for the next generation of power generating units with a connectable output of 30 MVA", says Damian Slowinski, Head of Test Laboratory and Test Equipment Manufacturing. The solution fits into a 40-foot container and significantly reduces the effort and cost of transport and installation at the site.

"This retrofit is an excellent addition to our reference portfolio in the area of test equipment manufacturing. We have thus proven that we can also enhance existing test equipment to create a future-proof solution“, Lars Weigel, Managing Director Windguard Certification sums up.

In recent years, Windguard Certification has built five new test containers for various international requirements, led a construction project and also developed a mobile test facility for use in low voltage for its own test laboratory.

Source: IWR Online, 24 Aug 2022