PGE/REWE 2015

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Considerations for Fault Ride Through Simulation and Testing (Room G105, Auditorium Centre, First Floor)

With Grid code compliancy, one of the most complex items is Fault Ride Through (FRT), the ability of a generating unit to stay connected to the grid during a voltage dip caused by a short-circuit. Fault Ride Through capability of generating units are now almost universally required for connection to transmission systems, and in some areas also to distribution systems. Many transmission system operators have or are developing detailed requirements for those generator units that the FRT capability concerns. The verification of the FRT capability can be made in many different ways. Whereas some of the transmission system operators opt for simulation using validated computer models some TSO´s prefer real short circuit tests. This paper will discuss some of the key points with respect to different simulation environments and model structures and how the results of those compare to test results from a real FRT test. This paper is the final installment on a three paper series about FRT that was started in PowerGen Europe 2009.