PGE/REWE 2015

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Fault Ride Through Requirements for Synchronous Generators in Europe: Practical Considerations and Experiences (Room G105, Auditorium Centre, First Floor)

With increasing penetration of low inertia renewable generation fault ride-through capability (FRT) has become a concern for transmission system and distribution network operators worldwide (TSOs and DNOs) which, in some instances, has resulted in particularly onerous compliance requirements. This paper reviews a number of examples of new synchronous generator power projects in different European TSO areas, comparing both technical requirements and acceptance processes. Industry standard simulation validation methods are described and options for on-site validation testing are discussed. The costs, benefits and practical difficulties associated with on-site FRT tests for large synchronous generators in specific TSO areas are examined. Test equipment requirements and network planning requirements to avoid unacceptable power system disturbances during tests are also explained. Consideration is given to the fault location specified in the various FRT requirements as this can have a significant effect. The paper concludes with a summary of the various FRT technical and testing requirements applicable in the ENTSO-E area as an aid to enable prospective synchronous generator power project developers to plan accordingly.