Optimizing operational performance of generator circuit-breakers

  • P. Gugale and Mirko Palazzo, Hitachi ABB Power Grids Ltd, Switzerland P. Khali, Hitachi ABB Power Grids Ltd, USA
  • Vol. 27 - Issue 6, 2020

Pumped-storage schemes will make a significant contribution to help maintain grid stability as renewable penetration in grid networks increases. In normal operation, generator circuit-breakers are used to switch between the generating and pumping mode. This paper presents an innovative method of monitoring contact erosion online, without taking generator circuit-breakers out-of-service. The technical and economic benefits of the solution are described.

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Optimizing operational performance of generator circuit-breakers
  • Vol. 27 - Issue 6, 2020

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