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PV power plants should meet technical requirements before connected to grid. Due to the equipment capacity and cost constraints, low voltage ride through (LVRT) of the plants can not be directly tested. In this paper, the methods to assess PV plants performance based on the field test of power generation unit (PGU) are introduced. At first, the way to test LVRT capability of PGU is put forwarded,...
With the development of shanghai power grid, the supply mode of hand-in-hand in 110 kV has been gradually spread. Based on the regional protection and control system with the ideas of “wide-area real-time sampling”, “real-time data exchange”, “real-time identification” and “real time control”, this article introduces the experiences of rapid healing Systems which has been applied the several 110kV...
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