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Apparatus for compensating grounding fault currents and connected to the star point of a transformer
Apparatus for compensating grounding fault currents and connected to the star point of a transformer
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机译:补偿接地故障电流的设备,并连接到变压器的星形接点
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摘要
The apparatus represents a controlled current source (1) that is connected in-between a transformer neutral point (3) and the earth potential. It works not only as a compensator of ground fault currents and higher harmonics of fault currents at the point of the ground fault but is also used for compensating phase non-symmetry during a trouble-free state of the distribution system. The function of a controlled current source (1) may be performed for example by a voltage source inverter, current source inventer or frequency converter.
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