1995 年 115 巻 11 号 p. 1337-1342
The main transformer's tap changer, which maintains the voltage and reactive power at a constant level on the secondary side of the transformer, must be inspected after a certain number of operations.
This paper outlines a new voltage and reactive power control system that prevents unnecessary tap changing of main transformers by predicting the near-future voltage and reactive power. Control equipment that incorporates this control algorithm has been manufactured for and applied in the Noshiro Thermal Power Plant.
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