VARIABLE-SPEED PUMPED STORAGE POWER SYSTEM AND VARIABLE-SPEED PUMPED STORAGE POWER METHOD

According to one embodiment, there is provided a variable-speed pumped storage power system (200), which includes a high-voltage side circuit voltage detector (104) configured to detect a voltage of a high-voltage side circuit of the transformer (M); a no-resistor short-circuit device (151) which is...

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Bibliographische Detailangaben
Hauptverfasser:	Ishizuki, Teruyuki, Kageyama, Takashisa, Mori, Junji, Hasegawa, Ryuta
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION
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Beschreibung
Zusammenfassung:	According to one embodiment, there is provided a variable-speed pumped storage power system (200), which includes a high-voltage side circuit voltage detector (104) configured to detect a voltage of a high-voltage side circuit of the transformer (M); a no-resistor short-circuit device (151) which is connected between the rotor winding and the AC exciter (3) and is capable of executing three-phase short-circuiting in the three-phase circuit; and a controller (153) configured to cause the short-circuit device (151) to execute three-phase short-circuiting on a condition that an output voltage of the high-voltage side circuit voltage detector (104) becomes lower than a predetermined value.