发明名称 |
Variable speed pumping-up generator |
摘要 |
A variable speed pumping up generator includes a first speed control unit for outputting a rotating speed command signal for controlling a pump turbine in accordance with a power output command and outputting an excitation control signal to an AC excitation unit of the generator, and a second speed control unit for controlling, in a generation mode, an amount of AC excitation from an AC excitation unit when a rotating speed of a rotary shaft departs from a lower limit setting or an upper limit setting. The setting is set in accordance with the rotating speed generated during a normal operation.
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申请公布号 |
US5561358(A) |
申请公布日期 |
1996.10.01 |
申请号 |
US19940360029 |
申请日期 |
1994.12.20 |
申请人 |
HITACHI, LTD.;THE KANSAI ELECTRIC POWER CO., INC. |
发明人 |
KUWABARA, TAKAO;HARADA, MASATAKA;OONO, YASUTERU;NAKAGAWA, HIROTO |
分类号 |
F03B15/04;H02P9/00;H02P9/04;H02P9/42;H02P23/00;(IPC1-7):H02K7/18 |
主分类号 |
F03B15/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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