| 发明名称 |
Closed loop power factor control for power supply systems |
| 摘要 |
A power factor controller for alternating current/direct current drilling rigs is provided which utilizes a uniquely controlled, unloaded, over-excited generator to provide reactive power to maintain the rig's power factor within prescribed limits during peak demand operations.
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| 申请公布号 |
US4590416(A) |
申请公布日期 |
1986.05.20 |
| 申请号 |
US19840670163 |
申请日期 |
1984.11.09 |
| 申请人 |
RIG EFFICIENCY, INC. |
发明人 |
PORCHE, MICHAEL N.;BEAUREGARD, LOUIS G. |
| 分类号 |
F02B3/06;H02J3/18;H03L7/07;(IPC1-7):G05F1/70 |
主分类号 |
F02B3/06 |
| 代理机构 |
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代理人 |
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| 地址 |
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