发明名称 |
Method and apparatus to control input to AC induction motors |
摘要 |
One embodiment of the present invention is a method to control input to an alternating current (AC) induction motor from a power supply that includes steps of: (a) determining a measure of reactive power (VAR) in two input lines to the motor during a time period; and (b) maintaining an SSR (solid state relay) connected in series between the power supply and the motor in a non-conducting state for a subsequent time period, the length of which subsequent time period is determined by analyzing the measure of VAR.
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申请公布号 |
US6954046(B2) |
申请公布日期 |
2005.10.11 |
申请号 |
US20040803361 |
申请日期 |
2004.03.18 |
申请人 |
ENVIRO WORLD SYSTEMS, INC. |
发明人 |
CASHATT JERRY D. |
分类号 |
H02P23/00;(IPC1-7):H02P7/00 |
主分类号 |
H02P23/00 |
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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