发明名称 |
System and Method for Measuring Reactive Power |
摘要 |
A system and method for measuring reactive power which uses a pair of quadrate carriers to add a 90 degree phase shift to a voltage path or a current path in a power meter. The quadrate carriers have the same frequency but are offset in phase from each other by 90 degrees.
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申请公布号 |
US2010085037(A1) |
申请公布日期 |
2010.04.08 |
申请号 |
US20090473166 |
申请日期 |
2009.05.27 |
申请人 |
ANALOG DEVICES, INC. |
发明人 |
NING YUN [YALE];LU XIUHONG [GEORGE] |
分类号 |
G01R21/06 |
主分类号 |
G01R21/06 |
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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