发明名称 |
Electricity meter and method for measuring apparent power |
摘要 |
An electricity meter and method for measuring VA power consumption. The electricity meter comprises a transducer circuit receiving line current and line voltage and producing a first signal corresponding to active power on the line, and a level shifting circuit responsive to the first signal for producing a second signal corresponding to apparent power.
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申请公布号 |
US5537028(A) |
申请公布日期 |
1996.07.16 |
申请号 |
US19940228630 |
申请日期 |
1994.04.18 |
申请人 |
SCHLUMBERGER INDUSTRIES, INC. |
发明人 |
GOODWIN, R. WENDELL |
分类号 |
G01R21/00;G01R21/08;(IPC1-7):G01R7/00 |
主分类号 |
G01R21/00 |
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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