发明名称 |
METHOD AND APPARATUS FOR MEASUREMENT OF AC VOLTAGES IN AN HVAC SYSTEM |
摘要 |
A control system to measure a sinusoidal AC voltage in a heating, ventilation includes a controller and a circuit connected to the controller. The circuit generates a pulse voltage based upon the AC voltage. The pulse voltage has a pulse duration. The controller measures a measured pulse duration based on the pulse duration and determines the AC voltage based upon the measured pulse duration.
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申请公布号 |
CA2572670(A1) |
申请公布日期 |
2007.07.20 |
申请号 |
CA20062572670 |
申请日期 |
2006.12.29 |
申请人 |
CARRIER CORPORATION |
发明人 |
VAN OSTRAND, WILLIAM F.;SHAH, RAJENDRA K. |
分类号 |
G01R19/00;F24F11/00;F25B49/02;G01R35/00 |
主分类号 |
G01R19/00 |
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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