发明申请
- 专利标题: Electronic Method for Starting a Compressor
- 专利标题(中): 启动压缩机的电子方法
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申请号: US12158440申请日: 2006-01-20
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公开(公告)号: US20090001921A1公开(公告)日: 2009-01-01
- 发明人: Eugene L. Mills, JR. , Rajendra K. Shah , Lynn A. Turner
- 申请人: Eugene L. Mills, JR. , Rajendra K. Shah , Lynn A. Turner
- 申请人地址: US CT Farmington
- 专利权人: Carrier Corporation
- 当前专利权人: Carrier Corporation
- 当前专利权人地址: US CT Farmington
- 国际申请: PCT/US06/02446 WO 20060120
- 主分类号: H02P25/04
- IPC分类号: H02P25/04
摘要:
A motor starting apparatus (10) includes a motor starting relay (112) to switch a motor starting capacitor (110) into a motor circuit across a run capacitor (111). The system control (116) includes an electronic voltage measurement circuit to measure a winding voltage (113, 114) of the motor winding (102, 103). The system control (116) also includes a microprocessor to run an algorithm that causes the system control to switch the starting capacitor (110) out of the motor circuit when a measured winding voltage (113, 114) exceeds a winding voltage threshold. A method to start a motor includes the steps of determining a motor winding voltage (113, 114) threshold; closing the motor starting capacitor relay (112) when needed; closing a contactor (108, 109) to supply power to the motor starting apparatus and the motor circuit; measuring a winding voltage (113, 114); comparing the measured winding voltage (113, 114) to the voltage threshold; and opening the starting capacitor relay (112) when measured winding voltage (113, 114) exceeds the voltage threshold indicating that the motor has been started.
公开/授权文献
- US07679307B2 Electronic method for starting a compressor 公开/授权日:2010-03-16
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