发明授权
- 专利标题: Method for detection of leakage or fault currents from equipment in an electrical power system
- 专利标题(中): 用于检测电力系统中设备的泄漏或故障电流的方法
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申请号: US13702664申请日: 2011-06-07
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公开(公告)号: US09322865B2公开(公告)日: 2016-04-26
- 发明人: Timothy Andrew Wylie , Ian Webster , Peter Stepien
- 申请人: Timothy Andrew Wylie , Ian Webster , Peter Stepien
- 申请人地址: AU Tomago
- 专利权人: AMPCONTROL PTY LTD.
- 当前专利权人: AMPCONTROL PTY LTD.
- 当前专利权人地址: AU Tomago
- 代理机构: Galgano & Associates, PLLC
- 代理商 Thomas M. Galgano; Jessica G. McDonald
- 优先权: AU2010902478 20100607
- 国际申请: PCT/AU2011/000705 WO 20110607
- 国际公布: WO2011/153581 WO 20111215
- 主分类号: G01R31/02
- IPC分类号: G01R31/02 ; H02H3/08 ; G01R19/25 ; H02H3/46 ; H02H3/50
摘要:
A method of digital sampling of a current or group of currents in an electrical system including using in the sampling, sufficient bandwidth to reconstruct the amplitude and phase of a synthesized power frequency and its harmonics and a fundamental carrier frequency of switching electronics and modulation sidebands.
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