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Short circuit detection circuit and short circuit detection method for multi-phase rectifier at frequency domain
专利权人:
Actron Technology Corporation
发明人:
Wu, Chi-Kai,Yu, Chia-Sung,Lu, Chih-Chun
申请号:
EP20140172171
公开号:
EP2955835(B1)
申请日:
2014.06.12
申请国别(地区):
欧洲专利局
年份:
2018
代理人:
摘要:
A short circuit detection circuit (100) and a short circuit detection method for a multi-phase rectifier (10) are provided, which are used for detecting conditions of a spectrum of a FWR signal (Sr1) outputted from the multi-phase rectifier (10) in the frequency domain. Next, determining whether the detected signal (Vdl) indicating the amplitude of the frequency of the AC signal is greater than or equal to the reference signal (Vf1), so as to determine whether the multi-phase rectifier (10) has a short circuit condition. Therefore, the short circuit detection circuit (100) and the short circuit detection method do not have any requirements for configuring a short circuit detection element on each current path of the multi-phase rectifier (10), so that the power loss and the cost can be reduced effectively.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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