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특허 상세정보

Motor drive architecture with active snubber

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02P-006/14   
미국특허분류(USC) 318/40025; 318/40001; 318/40024
출원번호 US-0964123 (2007-12-26)
등록번호 US8076882 (2011-11-29)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Norton Rose OR LLP
인용정보 피인용 횟수 : 2  인용 특허 : 84
초록

A method and apparatus is disclosed for controlling a system comprising at least one electric motor. The motor drive circuit includes a reconfigurable active snubber. Under given resonance conditions, the active snubber is configured to use a resistive element to dissipate electrical transients across the commutation circuit.

대표
청구항

What is claimed is: 1. An active electrical protection apparatus for damping electrical transients in a control circuit of an electrical machine having phase windings driven using a commutation circuit and powered through a power supply line, the apparatus comprising:a power dissipating circuit arranged in parallel with said commutation circuit and configured to dissipate power on the power supply line, the power dissipating circuit having a resistive element and a first switch configured to switchably connect said resistive element to the power supply l...

이 특허에 인용된 특허 (84)

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