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특허 상세정보

Dynamic braking in controlled current motor drive systems

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02P-003/12   
미국특허분류(USC) 318/375 ; 318/212
출원번호 US-0635143 (1975-11-25)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 42  인용 특허 : 0
초록

A current source power converter for an electric motor is comprised by a combined controlled rectifier and chopper which is coupled to a controlled-current inverter by a dc reactor. In the motoring mode the combined rectifier and chopper functions as a phase controlled rectifier to control the current magnitude. In the dynamic braking mode a line switch is opened and a braking resistor placed across the rectifier output, and the combined rectifier and chopper is operated as a chopper to control the average voltage across the braking resistor and thus the...

대표
청구항

A motor control circuit for a controlled current motor drive system comprising a current source power converter comprising combined full wave controlled rectifier and chopper means and also controlled current inverter means coupled in cascade with a direct-current reactor therebetween, said combined controlled rectifier and chopper means having a pair of rectifier output terminals directly between which is connected in series a braking resistor and dynamic braking switch, and control means for operating said current source power converter to produce vari...

이 특허를 인용한 특허 피인용횟수: 42

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