[특허]Integrated motor drive and recharge system

Integrated motor drive and recharge system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02P-005/40 H02P-001/30
출원번호	US-0635908 (1990-12-31)
발명자 / 주소	Rippel Wally E. (Altadena CA) Cocconi Alan G. (Glendora CA)
출원인 / 주소	General Motors Inc. (Detroit MI 02)
인용정보	피인용 횟수 : 62 인용 특허 : 0

초록 ▼

A drive and recharge system is disclosed that includes a bidirectional dc power source, two voltage-fed inverters, two induction motors, and a control unit. In the drive mode, power is bidirectionally connected between the dc power source and the motors. In the recharge mode, single-phase power applied to the neutral ports of the two motors is converted with unity power factor to return energy to the dc power source. An alternate scheme is also presented which uses a single motor having two sets of windings.

대표청구항 ▼

An electric motor drive and power processing system comprising: a first polyphase motor having windings in a wye configuration and a rotor with an output shaft, with a first neutral node in common with all the first motor windings; a second polyphase motor having windings in a wye configuration and a rotor with an output shaft, with a second neutral node in common with all the second motor windings; bidirectional dc power source means for providing and receiving electrical power to and from the first and second motors; a first bidirectional, polyphase, voltage-fed, pulse-width-modulated inverter, having a phase multiplicity equal to that of the first motor, connected between the bidirectional dc power source means and the windings of the first motor; a second bidirectional, polyphase, voltage-fed, pulse-width-modulated inverter, having a phase multiplicity equal to that of the second motor, connected between the bidirectional dc power source means and the windings of the second motor; an input/output terminal connected to the first and second neutral nodes of the motors; and control means, coupled to the first and second inverters, for operation in a drive mode and a recharge mode, for controlling the first and second inverters during the drive mode such that electrical power provided to the motors from the bidirectional dc power source means is converted to mechanical power produced at the first and second motor output shafts, and mechanical power from rotation of the first and second motor output shafts is converted to dc electrical power provided to the bidirectional dc power source means, and for controlling the first and second inverters during the recharge mode such that single-phase ac electrical power received at the input/output terminal is converted to dc power that is provided to the bidirectional dc power source means at a unity power factor conversion.

이 특허를 인용한 특허 (62)

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Clark, Warren W.; Bell, Oliver A., Drive system for electrically operated vehicle.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Integrated motor drive and recharge system 원문보기

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이 특허를 인용한 특허 (62)

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