[특허]Electrical propulsion process and system for a traction vehicle with an on-board source of power

Electrical propulsion process and system for a traction vehicle with an on-board source of power 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60L-011/02 B61C-009/38 H02P-005/28 H02M-005/45
출원번호	US-0016755 (1979-03-02)
발명자 / 주소	Williamson Dennis F. (Kingston CAX)
출원인 / 주소	General Electric Company (Erie PA 02)
인용정보	피인용 횟수 : 67 인용 특허 : 0

초록 ▼

A self-propelled traction vehicle equipped with an a-c traction motor energized by the a-c output of a controlled current inverter is propelled by a process comprising the steps of providing a traction alternator on-board the vehicle, rotating the rotor of the alternator, exciting the field winding of the alternator, converting the output current of the armature windings of the alternator to a unidirectional current, and feeding the unidirectional current to d-c terminals of the controlled current inverter without appreciably smoothing the unidirectional current. A system for carrying out this process is also disclosed.

대표청구항 ▼

An improved propulsion system for a traction vehicle having an on-board source of power, said vehicle being equipped with at least one adjustable speed a-c traction motor energized by the alternating output current of a variable-frequency controlled current, static electric power inverter, the improvement comprising in combination: a. a traction alternator having armature and field windings and a rotor driven by a prime mover; b. means for exciting the field winding of said alternator; c. means for converting the alternating output current of the armature windings of said alternator to a unidirectional current; d. means connected between said converting means and d-c input terminals of said inverter for feeding said unidirectional current to said inverter, said current feeding means consisting of a d-c link characterized by inductance of insufficient value to appreciably smooth said unidirectional current and by capacitance of insufficient value to appreciably smooth the d-c terminal voltage of said inverter; e. means for controlling the switching frequency of said inverter so as to vary the fundamental frequency of its alternating output current as desired; and f. means for controlling said field winding exciting means so as to vary, as desired, the fundamental amplitude of the alternating output current of said armature windings and consequently the average magnitude of said unidirectional current and hence the amplitude of the inverter output current.

이 특허를 인용한 특허 (67)

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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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Electrical propulsion process and system for a traction vehicle with an on-board source of power 원문보기

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Electrical propulsion process and system for a traction vehicle with an on-board source of power 원문보기

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