[특허]Multi-phase electric circuit

[미국특허] Multi-phase electric circuit 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02P-006/00 H02K-013/10 H02P-009/00
출원번호	US-0267311 (2014-05-01)
등록번호	US-9543812 (2017-01-10)
우선권정보	DE-10 2013 208 067 (2013-05-02)
발명자 / 주소	Rothenhagen, Kai Alexander
출원인 / 주소	GE ENERGY POWER CONVERSION TECHNOLOGY LIMITED
대리인 / 주소	GE Global Patent Operation
인용정보	피인용 횟수 : 0 인용 특허 : 33

초록

A multi-phase electric circuit including an electric machine and an inverter, wherein machine encompasses a rotor connected to the inverter via at least two brushes for each phase, wherein each of the brushes of each phase is connected to the inverter via a separate brush line.

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1. A multi-phase electric circuit, comprising: an electric machine comprising a stator and a rotor, the stator being configured to connect to an electric energy supply grid;an inverter configured to connect to the electric energy supply grid;the rotor being connected to the inverter via at least two brushes for each phase, and each of the at least two brushes of each phase is connected to the inverter via a separate brush line;a multi-phase short-circuiting device connected to the brush lines coupling the rotor to the inverter; andeach of the brush lines being connected to the multi-phase short-circuiting device via a short-circuiting impedance, the impedance being a resistor and an inductor connected in series within the brush line, and wherein the multi-phase short-circuiting device is embodied to short-circuit the phases connected to the multi-phase short-circuiting device. 2. The circuit according to claim 1, wherein each of the brushes has a brush impedance and each of the brush lines has a line impedance, the line impedance for each brush line being greater than brush impedance of the connected brush. 3. The circuit according to claim 2, wherein the line impedance of each of the brush lines for each phase is configured to reduce an asymmetry of the brush impedances of the brushes of the phase. 4. The circuit according to claim 3, wherein the brush impedance has a negative temperature coefficient. 5. The circuit according to claim 3, wherein a separate brush line is assigned to each brush. 6. The circuit according to claim 1, further comprising a plurality of inverters, wherein the number of the plurality of inverters corresponds to the number of the at least two brushes for each phase, and the at least two brushes of each phase are connected to another one of the plurality of inverters. 7. The circuit according to claim 6, wherein a separate current regulator is assigned to each of the plurality of inverters. 8. The circuit according to claim 1, wherein the multi-phase short-circuiting device is configured from power semiconductor devices connected anti-parallel and arranged in a star or delta connection. 9. The circuit according to claim 8, wherein a separate pair of anti-parallel power semiconductor devices is assigned to each of the at least two brush lines. 10. The circuit according to claim 1, wherein the inverter is connected to an electric energy supply grid, wherein a stator of a double-fed asynchronous machine is connected to the electric energy supply grid.

이 특허에 인용된 특허 (33) 인용/피인용 타임라인 분석

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Gilliland Malcolm T. (310 Pine Valley Rd. Marietta GA 30067), Method and apparatus for preventing chain reaction transistor failure in paralleled transistors.
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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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[미국특허] Multi-phase electric circuit 원문보기

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