[특허]Dynamic braking in controlled current motor drive systems

Dynamic braking in controlled current motor drive systems 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02P-003/12
출원번호	US-0635143 (1975-11-25)
발명자 / 주소	Steigerwald Robert L. (Scotia NY) Cornell Edward P. (Schenectady NY)
출원인 / 주소	General Electric Company (Schenectady NY 02)
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 current magnitude during braking.

대표청구항 ▼

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 variable amplitude and frequency rectangular wave output current to be supplied to a motor winding, said control means under dynamic braking mode conditions further being operative to close said braking switch and operate said combined controlled rectifier and chopper means as a chopper circuit to generate variable width voltage pulses between said rectifier output terminals and across said braking resistor and thus control the direct current magnitude fed to said controlled current inverter means during dynamic braking.

이 특허를 인용한 특허 (42)

Iwahori, Michio; Gekinozu, Masakazu, AC motor driving circuit and electric car driving circuit.
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Woods Samuel G. ; Spampinato David M. ; White Paul S., Apparatus and method for braking electric motors.
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Gao, Zhiguang; Lu, Cheng; Ying, Jianping, Apparatus for measuring excitation parameters of induction motor and method thereof.
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Petersen Tom K. (Nordborg DKX), Arrangement for controllably driving an A.C. motor.
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Stemmler, Herbert, Converter with fast-acting overvoltage protection.
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Hartman Peter W. (Rochester NY), Digital tach and slip signal motor control.
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Wacknov, Joel; Geis, Everett R., Distributed power system.
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ngquist Lennart (Enkping SEX), Drive equipment.
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Hartwig, Bernd; Vogel, Reinhard, Drive system for a facility having an alternating-current isolated network.
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Rineh, Ghodratollah Esmaeili; Nam, Sang Woo; Pande, Manish; Cheng, Zhongyuan, Dynamic braking for current source converter based drive.
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Jorg Roth-Stielow DE; Josef Schmidt DE, Electric motor and method for operating such a motor.
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Jobard, Thierry; Bonin, Eric, Electric safety braking device with permanent magnet motor and breaking torque control.
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Alexander Hahn DE; Hermann Rappenecker DE, Electronically commutated motor.
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Makinen Heimo (Hyvinkaa FIX) Kahkipuro Matti (Hyvinkaa FIX), Elevator motor control.
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Piserchia Gerard G. ; Ramos Julio C., Emergency stop circuit for a direct current elevator drive.
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Kopiness, Jeremiah; Sladky, Raymond G.; Mohamed sayed ahmed, Ahmed, Integrated regenerative AC drive with solid state precharging.
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Willis, Jeffrey W.; Berner, Paul; Pont, Guillermo; Wacknov, Joel, Integrated turbine power generation system with catalytic reactor.
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Breitzmann, Robert J.; Royak, Semyon; Kasunich, John M., Method and apparatus for overvoltage protection and reverse motor speed control for motor drive power loss events.
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Kersch, Robert, Method and apparatus for preventing machine damage.
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Wiszniewski, Jacek; Pogorzelski, Kamil, Method and device for electrodynamic braking of a universal motor.
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Gilbreth, Mark; Wacknov, Joel; Wall, Simon, Method and system for control of turbogenerator power and temperature.
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Kumar, Ajith Kuttannair, Method and system using traction inverter for locked axle detection.
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Iijima Katsuhiko (Kanagawa JPX) Kinoshita Shigenori (Kanagawa JPX), Method of controlling electric vehicle driven by an internal combustion engine.
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Iijima Katsuhiko,JPX ; Kinoshita Shigenori,JPX, Method of controlling electric vehicle driven by an internal combustion engine.
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Basic, Duro; Rothenhagen, Kai Alexander, Method to protect a power converter arrangement and power converter arrangement with a protective device.
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Holliday, Cornelius Edward; Smith, David, Methods for operating electrical power systems.
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Sparey, Malcolm Eric; Szabo, Adrian; White, Graham William; Coles, Jeffrey Ronald; Williams, Connel Brett; Chen, Yangsheng, Motor drive voltage-boost control.
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Youm,Jang hyoun, Motor power supply control apparatus.
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Mark Gilbreth ; Joel Wacknov ; Simon Wall, Power controller.
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Claude, Khalizadeh; Joel, Wacknov, Power generation system having transient ride-through/load-leveling capabilities.
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Liu, Jingbo; Nondahl, Thomas, Power stage precharging and dynamic braking apparatus for multilevel inverter.
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Patel, Yogesh P.; Tallam, Rangarajan; Brown, Brian P.; Hu, Jiangang; Campbell, James J., Precharging apparatus and power converter.
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Morris Gary C. (Milwaukee WI), Protective circuits for converter-supplied D.C. motor.
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Sako, Akira; Tsutsumishita, Yoji, Regenerative circuit for motor drive system having leakage current compensation.
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Nelson,Michael John; Herman,Nathaniel D.; Arguello, Jr.,Edward Joseph, Resistive braking module with thermal protection.
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Guilloux, Bernard, Static traction/braking switch-over circuit for a variable speed system including an asynchronous motor powered by current switching.
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Daigle, Jeffrey Louis; McGarry, Jeremy, System and method for traction motor control.
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Streicher,John T.; Perreault,Steven J.; Rivard,Jeffrey P.; Siegler,David W., Thermal regulation of AC drive.
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Gilbreth, Mark; Wacknov, Joel; Wall, Simon; Edelman, Ed, Transient turbine exhaust temperature control for a turbogenerator.
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Wall, Simon; Dickey, Brian; Pont, Guillermo, Turbogenerator with electrical brake.
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Ratadiya, Sarit; Verma, Rajeev, Vehicle brake control system.
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Pummer, Alexander, Voltage control and power factor correction in AC induction motors.
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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

내보내기 구분	파일저장 인쇄 메일전송
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메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Dynamic braking in controlled current motor drive systems 원문보기

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Dynamic braking in controlled current motor drive systems 원문보기

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이 특허를 인용한 특허 (42)

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