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특허 상세정보

Four quadrant motor controller minimizing distortion index

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02P-005/40   
미국특허분류(USC) 318/800 ; 318/803 ; 318/806 ; 318/722
출원번호 US-0384628 (1995-02-06)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 79  인용 특허 : 30
초록

A motor control apparatus and method is disclosed for controlling a multiphase AC motor by controlling electrical quantities such as voltage or current applied to the stator of the motor. The apparatus includes a motor command unit for defining a reference signal indicative of a desired motor parameter such as torque, speed, or position, a DC voltage link, a controller, a line-side converter including active switches in a bridge configuration for controlling the bidirectional flow of electrical power between the DC voltage link and a source of AC power, ...

대표
청구항

A method for controlling stator currents in a multiphase AC motor rotating at variable speeds to obtain torque, speed, or position control of the motor, wherein the stator currents are switched by an self-commutated active rectifier that establishes a rotating flux field in the rotor of the motor, the method comprising the steps of: defining a reference signal indicative of a desired motor torque, speed, or position; determining a desired direct axis current representing rotor flux in a direction aligned with the rotor flux field in a rotating field coor...

이 특허에 인용된 특허 (30)

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