지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
A new load-commutated current source inverter(LCCSI)-fed induction machine drive is presented,using three phase capacitors connected to the motor,To drive a large induction motor, which is usually high voltage machine,the step-up transformer is used because of the limitation of switching element's voltage rating. In this system, the performance of machine control is effected by the ouput transformer and output capacitors. A speed sensorless direct-vector control scheme, with either torque and flux loops or capacitive currnet compensation has been tested In simulation. V/f control for starting is also done to prevent flux's saturation of output transformer and overcome the effect of low signal level at low frequency.
목차
Abstract
Introduction
DESCRIPTION OF THE PROPOSED SYSTEM
OPERATION OF THE PROPOSED COMMUTATION CIRCUIT
PWM OPERATION OF A SPECIFIC HARMONIC CANCELLATION
SPEED SENSORLESS VECTOR CONTROL
SIMULATION RESULTS
CONCLUSIONS
REFERENCE
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UCI(KEPA) : I410-ECN-0101-2009-560-014233169