发明名称 SEQUENCED PULSE WIDTH MODULATION METHOD AND APPARATUS FOR CONTROLLING AND POWERING A PLURALITY OF DIRECT CURRENT MOTORS
摘要 <p>A control system for individually controlling power from a single voltage source to a plurality of motors is described. A chopper circuit, in conjunction with the control system, generates drive-pulses, which operates the IGBT switching devices to sequentially provide pulses to each motor.</p>
申请公布号 WO2003072388(P1) 申请公布日期 2003.09.04
申请号 CA2003000261 申请日期 2003.02.24
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