专利名称：Capacitor charging method and charging
apparatus
发明人：WATANABE KIYOMI申请号：US89192401申请日：20010626公开号：US6384579B2公开日：20020507
摘要：The charging apparatus charges a load capacitor to a predetermined voltage,and comprises an inverter which is connected to a dc power, a transformer which isconnected to the ac side of the inverter, and an inductance which is connected in series tothe primary and secondary windings of the transformer and comprises leakage
inductance of the transformer, a rectifier which is connected to the secondary side of thetransformer, and a switch element which is provided on the secondary side of thetransformer. The inverter comprises a switching semiconductor element, connected tothe dc power, and a feedback diode, connected in reverse parallel to the switchingsemiconductor element. The switching element short-circuits the output of the
inductance when the charge voltage of the load capacitor has reached a predeterminedvalue, preventing an inertial current, generated by energy which has accumulated in theinductance, from flowing to the load capacitor.
申请人：ORIGIN ELECTRIC COMPANY, LIMITED
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