发明名称 HIGH FREQUENCY INVERTER, DISCHARGE LAMP LIGHTING DEVICE, AND ILLUMINATING SYSTEM
摘要 PROBLEM TO BE SOLVED: To provide a high frequency inverter which is able to share an inductance for restraining high frequency noise and an impedance element for reducing the charging current of a smoothing capacitor for restraining the harmonics, thereby simplifying its circuit formation. SOLUTION: This device is provided with a capacitor C1 for noise prevention parallel-connected to an AC power source 1, a rectifying means 4 parallel- connected to the capacitor and rectifying alternating current inputted, a capacitor C2 for smoothing, an inductive impedance element L1 which is inserted between the capacitor C2 for smoothing and the capacitor C1 for noise prevention, and is formed so as to be capable of restraining the charging rush current of the capacitor for smoothing by retraining outflow of a high-frequency component to commercial AC power supply side, in cooperation with the capacitor for noise prevention, a high-frequency generating circuit which converts alternating current into high-frequency alternating current, and a load circuit LC operating at high frequencies.
申请公布号 JPH11285267(A) 申请公布日期 1999.10.15
申请号 JP19980084638 申请日期 1998.03.30
申请人 TOSHIBA LIGHTING & TECHNOLOGY CORP 发明人 SHIRATA NOBUYA;OSAKI HAJIME
分类号 H02M5/45;H02M7/538;H05B41/24 主分类号 H02M5/45
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