DISCHARGING CIRCUIT FOR RECTIFYING POWER SOURCE

PCT No. PCT/JP81/00142 Sec. 371 Date Feb. 22, 1982 Sec. 102(e) Date Feb. 22, 1982 PCT Filed Jun. 20, 1981 PCT Pub. No. WO82/00070 PCT Pub. Date Jan. 7, 1982.A discharging circuit for a power source device with a rectifier circuit used in an power source for driving a motor in which when the alternat...

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Hauptverfasser:	KOBARI, KATSUO, SAKAMOTO, KEIJI, KOZAI, YOSHINORI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION
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Zusammenfassung:	PCT No. PCT/JP81/00142 Sec. 371 Date Feb. 22, 1982 Sec. 102(e) Date Feb. 22, 1982 PCT Filed Jun. 20, 1981 PCT Pub. No. WO82/00070 PCT Pub. Date Jan. 7, 1982.A discharging circuit for a power source device with a rectifier circuit used in an power source for driving a motor in which when the alternating current power source is turned off and the load is electrically separated, the voltage of a time constant selection circuit (22, 23) falls rapidly, the voltage across a diode (25) rises, a Schmitt circuit (24) is activated, the circuit consisted of a transistor (27) and a resistor (26) is conducted, and a smoothing capacitor (28) is discharged, and hence the heat generation at the resistor is decreased and the concern over unsafety due to delayed discharge of the capacitor is eliminated.