Standby power reduction device

Standby power reduction device

A standby power reduction device is provided, including a capacitor connected in parallel to a main switch controlling a switching mode power supply, without the necessity of providing a starting circuit, thereby reducing the cost and enabling miniaturization of product. The standby power reduction...

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Hauptverfasser: CHOI, SOON JOO, SON, JIN HYOUNG
Format: Patent
Sprache:chi ; eng
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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
GENERATION
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creator CHOI, SOON JOO
SON, JIN HYOUNG
description A standby power reduction device is provided, including a capacitor connected in parallel to a main switch controlling a switching mode power supply, without the necessity of providing a starting circuit, thereby reducing the cost and enabling miniaturization of product. The standby power reduction device includes a switching mode power supply (SMPS), a voltage-dividing circuit, a control circuit, a charging circuit, an EDLC, a voltage detector, a control switch, a main switch, a photo-coupler, and a first capacitor, wherein the first capacitor operates the SMPS using a current flowing in the first capacitor when an electronic device is connected to the AC power for the first time.
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subjects 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
GENERATION
title Standby power reduction device
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