Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Cost-effective Power System with an Electronic Double Layer Capacitor for Reducing the Standby Power Consumption of Consumer Electronic Devices

  • Park, Kyung-Hwa (Defense Agency for Technology and Quality (DtaQ)) ;
  • Yi, Kang-Hyun (School of Electrical and Electric Engineering, Daegu University)
  • Received : 2012.11.16
  • Published : 2013.05.20
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Abstract

Commercial home appliances using remotely controlled systems consume electric power while in standby mode to prepare for receiving a remote turn-on signal. The proposed power system can significantly reduce standby power consumption without increasing cost. Furthermore, since a Electronic Double Layer Capacitor (EDLC) is used as an auxiliary power storage element, the life cycle is longer and system reliability can be better than with existing approaches. When the energy of the EDLC is not sufficient for turning on the appliance, the power system charges the EDLC without affecting the main system. The proposed power system is verified with a commercial LCD TV and a 3.93mW standby consumption is obtained. This standby consumption can be regarded as zero standby equipment according to the IEC-62031 standard.

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