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Valley-fill circuit

A valley-fill circuit is a type of passive power factor correction (PFC) circuit.For purposes of illustration, a basic full-wave diode-bridge… Expand
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2017
2017
In this paper, a novel valley-fill single-stage boost-forward LED driver is presented, where the valley-fill circuit is modified… Expand
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2017
2017
The objective of the work is to improve the power factor of the compact fluorescent lamps (CFLs) by reducing the Total Harmonic… Expand
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2017
2017
This paper presents a novel switching-converter-free ac–dc light-emitting diode (LED) driver with low-frequency-flicker reduction… Expand
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2016
2016
Power factor is an important performance parameter of electric network. This parameter becomes very significant when power… Expand
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2015
2015
This paper suggests a single-phase and single-stage battery charger for a light electric vehicle to improve the lifetime by… Expand
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2014
2014
Although compact fluorescent lamps (CFLs) have been on the market for a long time, many of them do not achieve the same power… Expand
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2014
2014
The utility model embodiment discloses a kind of valley fill type electric current correction Dimmable LED drive circuit, what… Expand
2014
2014
A two-phase driving approach for light-emitting-diode (LED) applications is proposed in this paper. In the approach, two… Expand
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2013
2013
The present invention is a light emitting diode applies to the particular converter that relates to the active valley fill… Expand
2007
2007
  • D. Lu
  • 2007
  • Corpus ID: 55412620
The passive power factor correction approach is attractive for low power applications due to low cost, high e‐ciency, excellent… Expand
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