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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… 
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2017
2017
The objective of the work is to improve the power factor of the compact fluorescent lamps (CFLs) by reducing the Total Harmonic… 
2017
2017
In this paper, a novel valley-fill single-stage boost-forward LED driver is presented, where the valley-fill circuit is modified… 
2017
2017
This paper presents a novel switching-converter-free ac–dc light-emitting diode (LED) driver with low-frequency-flicker reduction… 
2016
2016
Power factor is an important performance parameter of electric network. This parameter becomes very significant when power… 
2016
2016
The principle goal of this research is to reduce Total Harmonics Distortions of this nonlinear load without active or passive… 
2015
2015
This paper suggests a single-phase and single-stage battery charger for a light electric vehicle to improve the lifetime by… 
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… 
2014
2014
The utility model embodiment discloses a kind of valley fill type electric current correction Dimmable LED drive circuit, what… 
2013
2013
The present invention is a light emitting diode applies to the particular converter that relates to the active valley fill… 
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…