high input power factor
PSIM Simulation Of Variable Duty Cycle Control DCM Boost PFC Converter to Achieve High Input Power Factor
... the input and ...the input current is normally a train of triangle pulse with nearly constant duty ...an input filter is necessary for smoothing the pulsating input current into a continuous ...
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PI Controller Based IDBB Power Driver with High PF and Low THD for LED Lamps
... a high power factor, low output current ripple, and good efficiency driver for power LED ...The input stage is based on the integration of buck boost converter which performs ...
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High DC Voltage Gain with Input Power Factor Correction
... a high frequency DC/DC ...distorted input current, resulting in a large amount of harmonics and low power ...the power factor of electrical equipment for many ...real power ...
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A Novel High Step-Up Converter with a VoltageMultiplier Module
... The performance of the converter is similar to an active-clamped flyback converter; thus, the leakage energy is recovered to the output terminal. An interleaved boost converter with a voltage-lift capacitor shown in Fig. ...
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An Efficient AC/DC Converter with Power Factor Correction
... from high voltage spikes and current harmonics. Discontinuous input current that exists on the AC mains due to the non-linearity of the rectification process should be shaped to follow the sinusoidal form ...
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Adaptive feedback control based led driver for low-power lighting applications
... universal input volt- age operation, high efficiency and high power factor can be achieved by a coupled inductor SEPIC PFC converter with an adaptive feedback control ...
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Single Phase Bridgeless Zeta PFC Converter with Reduced Conduction Losses
... bridgeless power factor correction (PFC) rectifier ...a high efficiency over a wide range of input and output voltages, a high power factor, low line current harmonics and ...
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Single Phase AC-DC Converter Employing Power Factor Correction with High Frequency Isolation Using Buck-Boost PWM Converter
... passive power factor correction techniques, an LC filter is inserted between the AC mains line and the input port of the diode rectifier of AC/DC converter as shown in Figure ...the power ...
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SIMULATION OF SEPIC CONVERTER FED LEDs
... for high brightness LEDs is ...technology, high brightness white LED becomes feasible in residential, industry and commercial applications to replace the incandescent bulbs, halogen bulbs, and even compact ...
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Analysis and modeling of buck converter in discontinuous output inductor current mode operation
... LC input filter operating in discontinuous output current mode has a high power factor with a constant duty ...operation, power factor analysis and modeling of the converter are ...
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Analysis and Modeling of Buck Converter in Discontinuous Output Inductor Current Mode Operation
... LC input filter operating in discontinuous output current mode has a high power factor with a constant duty ...operation, power factor analysis and modeling of the converter are ...
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Simulation and Experimental Verification of Single Phase Pwm Boost Rectifier with Controlled Power Factor
... Fig -11: Block diagram of the implemented system This microcontroller provides an A/D converter with multiplexed eight-input channels, which is used for the various A/D operations required by the controller ...
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Volume 3, Issue 4, April 2014 Page 299
... the input power factor is poor [1]. Different power factor correction (PFC) techniques are employed to overcome these type of power quality problems [2] out of which the boost ...
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A High Power Factor Supply Based on IBFC
... The most common single stage topologies used are the boost converter, the buck-boost, or buck-boost derived topologies. Block diagram representation of single stage power factor correction circuit is shown ...
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An analytical study of total harmonics reduct...
... economical power. However, the delay of firing angle causes discontinuation of power flow to appear at both input and output sides and significant harmonics in load ...lagging input ...
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An Improved Non isolated LED Converter with Power Factor Correction and Average Current Mode Control
... improve power factor, it is difficult to meet those requirements and become a good candidate be- cause of the disadvantages of high total harmonic distor- tion (THD) and bulky size ...with ...
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A high power factor rectifier based on buck converter operating in discontinuous inductor current mode
... By adding a suitable LC filter to the input of a Buck converter, a high-power-factor buck converter is proposed. The converter can operate in the discontinuous-output-current mode operation. A ...
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COMPARATIVE STUDY OF DC-DC CONVERTERS FOR RECTIFIER POWER FACTOR CONTROL
... The input stage of AC-DC converter comprises of a full-bridge rectifier followed by a large filter ...The input current of such a rectifier circuit comprises of large discontinuous peak current pulses that ...
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Design and Analysis of a Proposed Timer Controller with Constant Switching Frequency Boost PFC Converter
... of high efficiency and power ...sinusoidal input ac currents leading to low input power factors and injection of harmonics into the utility ...improved power quality utility ...
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High frequency unity power factor resonant converter with adjustable brightness for electronic ballast lamp applications
... of input voltage to DC by DBR at low voltages, the peak value of the capacitor voltage Vc1 will be less than the DC voltage output Vo of the PFC ...the input and the inductor current will be discontinuous ...
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