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Harmonic Analysis Of Static Var Compensator Operating Under Distorted Voltages
(IEEENew York, 2016)
Two-Sample PLL with Harmonic Filtering Capability Applicable to Single-Phase Grid-Connected Converters
The two-sample phase locked loop (2S PLL) in single-phase digitally controlled grid-connected power converters provide synchronization with a minimal computational burden. However, the distortion of the grid voltage ...
Novos conversores retificadores Sepic ZCS-PWM, operando como abaixadores de tensao, com elevados rendimento e fator de potencia - um estudo comparativo
(2000-05-01)
A comparative evaluation regarding a new zero-current-switching (ZCS) pulse width modulated (PWM) Sepic rectifier, operating in voltage step-down mode, employing two different techniques, in order to obtain high power ...
Frequency Analysis of PWM Inverters With Dead-Time for Arbitrary Modulating Signals
(Institute Of Electrical And Electronics Engineers, 2014-06)
The effect of dead-time on the spectrum of pulsewidth modulated signals is analyzed in this paper. The study is valid for arbitrary, band-limited modulating signals, extending previous results in the literature. A simple ...
Real-Time Digital PWM With Zero Baseband Distortion and Low Switching Frequency
(Ieee-inst Electrical Electronics Engineers Inc, 2013-06)
A discrete-time pulse width modulator (PWM) with zero baseband distortion for arbitrary band-limited modulating signals is developed in this paper. It is based on adjusting the duty-cycles of the PWMsuch that the samples ...
Reduction of total harmonic distortion in power inverters
(Planta Piloto de Ingeniería Química, 2005-12)
The output voltage of PWM power inverters shows harmonic distortion due to several causes; the main ones are the modulation algorithm, nonlinearities in the output filter, dead times, voltage drops across the switches and ...
Experimental analysis and adherence test of the electromagnetic zero-sequence blocking model
(2011-05-31)
This paper reveals new contributions to the analysis and development of mitigating harmonic distortion devices. Considering the variety of sequential distribution of harmonic current, in the use of passive filters, one can ...
Experimental analysis and adherence test of the electromagnetic zero-sequence blocking model
(2011-05-31)
This paper reveals new contributions to the analysis and development of mitigating harmonic distortion devices. Considering the variety of sequential distribution of harmonic current, in the use of passive filters, one can ...
Novel high-power-factor isolated electronic ballast for multiple tubular fluorescent lamps
(2001-01-01)
This paper presents a novel isolated electronic ballast for multiple fluorescent lamps, featuring high power-factor, and high efficiency. Two stages compose this new electronic ballast, namely, a new voltage step-down ...