Abstract — Determination of current ripple in three-phase PWM voltage source inverters (VSI) is important for both de-sign and control purposes, since this is the most popular conver-sion topology for energy conversion systems.
In this study, the peak-to-peak current ripple distribution over a fundamental period is analysed in details specifically for three-level three-phase voltage source inverters for both motor-load and grid-connected applications.
The analysis of the input current and voltage have been investigated through the RMS ripple value in . It has been shown that the waveform of the reference signal does not affect inverter input current ripple and that the voltage ripple RMS depends on the load power factor angle.
KO6î (14) As a low switching frequency electrolytic capacitor based inverter has the same RMS of DC-link current ripple as a high switching frequency film capacitor based inverter, the power loss of DC-link is only dependent upon the capacitor ESR according to (12).
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The three-phase four-wire drive system (4wEL) has been proved to be available of realizing fault-tolerant operation. However, this type of electric drive system (EDS) still has …
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The three-phase voltage source inverter (VSI) is de facto standard in power conversion systems. To realize high power density systems, one of the items to be correctly addressed is the …
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This chapter provides survey on optimal three-phase inverter techniques, carrier-based CB-PWM and space vector PWM. Chapter proceeds with the definition of the output …
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Three-phase inverter reference design for 200–480 VAC drives with opto-emulated input gate drivers Description This reference design realizes a reinforced isolated three-phase …
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1. Introduction In the two-stage single-phase inverter, the second harmonic current with twice output voltage frequency exists in the former DC converter because the …
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The three-phase voltage source inverter (VSI) is de facto standard in power conversion systems. To realize high power density systems, one of the items to be correctly addressed is the …
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Abstract: This paper provides a comprehensive analysis of the capacitors voltage switching ripple for three-phase three-level neutral point clamped (NPC) inverter topologies. …
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Abstract In the applications of three-phase two-level voltage source inverters (VSIs) relatively large energy storage capacitors are used to absorb the high DC-link current ripples mainly …
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Nowadays, three-phase multilevel inverters are widely employed in medium and high-power applications, increasing the power ratings, improving the output voltage quality and …
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Accordingly, this article proposes a novel co-operative current ripple reduction strategy based on zero vector redistribution for the typical two-level three-phase inverters. In …
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Single-phase inverters are widely employed in renewable energy applications. However, their inherent 2ω-ripple power can substantially affect system performance, leading to fluctuations …
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Abstract—This paper provides analytical equations to model the influence of dead-time and diode’s reverse re-covery on the input current ripple of a three-phase voltage source inverter. …
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Abstract — Determination of current ripple in three-phase PWM voltage source inverters (VSI) is important for both de-sign and control purposes, since this is the most …
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In this article, a soft-switching three-phase inverter based on an integrated magnetic coupled active filter (MCAF) is presented, which offers soft switching operation for …
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Abstract: This paper provides a comprehensive analysis of the capacitors voltage switching ripple for three-phase three-level neutral point clamped (NPC) inverter topologies. …
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