Three-phase dual-output six-switch inverter

Heydari, Mojtaba; Yazdian, Ali; Mohamadian, Mustafa; Fatemi, Alireza

doi:10.1049/iet-pel.2011.0314

Cited by 20 publications

(13 citation statements)

References 12 publications

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“…The compensating current is injected into the AC distribution network at the PCC by coupling AC inductors or transformers [120]. The 3P3W AC-AC APF-VSI configuration consists of six and nine semiconductor devices, compared with the twelve switches in the conventional circuit [121][122][123]. The H-type APF topology, together with the DC-link capacitor, successfully reduces heavy switching power loss and minimizes voltage stress on active switches.…”

Section: Advanced Classification Of Apf/statcommentioning

confidence: 99%

Mitigation of Power Quality Issues Due to High Penetration of Renewable Energy Sources in Electric Grid Systems Using Three-Phase APF/STATCOM Technologies: A Review

et al. 2018

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Abstract:This study summarizes an analytical review on the comparison of three-phase static compensator (STATCOM) and active power filter (APF) inverter topologies and their control schemes using industrial standards and advanced high-power configurations. Transformerless and reduced switch count topologies are the leading technologies in power electronics that aim to reduce system cost and offer the additional benefits of small volumetric size, lightweight and compact structure, and high reliability. A detailed comparison of the topologies, control strategies and implementation structures of grid-connected high-power converters is presented. However, reducing the number of power semiconductor devices, sensors, and control circuits requires complex control strategies. This study focuses on different topological devices, namely, passive filters, shunt and hybrid filters, and STATCOMs, which are typically used for power quality improvement. Additionally, appropriate control schemes, such as sinusoidal pulse width modulation (SPWM) and space vector PWM techniques, are selected. According to recent developments in shunt APF/STATCOM inverters, simulation and experimental results prove the effectiveness of APF/STATCOM systems for harmonic mitigation based on the defined limit in IEEE-519.

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Section: Advanced Classification Of Apf/statcommentioning

confidence: 99%

Mitigation of Power Quality Issues Due to High Penetration of Renewable Energy Sources in Electric Grid Systems Using Three-Phase APF/STATCOM Technologies: A Review

et al. 2018

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“…An increasingly accepted alternative to full-switch count VSCs is to use reduced-switch count VSC topolo-gies [1][2][3][4][5][6][7][8][9][10][11][12][13][14]. The 5−leg inverter [1,2]; 4-leg inverter [3,4]; 6-and 3-switch converters [5]; 4-switch inverter [6]; 9-switch inverter [10][11][12][13][14]; and multilevel converters [8,9] are but a few examples.…”

Section: Introductionmentioning

confidence: 99%

“…Most of the reduced-switch count topologies can be categorized into three main types; in the first category, reduction in switch count is achieved by replacing a switched-leg with a split-capacitor-leg and sharing this split-capacitor-leg between two outputs (or phases) [5,6]. The drawback of this topology is the appearance of unbalance capacitor voltages and the associated uneven stress on the devices.…”

Section: Introductionmentioning

confidence: 99%

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Generalized Carrier-Based PWM Method for a 12-Switch Converter

Aganah

Ojo

2016

Open Engineering

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This paper proposes a generalized carrier-based pulse-width modulation (CBPWM) method for a 12-switch converter feeding three independent loads. The converter topology is part of the (3N + 3)-switch converter family where N is the number of outputs (N = 3 for this special case). Its more famous sibling is the 9-switch converter which is gaining considerable interest from researchers because of its reduced-switch count architecture. The structure and limitations of the converter are elaborated; its modulation method applicable to both equal and different frequency (and/or amplitude) operations is formulated. The generalized neutral voltages for the converter is derived for the first time and used as the offset voltages required by this type of topology to decouple its three outputs. The proposed algorithm is validated by both theoretical simulations and experimental results.

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“…Moreover, the innovative inverters are characterised International Journal of Electronics 3 by superior step-up inversion capacity, minimal voltage stress on the capacitors and inferior input current ripple. A dual output six-switch inverter topology has been brought to light by Heydari, Varjani, Mohamadian, and Fatemi (2012) for individually supplying two three-phase loads. The innovative inverter employed reduced number of semiconductor devices in relation to the traditional twofold output inverters proposed.…”

Section: Introductionmentioning

confidence: 99%

An enhanced Z-source inverter topology-based permanent magnet brushless DC motor drive speed control

Peter¹,

Rajaram

2014

International Journal of Electronics

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In this paper, an enhanced Z-source inverter (ZSI) is introduced for controlling the speed of permanent magnet brushless DC motor (PMBLDCM) drive. It is the extension of the conventional ZSI and the elements used in the circuit are the same as those of the conventional ZSI, except that the position of Inverter Bridge and diode would be exchanged from the classical circuit diagram. This exchanged circuit avoids the startup path of the inrush current and hence reduces the inrush current and improves the motor efficiency. Different modes of enhanced ZSI are studied with PMBLDCM. The voltage polarity of Z-source capacitors in the proposed circuit is the same as that of the input voltage polarity. Furthermore, to get the same voltage boost, the capacitor voltage stress is reduced to a significant extent. The speed control capability of the proposed brushless DC motor drive is compared with that of the conventional ZSI. The proposed ZSI is implemented in MATLAB/Simulink working platform and the output performance is evaluated. Also, the performance of voltage ratio is analysed both by simulation and mathematical models. All these analyses are known to express the innovative features of the proposed system.

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Three-phase dual-output six-switch inverter

Cited by 20 publications

References 12 publications

Mitigation of Power Quality Issues Due to High Penetration of Renewable Energy Sources in Electric Grid Systems Using Three-Phase APF/STATCOM Technologies: A Review

Mitigation of Power Quality Issues Due to High Penetration of Renewable Energy Sources in Electric Grid Systems Using Three-Phase APF/STATCOM Technologies: A Review

Generalized Carrier-Based PWM Method for a 12-Switch Converter

An enhanced Z-source inverter topology-based permanent magnet brushless DC motor drive speed control

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