A simulation based case study for control of DSTATCOM

Kumar, Pradeep; Kumar, Niranjan; Akella, Ashok Kumar

doi:10.1016/j.isatra.2013.11.008

Cited by 35 publications

(17 citation statements)

References 25 publications

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“…Various parameters of the DSTATCOM such as dc link voltage, dc capacitor, ac inductors, dc inductor, coupling transformer, and controller gains are calculated as follows [19]:…”

Section: Design Methodology Of the Dstatcommentioning

confidence: 99%

Comparative analysis of voltage and current source inverter based DSTATCOM systems

Kumar¹,

Kumar²,

Akella³

2016

Turk J Elec Eng & Comp Sci

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This paper presents a comparative performance evaluation of voltage source inverter (VSI) as well as current source inverter (CSI) based DSTATCOM systems in terms of power quality improvement in a three-phase four-wire distribution network. Due to increasing use of high-performance semiconductor based power electronic switches, the CSI based DSTATCOM is developed as a suitable option in high power applications. However, the VSI based DSTATCOM system is the best suited for medium power applications. The VSI based DSTATCOM offers advantages over the CSI based DSTATCOM in terms of current harmonic compensation, power factor correction, lower losses (both conduction and power losses), and simplicity in both power and control circuits. The control strategies of both the DSTATCOM systems are based on conventional PI and synchronous reference frame (SRF) theory. The performance of the VSI and CSI based DSTATCOM systems is tested under unbalanced and nonlinear load conditions. Analytical expectations of complete DSTATCOM systems are verified using simulations in the MATLAB/Simulink environment.

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“…Various parameters of the DSTATCOM such as dc link voltage, dc capacitor, ac inductors, dc inductor, coupling transformer, and controller gains are calculated as follows [19]:…”

Section: Design Methodology Of the Dstatcommentioning

confidence: 99%

Comparative analysis of voltage and current source inverter based DSTATCOM systems

Kumar¹,

Kumar²,

Akella³

2016

Turk J Elec Eng & Comp Sci

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“…The fundamental difference between these two topologies is the number of power semiconductor devices and the connection of the neutral wire. Figure 13 a-c shows the three-phase four-wire (3p4w) D-STATCOM, DVR and UPQC system configuration based on three H-bridge (3HB) topologies in three-phase four wire distribution system and are reported in [65], [184][185][186][187][188][189][190][191][192][193]. Three H-bridge (3HB) topology consists of three single-phase (1-ϕ) H-bridge (full bridge) voltage source inverter (VSI) tied with a common self supporting DC bus [194].…”

Section: Three-phase Four-wire (3p4w) Compensating Devicesmentioning

confidence: 99%

“…The synchronous reference frame (SRF) theory is developed in time-domain based reference current/voltage generation technique. The SRFT is performing the operation in steady-state or transient state as well as for generic voltage and current and capable of controlling the active power filters in real time system [15] , [18], [20], [21], [27], [28], [51], [54], [57], [58], [76], [77], [82], [104], [106], [111], [115], [120], [121], [125], [127], [128], [130], [131], [133], [134], [137], [141], [142], [150], [153], [155], [160], [167], [177], [178], [179], [180], [182], [187], [189], [190], [195], [204], [203], [207],…”

Section: Synchronous Reference Frame (Srf) Theorymentioning

confidence: 99%

Mitigation of Power Quality Problems Using Custom Power Devices: A Review

Prasad

Akella

2017

IJEEI

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Electrical power quality (EPQ) in distribution systems is a critical issue for commercial, industrial and residential applications. The new concept of advanced power electronic based Custom Power Devices (CPDs) mainly distributed static synchronous compensator (D-STATCOM), dynamic voltage restorer (DVR) and unified power quality conditioner (UPQC) have been developed due to lacking the performance of traditional compensating devices to minimize power quality disturbances. This paper presents a comprehensive review on D-STATCOM, DVR and UPQC to solve the electrical power quality problems of the distribution networks. This is intended to present a broad overview of the various possible DSTATCOM, DVR and UPQC configurations for single-phase (two wire) and three-phase (three-wire and four-wire) networks and control strategies for the compensation of various power quality disturbances. Apart from this, comprehensive explanation, comparison, and discussion on D-STATCOM, DVR, and UPQC are presented. This paper is aimed to explore a broad prospective on the status of D-STATCOMs, DVRs, and UPQCs to researchers, engineers and the community dealing with the power quality enhancement. A classified list of some latest research publications on the topic is also appended for a quick reference.

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“…Generation of reference signals for the PWM generator of VSI based DSTATCOM is achieved by Indirect PI [18] and synchronous reference frame control techniques [8,19]. The detail explanation of these control techniques have been given below:…”

Section: Generation Of Reference Signalsmentioning

confidence: 99%

Comparative Power Quality analysis of Conventional and Modified DSTATCOM Topology

Kumar¹,

Sikkim²

2017

ijeei

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In this paper, the two topologies of Distribution Static Compensator (DSTATCOM) such as conventional DSTATCOM and modified DSTATCOM with their performances are investigated in terms of power quality improvement. Normally the DSTATCOM has shunt voltage source inverter (VSI) connected to point of common coupling (PCC) through the interfacing inductor. It is possible to modify DSTATCOM by connecting a capacitor in series with the interface inductor at the point of common coupling. This Modified topology requires a lower value of dc link voltage across the dc storage capacitor of voltage source inverter (VSI) for compensation of source currents, when compared with the conventional DSTATCOM topology. The reference signal for PWM generator is generated using synchronous reference frame theory and Indirect PI theory. A detailed simulation study to compare the performances of conventional and modified topologies are carried out using MATLAB 7.1 and the superior features of modified DSTATCOM topology are established.

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A simulation based case study for control of DSTATCOM

Cited by 35 publications

References 25 publications

Comparative analysis of voltage and current source inverter based DSTATCOM systems

Comparative analysis of voltage and current source inverter based DSTATCOM systems

Mitigation of Power Quality Problems Using Custom Power Devices: A Review

Comparative Power Quality analysis of Conventional and Modified DSTATCOM Topology

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