A novel technique for mitigation of voltage sag/swell by Dynamic Voltage Restorer (DVR)

Kantaria, Rakesh; Joshi, S. K.; Siddhapura, Kuman

doi:10.1109/eit.2010.5612089

Cited by 9 publications

(8 citation statements)

References 5 publications

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“…Figure 11(a-c) depicts the most popularly use D-STATCOM, DVR and UPQC system configuration which consists of half-bridge inverters [85], [98], [100], [103] in single-phase twowire (1p2w) system to compensate the power quality (PQ) problems by injecting current in case of D-STATCOM, voltage in case of DVR and both in the case of UPQC of the electrical power distribution system. Figure 12 (a-c) and are widely reported in literature [56][57][58][59][60], [70], [104][105][106][107][108][109][110][111][112][113][114][115][116][117][118], [119][120][121][122][123][124][125][126][127][128][129][130], .…”

Section: Single-phase Two Wire (1p2w) Compensating Devicesmentioning

confidence: 93%

“…Six active vectors (V1-V6) form the axes of a hexagon among these eight switching vectors and feed electric power to the load. Two-adjacent zero vectors (V0-V7) are located at the origin and do not feed any power to the load [20], [27], [43], [83], [84], [70], [114], [127], [131], [202], [205], [214].…”

Section: Space Vector Pulse Width Modulation (Sv-pwm) Methodsmentioning

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%

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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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Section: Single-phase Two Wire (1p2w) Compensating Devicesmentioning

confidence: 93%

Section: Space Vector Pulse Width Modulation (Sv-pwm) Methodsmentioning

confidence: 99%

Section: Synchronous Reference Frame (Srf) Theorymentioning

confidence: 99%

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

Prasad

Akella

2017

IJEEI

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“…The reference d axis load voltage is therefore expressed as follows Vd*=Vddc-Vcap………… [14] The amplitude of load terminal voltage VL is controlled to its refernce voltage VL* using another PI controller is considered as the reactive componentof voltage Vqr for voltageregulation of load terminal voltage. The amplitude of load voltgae VL at the PCC is calculated from the ac voltages( VLa, VLb, VLc) as VL=(2 /3) 1/2 (VLa 2 + VLb 2 +VLc2) 1/2 ……….. [15] Then , a PI controller is used to regulate this to a reference value as Vqr(n)= Vqr(n-1)+Kp2(Vte(n)-Vte(n-1)) + Ki2Vte(n)….…”

Section: In Phase Voltage Compensation Methodsmentioning

confidence: 99%

Compensation of Sag and Swell Voltage by using Dynamic Voltage Restorer

Wasnik¹,

Shaha²,

Ghutke³

2019

IJTSRD

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The increase use of modern sensitive and sophisticated loads connected to distribution system causes various problems to the system. The major problems are voltage sag and swell, there is need to compensate it .Today most of the distribution companies are using power semiconductor based devices for improving power quality. Among the various custom power devices, Dynamic voltage restorer is used for compensation in this paper, which is most popular and widely used method. Here, in phase compensation technique of DVR is used with battery energy storage system. The DVR's life time is improved by replacing battery with super capacitor. Super capacitor are most suitable short duration energy requirement. The control technique employed here is SRF controller. The overall work is carried out in MATLAB Simulink.

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“…The proposed DVR is validated through digital computer simulation studies. The modeling of facts and custom power devices is developed [9][10][11]. The fuzzy logic control and PI control techniques employed in a four leg VSC based DVR is compared and validated [12].…”

Section: Introductionmentioning

confidence: 99%

Four Leg Voltage Source Converter based Dynamic Voltage Restorer for Power Quality Improvement in Distribution Networks

Leela¹,

Dash²

2011

IJCA

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This paper deals with digital simulation and control of four leg voltage source converter based Dynamic Voltage Restorer(DVR). The control of DVR that injects a voltage in series with a distribution feeder is presented. DVR is a power electronic controller that can protect sensitive loads from disturbances in supply system. It is observed that DVR can regulate the voltage at the load during an imbalance in the three phase system voltage. It eliminates the presence of zero sequence components in unbalanced system to make the system balanced. Circuit model is developed and the same is used for simulation studies.

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A novel technique for mitigation of voltage sag/swell by Dynamic Voltage Restorer (DVR)

Cited by 9 publications

References 5 publications

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

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

Compensation of Sag and Swell Voltage by using Dynamic Voltage Restorer

Four Leg Voltage Source Converter based Dynamic Voltage Restorer for Power Quality Improvement in Distribution Networks

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