The role of custom power products in enhancing power quality at industrial facilities

Stump, M.D.; Keane, G.; Leong, Fong Kok

doi:10.1109/empd.1998.702726

Cited by 45 publications

(13 citation statements)

References 2 publications

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“…To develop dynamic, flexible and adjustable solution to the electrical power quality disturbances, passive L-C filters [22][23][24], active power filters (APFs) [25][26][27][28][29], hybrid filters [30] and custom power devices (CPDs) [31][32][33][34][35][36] are used from time to time. This paper focuses on a DSTATCOM, DVR and UPQC type compensating custom power devices.…”

Section: Introductionmentioning

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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Section: Introductionmentioning

confidence: 99%

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

Prasad

Akella

2017

IJEEI

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“…While these solutions are effective, they are costly and used only in a few applications. Furthermore, they require a minimum of quarter cycle for the starting of operation, which restricts them to only being adopted in extremely sensitive load applications [10]. In addition, since most of the power conditioning and regulating devices are voltage controlled, they come up with performance issues while powering nonlinear loads.…”

Section: Introductionmentioning

confidence: 99%

Asymmetrical Fault Correction for the Sensitive Loads Using a Current Regulated Voltage Source Inverter

et al. 2016

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Numerous industrial applications involve loads that are very sensitive to electrical supply instabilities. These instances involve various types of voltage imbalances as well as more serious disturbances such as symmetrical and asymmetrical faults. This paper proposes a cost-effective voltage imbalance and asymmetrical fault correction solution for the three phase sensitive loads utilizing an industry-standard current regulated voltage source inverter by connecting it in parallel to the grid mains powering to the sensitive load. The inverter regulates the current for the load and never permits it to go beyond a prescribed value under any type of asymmetrical fault condition, which ensures high power regulating and conditioning capacities. Experimental results are obtained from a small laboratory size prototype to validate the operation of the proposed technique.

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“…Improvement of power quality and inhibition of voltage drop are Problems to be solved. Series dynamic voltage restorer (DVR) [3] is an effective means to resolve this issue, and received widespread attention. The voltage drop is often short-term voltage fluctuation phenomena, so the DVR requires fast response.Quickly and accurately detecting and generating given compensation signal is a key technology in the DVR device developing,so that the DVR control system can compensate effectively the voltage drop.…”

Section: Introductionmentioning

confidence: 99%

DVR real-time compensation signal generation algorithm based on transformation

Chen

Pei

Xin³

2012

International Conference on Automatic Control and Artificial Intelligence (ACAI 2012)

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In order to solve the problem of voltage drop by use of serial compensation, real-time compensation signal generation algorithm is designed in order to provide reference input signal to DVR control system. The algorithm uses iterative filtering to generate the reference waveform of the sinusoidal and orthogonal in real time and provides a basis for pqr transformation. In the pqr coordinate system, p -axis component of the ideal voltage signal during the voltage drop is DC, p -axis, r -axis component is zero, which provides a simple representation to the calculation of the compensation component. Calculate the compensation component in the pqr coordinate system and get the compensation component of the abc coordinate system by using the pqr inverse transform in real-time. The simulation results demonstrate the effectiveness of the algorithm.

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The role of custom power products in enhancing power quality at industrial facilities

Cited by 45 publications

References 2 publications

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

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

Asymmetrical Fault Correction for the Sensitive Loads Using a Current Regulated Voltage Source Inverter

DVR real-time compensation signal generation algorithm based on transformation

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