A Novel Control Approach for Unified Power Quality Conditioner Q without Active Power Injection for Voltage Sag Compensation

2006 ◽  
Author(s):  
V. Khadkikar ◽  
A. Chandra
Keyword(s):  
Power Quality ◽  
Active Power ◽  
Voltage Sag ◽  
Control Approach ◽  
Unified Power Quality Conditioner ◽  
Power Injection ◽  
Power Quality Conditioner

scholarly journals A Novel Method to Enhance of Power Quality in Distribution System using IDVR

2019 ◽  
Vol 8 (2S11) ◽  
pp. 1028-1034
Keyword(s):  
Energy Storage ◽  
Power Quality ◽  
Distribution System ◽  
Active Power ◽  
Voltage Sag ◽  
Restoration Technique ◽  
Power Injection ◽  
Long Duration ◽  
Dynamic Voltage ◽  
Novel Method

The dynamic voltage trained worker (DVR) offers series compensation and better management resolution to voltage-sag drawback; as a results of the voltage restoration technique provides Active Power injection into the distribution system, to spice up active power at intervals the system ids done correct alternative of DVR in given network, considerably for mitigating long-duration voltage dips i.e. sag, and sag mitigation amount depends on the energy storage capability of the DVR. This paper prove higher answer in modeling the simulation of voltage sag compensation through Interline Dynamic Voltage trained worker (IDVR) and it provides some way to top off dc-link energy storage dynamically. The IDVR consists of the various} DVRs connected to numerous distribution feeders within the power System. The DVRs within the IDVR system share common energy storage. one all told the DVR compensates for voltage sag showing throughout this feeder, the opposite DVRs top off the energy within the common dc-link dynamically. Thus, one DVR within the IDVR system works in voltage-sag compensation mode whereas the opposite DVRs within the IDVR system operate in constant power management mode. this system involves SPWM technologies to spice up the Doctor of Theology. The simulation results unit of measuring enclosed may additionally} the operative principles of a DVR and shows the effectiveness and also the power of the projected IDVR system to spice up power quality

scholarly journals Solar PV Sustained Quasi Z-Source Network-Based Unified Power Quality Conditioner for Enhancement of Power Quality

Energies ◽  
2020 ◽  
Vol 13 (10) ◽  
pp. 2657 ◽  
Author(s):  
K. Muthuvel ◽  
M. Vijayakumar
Keyword(s):  
Power Quality ◽  
Power Distribution ◽  
Power Efficiency ◽  
Harmonic Distortion ◽  
Active Power ◽  
Solar Pv ◽  
Storage Unit ◽  
Energy Storage Unit ◽  
Unified Power Quality Conditioner ◽  
Power Quality Conditioner

In this article, a Quasi Z-source inverter (QZSI)-based unified power quality conditioner (UPQC) backed by the solar photovoltaic (SPV) is presented in order to enhance power quality. The UPQC consists of converters connected in parallel and series. The active power filters (APFs) connected in parallel and series is one of the versatile custom power circuitries to reduce current and voltage instabilities. The main functions of QZSI can increase the variable direct current (DC) voltage to any given alternating current (AC) output voltage, reduce the necessary elements, and alleviate harmonic content. The UPQC’s compensation function primarily relies on the control system used for the generation of reference current and voltage. The enhanced second order generalized integrator (ESOGI) is used in this proposed system to extract the reference current of QZSI-UPQC. The proposed UPQC uses the SPV system, which has an energy storage unit to offset long-term current and voltage disruptions and fulfill the active power demands of the grid. The experimental results confirm that the proposed SPV-supported QZSI-UPQC generates sinusoidal grid currents of about 1.2% of total harmonic distortion (THD), thus increasing the power efficiency of the interconnected SPV power distribution network.

scholarly journals THE UNIFIED POWER QUALITY CONDITIONER: A REVIEW

2022 ◽  
Vol 10 (1) ◽  
pp. 05-12
Author(s):  
Siddhant Tiwari ◽  
◽  
Balram Yadav ◽  
Indrajeet Kumar ◽  
◽  
...  
Keyword(s):  
Power Quality ◽  
Distribution System ◽  
Active Power Filter ◽  
Voltage Regulation ◽  
Active Power ◽  
Shunt Active Power Filter ◽  
Power Filter ◽  
Unified Power Quality Conditioner ◽  
Three Phase ◽  
Power Quality Conditioner

This thesis addresses the Unified Power Quality Conditioner (UPQC) which is a major custom power solutions capable for load balancing, power factor-correction, voltage regulation, voltage and current harmonics mitigation in a three-phase three-wire distribution system for different combinations of linear, non-linear and dynamic loads. The unit template technique (UTT) is used to get the reference signals for series active power filter and shunt active power filter which utilizes two closed loop PI controllers. The design of three- phase three-wire UPQC includes the design of shunt controller (SHUC) and series controller (SERC).

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