Power Factor Control for Hybrid Type Power Quality Conditioner

2012 ◽  
Vol 2 (4) ◽  
pp. 430-436
Author(s):  
Kyohei Yamagiwa ◽  
Yuta Kobayashi ◽  
Mutsumi Aoki ◽  
Hiroyuki Ukai ◽  
Fukashi Ueda ◽  
...  
2020 ◽  
Author(s):  
iftikhar manzoor

UPQC Based power quality conditioner covers all power quality problems. Problems covers by UPQC are Voltage Sag, Voltage Swell, voltage imbalance, Power factor correction, harmonics mitigation.


Author(s):  
Madhusmita Patro ◽  
Kanhu Charan Bhuyan

<p>Power quality has become an important factor in power systems, for consumer and household appliances. The main causes of poor power quality are harmonic currents, poor power factor, supply voltage variations etc. A technique of achieving both active current distortion compensation, power factor correction and also mitigating the supply voltage variations at load side is compensated by unique device UPQC presented in this thesis. This concept presents a multi loop based controller to compensate power quality problems through a three phase four wire unified power quality conditioner (UPQC) under unbalanced and distorted load conditions. Here the UPQC is constituted of two voltage source converters (VSC) connected via power link. The series compensator is connected to the line in series and injects the voltage and thus compensates for voltage issues; whereas the shunt compensator injects current thus compensating for current issues, and is connected in shunt to the line. The voltage injection to the line uses an injecting transformer. The injection transformer is later replaced with injection capacitors, thus eliminating the drawback of conventional UPQC. In this way a good power quality is maintained.</p>


Author(s):  
Madhusmita Patro ◽  
Kanhu Charan Bhuyan

<p>Power quality has become an important factor in power systems, for consumer and household appliances. The main causes of poor power quality are har ue of achieving active current distortion compensation, power factor monic currents, poor power factor, supply voltage variations etc. A techniq correction and also mitigating the supply voltage variations at load side is compensated by unique device UPQC presented in this thesis. This concept presents a multi loop based controller to compensate power quality problems through a three phase four wire Unified Power Quality Conditioner (UPQC) under unbalanced and distorted load conditions. Here the UPQC is constituted of two Voltage Source Converters (VSC) connected via power link. The series compensator is connected to the line in series and injects the voltage and thus compensates for voltage issues; whereas the shunt compensator injects current thus compensating for current issues, and is connected in shunt to the line. The voltage injection to the line uses an ijecting transformer. The injection transformer is later replaced with injection capacitors, thus eliminating the drawback of conventional UPQC. In this way a good power quality is maintained</p>


Author(s):  
Thumuganti Ramya ◽  
Dhavala Pranusha

This paper manages the arrangement of a nearby three stage four wire (3P4W) electrical power appropriation framework (EPDS), utilizing a solitary to three stage bound together power quality conditioner (UPQC) topology with fluffy controller , called UPQC 1Ph to 3Ph. The topology is shown for applications in country or remote zones in which, for financial reasons, just EPDS with single wire earth return are open to the buyer. Since the utilization of three stage loads is expanding in these regions, access to a three stage dispersion framework ends up dominant. By embracing a double pay methodology, the proposed UPQC 1Ph to 3Ph is capable of depleting from the single stage electrical framework a sinusoidal flow and in stage with the voltage, coming about high power factor. Moreover, the framework is likewise ready to stifle lattice voltage sounds, just as to make up for different aggravations, for example, voltage lists. In this proposed topology we are utilizing fluffy rationale controller to Single-Phase To Three-Phase Unified Power Quality Conditioner to decrease of the music and execution will be expanded. Along these lines, a 3P4W framework with fluffy managed, offset and sinusoidal voltages with low consonant substance is accommodated single and three stage loads. An examination of the power move through the arrangement and parallel converters is performed so as to help the structuring of the power converters. Reenactment results are exhibited for approving the proposition of fluffy, just as assessing the static and dynamic exhibitions of the proposed topology.


Author(s):  
Sunny Yadav ◽  
Sabir Ali ◽  
Amit Arora

The increased usage of power-sensitive electronic devices has prompted interest in power conditioning solutions, which is no surprise. As a result, some type of compensation must be supplied if power output remains below the standards' prescribed limitations. The UPQC (Unified Power Quality Controller) is one of numerous AC Transmission System families that can control voltage, impedance, and phase angle among other factors (FACTS). This study focuses on modern UPFC systems that have increased power quality efficiency to help utilities reduce voltage concerns. One of the FACTS controls for lowering stress sales effects is a unified power quality conditioner (UPQC). The quadrature voltage is specified using the UPQC series compensator. As a result, the compensator series never utilizes active power in a continuous scenario. As mentioned in the approach, a low power rating compensator injects voltage to remedy the system's power quality problem. The voltage is decreased and the power factor is raised when the fluid logic controller is used in conjunction with traditional UPQC. Furthermore, the load factor has been improved. The circuit is then imitated in MATLAB / SIMULINK using a fluctuating logo controller.


2012 ◽  
Vol 132 (4) ◽  
pp. 309-316 ◽  
Author(s):  
Shoji Kawasaki ◽  
Noriaki Kanemoto ◽  
Hisao Taoka ◽  
Junya Matsuki ◽  
Yasuhiro Hayashi

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