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Journal articles on the topic 'Reactive shunt compensation'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Ramanaiah, M. Laxmidevi, and M. Damodar Reddy. "Moth Flame Optimization Method for Unified Power Quality Conditioner Allocation." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 1 (2018): 530. http://dx.doi.org/10.11591/ijece.v8i1.pp530-537.

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This paper introduces a new optimization method to determine the optimal allocation of Unified Power Quality Conditioner (UPQC) in the distribution systems. UPQC is a versatile Custom Power Device (CPD) to solve problems related to voltage and current by the series and shunt compensator in the distribution systems. The task of UPQC highlighted in this paper is the required load reactive power is provided by both the series and shunt compensators. The UPQC’s steady state compensation capability has given a solution for providing reactive power compensation in large distribution systems. The opt

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2

Hassan, Zahid, and Gagan Deep Yadav. "Reactive Power Compensation and Limiting Harmonic Current using Shunt Active Power Filter." International Journal of Trend in Scientific Research and Development Volume-2, Issue-4 (2018): 50–54. http://dx.doi.org/10.31142/ijtsrd12958.

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3

Sahoo, Ashwin Kumar, Sarat Kumar Sahoo, and Nalinikanta Mohanty. "Modeling and Simulation of Three Phase D-SVC for Load Compensation." International Journal of Power Electronics and Drive Systems (IJPEDS) 8, no. 1 (2017): 262. http://dx.doi.org/10.11591/ijpeds.v8.i1.pp262-271.

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The transmission of electric power has to take place in the most efficient way in addition to providing flexibility in the process. Flexible A.C. Transmission System (FACTS) promotes the use of static controllers to enhance the controllability and increase the power transfer capability. Providing reactive shunt compensation with shunt-connected capacitors and reactors is a well-established technique to get a better voltage profile in a power system. Shunt Capacitors are inexpensive but lack dynamic capabilities, thus some form of dynamically controlled reactive power compensation becomes essen

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4

Park, Tae-Jun, Gang-Youl Jeong, and Bong-Hwan Kwon. "Shunt active filter for reactive power compensation." International Journal of Electronics 88, no. 12 (2001): 1257–69. http://dx.doi.org/10.1080/00207210110092735.

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5

Jamuna, P., and S. Ramesh. "Experimental Validation of Impedance Source Network Based Active Power Filter for Interconnection of PV System into Grid." Journal of Circuits, Systems and Computers 27, no. 14 (2018): 1850215. http://dx.doi.org/10.1142/s0218126618502158.

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This paper proposes a Solar Photovoltaic (SPV) interfaced Impedance Source Inverter (ZSI) based shunt Active Power Filter (APF) for compensation of power quality events such as current harmonics, voltage interruption and reactive power burden. The instantaneous reactive power theories with Fuzzy Logic Controller (FLC) based DC link voltage regulator is used to estimate the reference current signal and control the operation of the SPV interfaced shunt APF. Maximum Power Point Tracking (MPPT) algorithm is also employed to obtain the optimum maximum power point. The response of the SPV interfaced

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Chaves, Fabrício Silveira, and Maria Helena Murta Vale. "Power system reactive compensation: evaluation of expansion plans taking into account electromagnetic transient restrictions." Sba: Controle & Automação Sociedade Brasileira de Automatica 20, no. 1 (2009): 63–71. http://dx.doi.org/10.1590/s0103-17592009000100006.

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In this paper, the authors present developments regarding Power System Capacitive Shunt Reactive Compensation and Voltage Control, with respect to Expansion Activities, in an Electromagnetic Transient context. The definition of the amount and location of shunt reactive compensation to be installed in power systems considers several aspects, as reactive power optimization, short circuit calculations, voltage stability and harmonic analyses, among others. Different alternatives must be evaluated, regarding their impact (positive and negative) to system behavior, in order to select the most adequ

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7

Demirdelen, T., R. I. Kayaalp, and M. Tumay. "A Modular Cascaded Multilevel Inverter Based Shunt Hybrid Active Power Filter for Selective Harmonic and Reactive Power Compensation Under Distorted/Unbalanced Grid Voltage Conditions." Engineering, Technology & Applied Science Research 6, no. 5 (2016): 1133–38. http://dx.doi.org/10.48084/etasr.777.

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In recent years, shunt hybrid active power filters are being increasingly considered as a viable alternative to both passive filters and active power filters for compensating harmonics. In literature, their applications are restricted to balanced systems and low voltage applications and therefore not for industrial applications. This paper investigates the performance of a modular cascaded multilevel inverter based Shunt Hybrid Active Power Filter (SHAPF) for reactive power compensation and selective harmonics elimination under distorted/unbalanced grid voltage conditions in medium voltage lev

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Mobarak, Y. A., A. M. Hemeida, A. El-Bahnasawy, and M. M. Hamada. "Reactive Power Compensation on Egypt Electricity Network for Optimal Energy Saving." Engineering, Technology & Applied Science Research 9, no. 1 (2019): 3699–704. http://dx.doi.org/10.48084/etasr.2451.

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This paper introduces the load flow on the Egypt Electricity Network system. The effect of capacitor compensation has been studied from three points. First, the problem of the series capacitor compensation was considered. The second type of compensation considered is shunt compensation. Finally, a mixed of shunt and series capacitors compensation was implemented. The analysis results were discussed based on the maximum reduction in the generated MVAR. The load variation is accounted for by considering three different load levels classified as light, medium and peak load with pre-specified dura

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Egorov, D. E., V. P. Dovgun, N. P. Boyarskaya, A. V. Jan, and A. S. Slyusarev. "Power factor correction in power delivery systems with mutipulse nonlinear loads." Power engineering: research, equipment, technology 22, no. 6 (2021): 3–15. http://dx.doi.org/10.30724/1998-9903-2020-22-6-3-15.

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THE PURPOSE. Мutipulse rectifiers are widely used as a nonlinear loads in industrial distribution systems. The advantage of mutipulse rectifiers is low harmonic emission and high power factor. However input currents of mutipulse rectifiers have a wide spectrum including characteristic and noncharacteristic harmonics. This has a negative impact on the power quality. Shunt capacitors are the simplest form of reactive power compensation in industrial power distribution systems. However power systems with nonlinear loads suffer from severe harmonic distortion due to the parallel resonance between

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10

Sriranjani, R., M. Geetha, and S. Jayalalitha. "Harmonics and Reactive Power Compensation Using Shunt Hybrid Filter." Research Journal of Applied Sciences, Engineering and Technology 5, no. 1 (2013): 123–28. http://dx.doi.org/10.19026/rjaset.5.5093.

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11

Sheikh, Aafreen S. "Reactive Power Compensation and Power Factor Correction by using Static VAR Compensator (SVC)." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (2021): 4034–36. http://dx.doi.org/10.22214/ijraset.2021.36061.

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In this paper, a reactive power compensation system using static VAR compensator is presented. To confine on system stability and reliability, the reactive power compensation is the fundamental way forflexible AC transmission systems (FACTS). The variations of reactive power have an effect on thegenerating units, lines, circuit breakers, transformers, relays, and isolators. It can also cause effective voltage sags and increase losses. In the proposed system, the lead time between voltage pulse and curren pulse is measured and fed to the interrupt pins of the microcontroller where the program t

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12

Udaratin, A., A. Alyunov, A. Krutikov, L. R. Mukhametova, O. O. Zaripov, and I. V. Bochkarev. "Efficiency study of the reactive shunt compensation device in power lines." E3S Web of Conferences 124 (2019): 02020. http://dx.doi.org/10.1051/e3sconf/201912402020.

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13

Sun, Qiuye, Jianguo Zhou, Xinrui Liu, and Jun Yang. "A Novel Load-Balancing Method and Device by Intelligent Grouping Compound Switches-Based Capacitor Banks Shunt Compensation." Mathematical Problems in Engineering 2013 (2013): 1–11. http://dx.doi.org/10.1155/2013/347361.

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A novel compensator topology is proposed for three-phase unbalanced loads in the distribution networks. The negative and zero sequence compensation networks are proposed using delta-connected and star-connected capacitor banks. The compensation networks are paralleled with the unbalanced load to achieve a perfect balancing of active power and a complete compensation of reactive power of the unbalanced load. Intelligent grouping compound switches are implemented to control the capacitors, where, therefore, each capacitor can be switched between phases or phase and ground. Wireless sensors are a

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Abdalla, Omar H., Hisham Al-Riyami, Adil Al-Busaidi, et al. "Reactive Power Compensation in Oman 400kV Transmission System." Applied Mechanics and Materials 785 (August 2015): 455–59. http://dx.doi.org/10.4028/www.scientific.net/amm.785.455.

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The objective of this paper is to present the challenges, methodological approach and possible solutions for the overvoltage issue during the winter light load period in the Main Interconnected Transmission System (MITS) of Oman after introducing the new 400kV system. Load flow studies of the planned MITS in 2016, including representation of other local and GCC interconnection grids, have shown overvoltage issues at the 400kV substations in Oman during winter off-peak demand. These voltage issues can even lead to difficulties in synchronizing the 400kV circuits. Simulation results are presente

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Sun, Yan Ping, Mo Zhou, and Guo Wang. "Study on a Novel Three-Phase Two-Leg Active Inverter for Electrified Railway." Applied Mechanics and Materials 734 (February 2015): 868–72. http://dx.doi.org/10.4028/www.scientific.net/amm.734.868.

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A novel topology circuit of active compensation was discussed to be used to manage negative sequence caused by locomotive load in electrified railway. The main circuit used a three-phase two-leg compensator as active elements of shunt hybrid active compensator topology. The number of switch device in this topology was reduced by comparing with three-phase full-bridge active inverter and the cost was lower. The simulation model was developed with SIMULINK. The simulating results indicates that the shunt hybrid active compensator can restrain the problem of negative sequence which generated by l

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16

Farzam, Vahid, and Ahad Mokhtarpour. "Inter-Area Oscillation Damping Using an STATCOM based Hybrid Shunt compensation Scheme." International Journal of Power Electronics and Drive Systems (IJPEDS) 7, no. 4 (2016): 1172. http://dx.doi.org/10.11591/ijpeds.v7.i4.pp1172-1180.

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FACTS devices are one of the latest technologies which have been used to improve power system dynamic and stability during recent years. However, widespread adoption of this technology has been hampered by high cost and reliability concerns. In this paper an economical phase imbalanced shunt reactive compensation concept has been introduced and its ability for power system dynamic enhancement and inter-area oscillation damping are investigated. A hybrid phase imbalanced scheme is a shunt capacitive compensation scheme, where two phases are compensated by fixed shunt capacitor (C) and the third

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17

Liu, Gui Ying, and Shi Ping Su. "Delay Loop Current Control Methods of Shunt Active Power Filter." Applied Mechanics and Materials 128-129 (October 2011): 105–8. http://dx.doi.org/10.4028/www.scientific.net/amm.128-129.105.

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Active power filter is a widely used harmonic suppression and reactive power compensation, it can on the smart grid in the harmonic and reactive to better dynamic compensation. This paper analyzes the parallel active power filter compensation principle, the use of DC voltage loop control that contains the ip-iq method for the detection of smart grid command current and fixed delay loop current tracking control method for shunt APF current tracking control using Matlab / Simulink simulation model build and control the angle from a different instance of simulation. The simulation results shows t

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18

Asiminoaei, Lucian, Frede Blaabjerg, Steffan Hansen, and Paul ThØgersen. "Adaptive Compensation of Reactive Power With Shunt Active Power Filters." IEEE Transactions on Industry Applications 44, no. 3 (2008): 867–77. http://dx.doi.org/10.1109/tia.2008.921366.

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19

Giri, Tilak, Ram Prasad Pandey, Sabin Bhandari, Sujan Moktan, and Lagat Karki. "Design and Simulation of three Phase three Wire Shunt Active Filter using Instantaneous PQ Theory." Journal of the Institute of Engineering 15, no. 1 (2020): 181–86. http://dx.doi.org/10.3126/jie.v15i1.27728.

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Due to intensive use of power converters and other non-linear loads, power quality is degrading. The presence of harmonics in the power lines result in greater power losses in distribution, interference problems in communication systems. Non linearity reduces the efficiency and power factor of the system. As the power factor reduces, the reactive power demanded from the supply increases which have no any contribution in energy transfer, so compensation is required. For this, shunt passive filter has been developed but it is bulky and frequency dependent and has many drawbacks. In contrast to p

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20

Alnahhas, Mutaz, and Abdul Wali Abdul Ali. "Design and Implementation of a Solar Panel Inverter as STATCOM Compensator." ELEKTRIKA- Journal of Electrical Engineering 20, no. 1 (2021): 1–8. http://dx.doi.org/10.11113/elektrika.v20n1.234.

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A power system suffers from different losses, which can cause tragic consequences. Reactive power presence in the power system increases system losses delivered power quality and distorts the voltage. As a result, many researches are concerned with reactive power compensation. Moreover, reactive power should not be transmitted through a transmission line to a longer distance. Thus, Flexible AC Transmission Systems (FACTS) devices such as static synchronous compensator (STATCOM), static volt-ampere compensator (SVC), and unified power flow controller (UPFC) are utilized to overcome these issues

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Yang, Yong, Lei Chen, Weiyan Zheng, Xinquan Wei, Guangxian Lv, and Peng Liu. "Multi objective reactive power and voltage optimization of distribution network based on adaptive genetic annealing algorithm." E3S Web of Conferences 185 (2020): 01042. http://dx.doi.org/10.1051/e3sconf/202018501042.

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In this paper, a multi-objective reactive power optimization model of distribution network is established, which takes the minimum of line loss, reactive compensation capacitor switching loss and node voltage deviation as objective, considering the constraints of node voltage, reactive power of wind turbine, capacitor switching times. The improved adaptive genetic annealing algorithm is used to solve the model. IEEE33 system is taken as an example to verify the effectiveness of the reactive power optimization model. When the shunt capacitor and wind turbine are in the optimal reactive power co

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22

Rajesh, T., and S. Rajeswari. "Power quality improvement and reactive power compensationusing enhancedsliding mode controllerbased shunt active power filter and static VAR compensator." International Journal of Engineering & Technology 7, no. 2.8 (2018): 543. http://dx.doi.org/10.14419/ijet.v7i2.8.10518.

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The power quality is the challenging criteria in all equipment’s at all levels comprise industrial sectors and consumer places. Some parameters are very sensitive which may affect and disturb the power quality. These parameters are harmonic current, power compensation and voltage sag. Providing the source without these parameters with efficient power quality is essential. Hence by selecting proper device the power output may reach without any interruption along with linear, non-linear and unbalanced loads. This paper introduces a Sliding Mode Controller (SMC), a very effective controller imple

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Venkatesan, Savitha, and Booma Nagarajan. "Compensation of voltage Sag using STATCOM." International Journal of Engineering & Technology 7, no. 2.8 (2018): 673. http://dx.doi.org/10.14419/ijet.v7i2.8.10554.

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Due to unpredicted non-linear loads, power quality problems, a raise in the transmission system. One such problem is voltage sag. Voltage sag is caused by the non-linear load which demands reactive power, but the balanced 3F source provides required reactive power of the load with reduced voltage at the receiving end. In this paper, simulation study has been performed to reducethe voltage sag issue. A transmission system with generation source with different loading conditions is considered and study has been done. A 3F medium P model transmission line is designed with a power source of 11kV.

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Mounika, G. "Closed Loop Reactive Power Compensation on a Single-Phase Transmission Line." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (2021): 2149–55. http://dx.doi.org/10.22214/ijraset.2021.35486.

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Nowadays the power consumption is increasing significantly. Due to this, the transmission lines are heavily loaded and in turn results in instability of the line. So orderly transmission of power is essential. For the proper operation of the load the voltage has to be maintained within the acceptable limit. Due to the changes in load, the voltage level of the line also changes. The voltage levels can be improved by using the reactive power compensator like capacitor banks, series compensator, STAT COM and svc. Here, we considered the SVC as reactive power compensator. This paper presents the r

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Patil, Basanagouda N., and S. B. Karajgi. "Simultaneous placement of FACTS devices using cuckoo search algorithm." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 3 (2020): 1344. http://dx.doi.org/10.11591/ijpeds.v11.i3.pp1344-1349.

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The power system deregulation requires thechange in reactive power compensation in the power system. The optimal placement of FACTs (Flexi ble AC transmission system) devices is mandatory to recalculate the reactive power compensation in deregulation case. The FACTs devices generally used in series and shunt conections. Here the various facts devices connected in series &amp; shunt combination simultaneously. The optimal placement and sizing of the devices are done in this paper by formulating the objective function with minimization of cost of the generation and minimizing the cost of Fac

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Omran, Mohamed Asghaiyer, Izzeldin I. Ibrahim, Abu Zaharin Ahmad, et al. "Comparisons of PI and ANN controllers for shunt HPF based on STF-PQ Algorithm under distorted grid voltage." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 3 (2019): 1339. http://dx.doi.org/10.11591/ijpeds.v10.i3.pp1339-1346.

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<span>This paper proposes a shunt hybrid power filter (HPF) for harmonic currents and reactive power compensation under a distorted voltage and in a polluted environment. For this purpose, the reference current of the shunt HPF is computed based on the instantaneous reactive power (p-q) theory with self-tuning filter (STF). In order to adjust the dc voltage as a reference value, PI and ANN controllers have been utilized. Moreover, the system has been implemented and simulated in a MATLAB-SIMULINK platform, and selected results are presented. Therefore, the results verified the good dynam

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Yuan, Xiao Hua, and Xian Bin Dai. "Energy-Saving Analysis for Power System Reactive Power Compensation." Advanced Materials Research 608-609 (December 2012): 1151–55. http://dx.doi.org/10.4028/www.scientific.net/amr.608-609.1151.

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The alternator output power in the power system can be divided into active and reactive power. The active power (in kW) is that part of the electrical energy for doing work and heat loss, such as the conversion of mechanical energy, heat, light. The reactive power (in kVar) is that part of the electrical energy for the exchange of electric and magnetic fields in the circuit, such as transformers, motors, through the magnetic field can be passed to convert electrical energy; transmission lines in cable systems and a variety of load reactance (inductance and capacitance), and consumption of reac

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Cao, Xudong, Kun Dong, and Xueliang Wei. "An Improved Control Method Based on Source Current Sampled for Shunt Active Power Filters." Energies 13, no. 6 (2020): 1405. http://dx.doi.org/10.3390/en13061405.

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Active power filters (APFs) are dynamic power electronic devices that suppress harmonics and reactive power. To simplify the detection and extraction of traditional APF harmonics and reactive current, this paper proposes a direct source current control based on a three-phase three-wire shunt APF. The compensation principle and control method of the source current are analyzed systematically. The currents can be controlled without static errors by a proportional-integral (PI) controller in d-q rotating coordinates. Therefore, the compensation accuracy and dynamic performance of the system can b

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Liu, Shou Ming, Hong Wei Shi, Qian Zhang, and Zhi Kun Hu. "A Novel Current Reference Calculation Method for Shunt Active Power Filter under Nonideal Mains Voltages." Advanced Materials Research 468-471 (February 2012): 245–51. http://dx.doi.org/10.4028/www.scientific.net/amr.468-471.245.

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In this paper, the impuissance of traditional ip-iq method in reactive power compensation applications under nonideal mains voltages is illustrated first, and then a novel current reference calculation method for Shunt Active Power Filter (SAPF) based on p-q transformation is proposed. By means of the proposed method, the positive sequence fundamental active current component of the load current can be isolated under distorted and/or unbalanced mains voltages, which makes SAPF be capable of harmonic cancellation and reactive power compensation at the same time under nonideal mains voltages. Th

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Gowrishankar, A., and M. Ramasamy. "SPV-Based UPQC with Modified Power Angle Control Scheme for the Enhancement of Power Quality." Journal of Circuits, Systems and Computers 29, no. 04 (2019): 2050064. http://dx.doi.org/10.1142/s0218126620500644.

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Unified Power Quality Conditioner (UPQC) with a modified Power Angle Control (PAC) scheme is presented for effective interconnection of renewable energy system into the grid. The UPQC consists of both shunt and series Active Power Filters (APFs). The shunt and series APF is one of the most effective custom power devices, which provides compensation for current and voltage-based disturbances, respectively. The shunt APF supplies active power to the load from the Distributed Generation (DG) in addition to reactive power demand supplied by it. Because of this functionality, the Volt–Ampere (VA) b

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Sun, Dong Mei, and Jun Wen. "Researches on Reactive Compensation for Long-Distance and Highcapacity Hybrid Submarine Cable Lines." Advanced Materials Research 433-440 (January 2012): 2406–10. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.2406.

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In order to balance reactive power, reduce line losses, prevent excessive power frequency and switching over-voltage and adjust and control the line voltage etc. The long-distance and high voltage transmission lines are needed reactive power compensation. High voltage overhead transmission lines and high voltage submarine cable (including mixed-submarine) transmission lines are different, for example, the capacitance in the submarine cable lines is larger than in the conventional overhead lines. Therefore, the reactive power compensation on the EHV transmission lines which contains submarine c

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Sindhu, M. R., Manjula G. Nair, and T. N. P. Nambiar. "Three Phase Auto-tuned Shunt Hybrid Filter for Harmonic and Reactive Power Compensation." Procedia Technology 21 (2015): 482–89. http://dx.doi.org/10.1016/j.protcy.2015.10.030.

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Ajjarapu, V., and Neil D. Hammer. "The Consideration of Operational Limits in Power Transmission with Shunt Reactive Power Compensation." International Journal of Electrical Engineering Education 27, no. 3 (1990): 264–72. http://dx.doi.org/10.1177/002072099002700313.

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Kuchanskyy, V. V., and D. O. Malakhatka. "PARAMETRIC OPTIMIZATION OF OPERATING MODES OF BULK ELECTRICAL NETWORKS BY CRITERIA ACTIVE POWER LOSSES." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2021, no. 59 (2021): 72–80. http://dx.doi.org/10.15407/publishing2021.59.072.

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It is shown that the use of controlled shunt reactors enables, based on ultra-high voltage transmission lines, to create a controlled generation of new generation FACTS types that meet the requirements of modern power systems and combinations. Typical modes of operation of the high-voltage power line with installed controlled shunt reactors are analyzed. The efficiency of the use of controlled shunt reactors as measures of transverse compensation in ultrahigh voltage transmission lines is shown. The article shows that due to a smooth change in the consumption of excess reactive power of the tr

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Sai Teja, Kopella, and R. B. R. Prakash. "Power Quality Improvement Using Custom Power Devices in Squirrel Cage Induction Generator Wind Farm to Weak-Grid Connection by using neuro-fuzzy control." International Journal of Power Electronics and Drive Systems (IJPEDS) 5, no. 4 (2015): 477. http://dx.doi.org/10.11591/ijpeds.v5.i4.pp477-485.

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<p>Wind farm is connected to the grid directly.The wind is not constant voltage fluctuations occur at point of common coupling (PCC) and WF terminal . To over come this problem a new compensation strategy is used . By using Custom power devices (UPQC).It injects reactive power at PCC . The advantages of UPQC is it consists of both DVR and D-STATCOM . DVR is connected in series to the line and it injects in phase voltage into the line .D-STATCOM is connected shunt to the line .The internal control strategy is based on management of active and reactive power in series and shunt converters

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Ngasop, Ndjiya, Asnang David, and Haman Djalo. "Using Hysteresis Band Method for the Control of Three-Phase STATCOM Connected to a Transport Network." European Journal of Engineering Research and Science 5, no. 7 (2020): 767–72. http://dx.doi.org/10.24018/ejers.2020.5.7.1983.

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The transit of reactive power through the electric transport lines due to the inductive loads, creates problems of instabilities on the electrical networks. Transport networks are increasingly vulnerable to instability of voltage due to industrialization and/or population growth. The managers of these networks are therefore seeking effective solutions to these problems. STATCOM is one of the devices of the family of shunt FACTS used for reactive energy compensation. It generally offers better features compared other FACTS devices and conventional reactive compensation devices. This work aims t

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Kryukov, Andrey, and Dmitriy Gegel'. "MODELING OF LONG POWER LINES EQUIPPED WITH INSTALLATIONS OF LONGITUDINAL COMPENSATION." Modern Technologies and Scientific and Technological Progress 2020, no. 1 (2020): 209–10. http://dx.doi.org/10.36629/2686-9896-2020-1-209-210.

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The results of computer studies of long-distance transmission modes of 500 kV, equipped with a longitudinal compensation unit, shunt reactors and a controlled source of reactive power are presented. It is shown that in the presence of all of the above devices, the relative losses of active power at the main section of the power transmission line are reduced by half compared with situations of their absence.

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Senguttuvan, S., and M. Vijayakumar. "Solar Photovoltaic System Interfaced Shunt Active Power Filter for Enhancement of Power Quality in Three-Phase Distribution System." Journal of Circuits, Systems and Computers 27, no. 11 (2018): 1850166. http://dx.doi.org/10.1142/s0218126618501669.

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This paper presents a solar photovoltaic (SPV) interfaced shunt active power filter (APF), which is certainly one of the utmost effective custom power devices, which mitigates the long duration current harmonics and compensates the reactive power. The shunt APF consists of the parallel connected voltage source inverter (VSI) and storage capacitor which is connected in the DC link. The compensation ability of the APF is mainly inspired by the control technique which is used to estimate the reference source current signal. Furthermore, the controller chooses the number of devices required and me

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Sriranjani, R., and S. Jayalalitha. "Adaptive filter based current controller for Shunt Active filter." International Journal of Engineering & Technology 7, no. 2.24 (2018): 545. http://dx.doi.org/10.14419/ijet.v7i2.24.12504.

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This paper deals with the harmonic mitigation and reactive power compensation using Shunt Active filter. The performance of the Shunt active filter depends on the design and current control technique for generating a reference current. The design of the filter involves the iterative procedure for choosing the filter components so that it compensates the harmonics and reactive power for maximum load condition. The current controller method adopted for indirect current control technique where the reference signal is similar to the supply current signal. The Adaptive filter used in current contro

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Salkuti, Surender Reddy. "Optimal Location and Sizing of Shunt Capacitors with Distributed Generation in Distribution Systems." ECTI Transactions on Electrical Engineering, Electronics, and Communications 19, no. 1 (2021): 34–42. http://dx.doi.org/10.37936/ecti-eec.2021191.222295.

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This paper proposes a novel approach to determine an optimal location and sizing of shunt capacitors for reactive power compensation in distribution systems with distributed generation. Here, the optimal location for installing the shunt capacitors is determined using the loss sensitivity factor approach. The stochastic nature of distributed generation (i.e., wind and solar PV powers) has been considered in this paper. Optimal sizing of shunt capacitors has been determined by considering the power loss minimization as objective function and this problem is solved using the differential evoluti

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Singh, Harnek, Maneet Kour, Dip Vinod Thanki, and Prakash Kumar. "A Review on Shunt Active Power Filter Control Strategies." International Journal of Engineering & Technology 7, no. 4.5 (2018): 121. http://dx.doi.org/10.14419/ijet.v7i4.5.20026.

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Shunt active power filter (SAPF) has now become a well-known sophisticated technology to overcome current harmonics and reactive power compensation issues. In this paper a technical review of various control strategies for operation of SAPF has been presented. Control strategies such as reference current generation by time domain, frequency domain and soft computing approaches; voltage control for dc link voltage regulation and current control for generating switching patterns for voltage source inverter has been discussed. This paper aims to provide a broad understanding on SAPFs for various

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Lou, Yu Cheng, Da Xie, Jun Qi Feng, Min Xia Yang, and Yu Zhang. "Control Strategy of the Charging-Discharging-Storage Integrated Station on Reactive Power/Voltage of Power System." Advanced Materials Research 860-863 (December 2013): 1120–28. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.1120.

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Compared to reactive power/voltage index and standard operation procedure (SOP) of power system, the reactive power/voltage index of charging-discharging-storage integrated station is defined, which includes voltage margin and voltage adjustable capability of integrated station ((ISVM & ISVAC). And then the reactive power compensation control strategy of integrated station is put forward and proved to be lossless in power. According to the reactive power regulation characteristic, a reasonable reactive power distribution between shunt integrated stations can be realized by the reactive pow

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Janyavula, Deepthi, and Satyendra Nath Saxena. "Unbalanced Variable Nonlinear Load Compensation Using Multiple Shunt Active Filters." International Journal of Electrical and Computer Engineering (IJECE) 5, no. 5 (2015): 896. http://dx.doi.org/10.11591/ijece.v5i5.pp896-904.

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<span>The proposed scheme has considered a three-phase four-wire system, which experienced sag and swell in source voltage for a certain period while feeding an unbalanced and variable non-linear load. The load has unequal resistive and reactive elements in the three phases, forming the unbalanced component. A three-phase silicon controlled rectifier converter with adjustable firing angle connected to the load has formed the variable non-linear component. This has been considered, so as to simulate the unbalanced and variable non-linear nature of loads in real-time power system. The tren

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Wu, Xiao Meng, Wang Hao Fei, Xiao Mei Xiang, and Wen Juan Wang. "Reactive Power Compensation of Oilfield Distribution Systems Based on Tabu Search Algorithm." Applied Mechanics and Materials 397-400 (September 2013): 1113–16. http://dx.doi.org/10.4028/www.scientific.net/amm.397-400.1113.

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In order to solve the problem in reactive power compensation of oilfield distribution systems at present, a Taboo search algorithm is proposed in this paper, by which the optimal location and size of shunt capacitors on distribution systems are determined. Then the voltage profile is improved and the active power loss is reduced. In this paper, Voltage qualified is used as objective function to search an initial solution that meets the voltage constraints so that it is feasible in practicable voltage range; then the global optimum solution can be got when taking the reduced maximum of active p

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Chen, Lan, Chen, and Chen. "Adaptive Frequency-Based Reference Compensation Current Control Strategy of Shunt Active Power Filter for Unbalanced Nonlinear Loads." Energies 12, no. 16 (2019): 3080. http://dx.doi.org/10.3390/en12163080.

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The shunt active power filter (SAPF) is an effective means for the modification of power quality. However, the compensation performance of SAPF would be deteriorated when the unbalanced nonlinear loads are present in the power system. To enhance the compensation performance of SAPF, the adaptive frequency-based reference compensation current control strategy is proposed in this paper. The proposed solution procedure can be divided into three stages including adaptive frequency detection, phase synchronization, and adaptive compensation. With the tracking of power system frequency, the phase sy

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Bimali, Bibek, Sushil Uprety, and Ram Prasad Pandey. "VAR Compensation on Load Side using Thyristor Switched Capacitor and Thyristor Controlled Reactor." Journal of the Institute of Engineering 16, no. 1 (2021): 111–19. http://dx.doi.org/10.3126/jie.v16i1.36568.

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Generally, AC loads are the inductive loads which are reactive in nature. These loads, thus, demand and draw reactive power from the supply source. If these loads draw large lagging current from the source, this will cause excessive voltage drop in the line, which can even cause the voltage collapsing in the line itself if the drop in the line is excessively high. VAR compensation means efficient management of reactive power locally to improve the performance of AC power systems. In this paper, Static VAR Compensator, using TSC (Thyristor Switched Capacitor) and TCR (Thyristor Controlled React

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Shaik Nagul Sharif and Sri Latha Veerla. "Intelligent Hybrid-Fuzzy Controller using VLLMS Based Shunt Active Filter." International Journal for Modern Trends in Science and Technology 06, no. 09 (2020): 215–29. http://dx.doi.org/10.46501/ijmtst060933.

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The power quality problem in the power system is increased with the use of non-linear devices. Due to the use of non-linear devices like power electronic converters, there is an increase in harmonic content in the source current. Due to this there is an increase in the losses, instability and poor voltage waveform. To mitigate the harmonics and provide the reactive power compensation, we use filters. There are different filters used in the power system. Passive filters provide limited compensation, so active filters can be used for variable compensation. In this work, a shunt active filter has

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Saravanan, R., and P. S. Manoharan. "Neuro Fuzzy Based Unified Power Quality Conditioner for Power Quality Improvement Fed Induction Motor Drive." IAES International Journal of Artificial Intelligence (IJ-AI) 4, no. 1 (2015): 1. http://dx.doi.org/10.11591/ijai.v4.i1.pp1-7.

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The unified power quality conditioner (UPQC) plays an important role in the constrained delivery of electrical power from source to an isolated pool of load or from a source to the grid. In this paper presents neuro fuzzy based unified power quality conditioner. The series converter is used to compensate voltage sag/swell compensation. The shunt converter is used to compensate reactive power compensation present in the linear and nonlinear load. The performance of neuro fuzzy and with artificial neural network controller is compared. This approach eliminates the total harmonic distortions effi

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Chelli, Z., R. Toufouti, A. Omeiri, and S. Saad. "Hysteresis Control for Shunt Active Power Filter under Unbalanced Three-Phase Load Conditions." Journal of Electrical and Computer Engineering 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/391040.

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This paper focuses on a four-wire shunt active power filter (APF) control scheme proposed to improve the performance of the APF. This filter is used to compensate harmonic distortion in three-phase four-wire systems. Several harmonic suppression techniques have been widely proposed and applied to minimize harmonic effects. The proposed control scheme can compensate harmonics and reactive power of the nonlinear loads simultaneously. This approach is compared to the conventional shunt APF reference compensation strategy. The developed algorithm is validated by simulation tests using MATLAB Simul

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Rahimi Pordanjani, Iraj, and Wilsun Xu. "Application of Channel Components Transform to design shunt reactive compensation for voltage stability improvement." International Journal of Electrical Power & Energy Systems 60 (September 2014): 59–66. http://dx.doi.org/10.1016/j.ijepes.2014.02.021.

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