Dynamic voltage restorer (DVR) enhancement in power quality mitigation with an adverse impact of unsymmetrical faults
Electric power transmission networks; Power quality; Steel beams and girders; Transient analysis; Voltage regulators; Distribution lines; Dynamic voltage restorers; Grid systems; Microgrid; Photovoltaic grids; Power systems stability; Quality issues; Renewable energies; Severe weather; Unsymmetrical...
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2023
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my.uniten.dspace-269322023-05-29T17:37:55Z Dynamic voltage restorer (DVR) enhancement in power quality mitigation with an adverse impact of unsymmetrical faults Farooqi A. Othman M.M. Radzi M.A.M. Musirin I. Noor S.Z.M. Abidin I.Z. 57194339208 35944613200 57202803173 8620004100 16022920600 35606640500 Electric power transmission networks; Power quality; Steel beams and girders; Transient analysis; Voltage regulators; Distribution lines; Dynamic voltage restorers; Grid systems; Microgrid; Photovoltaic grids; Power systems stability; Quality issues; Renewable energies; Severe weather; Unsymmetrical faults; Energy efficiency Solar grid systems are widely used especially in remote locations where electricity accessibility from the grid is limited. The major issue frequently encountered in microgrid-connected photovoltaic (PV) systems are voltage overshoots, transient response and steady state errors causing instability of microgrid during unsymmetrical temporary faults in the distribution network and damages the sensitive loads. PV-grid solely depends on solar hours per day and is not reliable at location with variable weather conditions. Therefore, the generated power per day is reduced as per daily demand and would create power quality issues in a distribution line. Additionally, the PV-grid system exposed to weather experiences unsymmetrical faults due to severe weather conditions that affects the reliability of the grid and electricity supplies. This study presents a technique to enhance the stability of microgrid by using dynamic voltage restorer in a three-phase grid connected system to mitigate power quality issues arising from PV-grid side in a harsh weather condition. The most significant extreme weather conditions such as thunderstorms and high winds are potential causes affecting the instability of transmission network by generating faults such as double line-to-ground, single line-to-ground, lightning strike or impulse transients, and power outage in a distribution line. The proposed technique enhances the transient stability of microgrid and provides symmetrical operating conditions for the load. The control mechanism extracts the fault signal and stabilize the error signal. In the proposed configuration, hysteresis-band PWM generator drives the inverter with the PV based battery storage system connected at DC-Link. The simulation results are verified by using IEEE519 standards limits in four case studies to mitigate power quality issues arising due to severe weather conditions by injecting compensating voltage to protect load and act as microgrid in case of power outage. � 2021 The Author(s) Final 2023-05-29T09:37:54Z 2023-05-29T09:37:54Z 2022 Article 10.1016/j.egyr.2021.11.147 2-s2.0-85120473060 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85120473060&doi=10.1016%2fj.egyr.2021.11.147&partnerID=40&md5=804ea156fbd562a39884267a4cba8e17 https://irepository.uniten.edu.my/handle/123456789/26932 8 871 882 All Open Access, Gold Elsevier Ltd Scopus |
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| description |
Electric power transmission networks; Power quality; Steel beams and girders; Transient analysis; Voltage regulators; Distribution lines; Dynamic voltage restorers; Grid systems; Microgrid; Photovoltaic grids; Power systems stability; Quality issues; Renewable energies; Severe weather; Unsymmetrical faults; Energy efficiency |
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57194339208 |
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57194339208 Farooqi A. Othman M.M. Radzi M.A.M. Musirin I. Noor S.Z.M. Abidin I.Z. |
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Article |
| author |
Farooqi A. Othman M.M. Radzi M.A.M. Musirin I. Noor S.Z.M. Abidin I.Z. |
| spellingShingle |
Farooqi A. Othman M.M. Radzi M.A.M. Musirin I. Noor S.Z.M. Abidin I.Z. Dynamic voltage restorer (DVR) enhancement in power quality mitigation with an adverse impact of unsymmetrical faults |
| author_sort |
Farooqi A. |
| title |
Dynamic voltage restorer (DVR) enhancement in power quality mitigation with an adverse impact of unsymmetrical faults |
| title_short |
Dynamic voltage restorer (DVR) enhancement in power quality mitigation with an adverse impact of unsymmetrical faults |
| title_full |
Dynamic voltage restorer (DVR) enhancement in power quality mitigation with an adverse impact of unsymmetrical faults |
| title_fullStr |
Dynamic voltage restorer (DVR) enhancement in power quality mitigation with an adverse impact of unsymmetrical faults |
| title_full_unstemmed |
Dynamic voltage restorer (DVR) enhancement in power quality mitigation with an adverse impact of unsymmetrical faults |
| title_sort |
dynamic voltage restorer (dvr) enhancement in power quality mitigation with an adverse impact of unsymmetrical faults |
| publisher |
Elsevier Ltd |
| publishDate |
2023 |
| _version_ |
1806423502252670976 |