Results 11 to 20 of about 298,418 (266)
IEEE Access, 2022 Distributed Generations are usually connected to the ac grid through HVDC transmission systems. However, due to the current injected by the grid-side voltage source converter (GVSC), the voltage drop after a short-circuit fault will be partly compensated.
Jipu Gao +4 more
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Fault Studies and Distance Protection of Transmission Lines Connected to DFIG-Based Wind Farms
Applied Sciences, 2018 Doubly fed induction generator (DFIG) based wind farms are being increasingly integrated into power grids with transmission lines, and distance protection is usually used as either the main or the backup protection for the transmission line.
Bin Li, Junyu Liu, Xin Wang, Lili Zhao
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Improvement of Distance Protection with SVM on PV-Fed Transmission Lines in Infeed Conditions
Energies, 2023 Photovoltaic (PV) power plants have comparatively weak infeed characteristics, unlike conventional synchronous generators. The controllability of grid-connected inverters and the limited overcurrent capability of power electronic devices means that the ...
Yasar Beyazit Yoldas, Recep Yumurtacı
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IEEE Access, 2021 Thyristor controlled series compensation (TCSC) is widely used in long transmission lines to mainly improve power transfer capability. However, TCSC produces complicated impedance that negatively affects distance protection operation.
Ahmed Abdel Rahman Mohamed +2 more
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Impact of inverter-based resources on transmission line relaying -part II: power swing protection
Frontiers in Electronics, 2023 The power swing characteristic of transmission lines (TLs) can be affected by the large-scale integration of inverter-based resources (IBRs), resulting in the maloperation of the legacy power swing blocking (PSB) and out-of-step tripping (OST) functions.
Amin Jalilian, Duane A. Robinson
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A Setting Optimization Strategy for Distance Protection Ⅱ after Connection of Synchronous Condensers
Zhongguo dianli, 2022 The large-scale access of synchronous condensers (SCs) to the power grid will reduce the protection range of the distance protection section Ⅱ, and reasonable optimization of the protection setting is a feasible way to solve this problem. For this reason,
Dongsheng LI +4 more
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A Differential-Distance Protection-Based Algorithm for Securing Double-Circuit Transmission Lines Against False Data Injection Cyberattacks [PDF]
هوش محاسباتی در مهندسی برقNowadays, communication networks play a crucial role in the integrated management of power systems, improving operational conditions, and implementing protective algorithms.
Mohammad Amin Mazaheri +1 more
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Impact of Apparent Reactance Injected by TCSR on Distance Relay in Presence Phase to Earth Fault
Advances in Electrical and Electronic Engineering, 2013 This research paper presents the impact study of apparent reactance injected by series Flexible AC Transmission System (FACTS) i.e. Thyristor Controlled Series Reactor (TCSR) on the measured impedance of a 400 kV single electrical transmission line in ...
Mohamed Zellagui, Abdelaziz Chaghi
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The Journal of Engineering, 2019 Here, the response characteristics of high-voltage DC (HVDC) control system are studied in the case that fault occurs in the sending-end AC system. Then the characteristics of DC system which is equivalent to power-frequency variation impedance in the ...
Dongxiao Cai, Haifeng Li, Xinchi Zhu
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State-of-the-art on the protection of FACTS compensated high-voltage transmission lines: a review
High Voltage, 2018 In recent years, the inclusion of flexible AC transmission systems (FACTS)-based compensating devices such as a thyristor-controlled series capacitor (TCSC) and a unified power flow controller (UPFC) has been increased in high-voltage power transmission ...
Sauvik Biswas, Paresh Kumar Nayak
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