Results 41 to 50 of about 1,635,837 (95)
A coupling voltage based adaptive reclosing scheme for flexible DC grid
, 2023 The total electric field around the DC line is composed of both the ion flow field produced by coronae and the electrostatic field produced by the conductor charge.
Shuo Zhang +3 more
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IET Electric Power Applications, Volume 18, Issue 7, Page 739-755, July 2024.In order to address the problem of CT saturation, a novel measurement‐protection‐integrated current transformer (MPICT) is proposed. To verify the feasibility and effectiveness of the MPICT, a series of theoretical analyses, 3D FEM simulations and laboratory tests are conducted.
Zhexuan Zhang +4 more
wiley +1 more source
Development of a Leader-End Reclosing Algorithm Considering Turbine-Generator Shaft Torque
, 2017 High-speed auto-reclosing is used in power system protection schemes to ensure the stability and reliability of the transmission system; leader-follower auto-reclosing is one scheme type that is widely used.
Chul-Hwan Kim +6 more
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An Analysis of Optimal Reclosing for Enhancement of Transient Stability [PDF]
, 2003 In a power system, the auto-reclosing schemes are applied in order to enhance the transient stability. However, conventional auto-reclosing techniques adopt fixed time interval reclosing, that is, the circuit breakers reclose after a prescribed dead time.
矢神, 雅規 +2 more
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Development of a model of the alpha/beta 765kV line for the evaluation of auto-reclosing. [PDF]
, 2009 Thesis (M.Sc.)-University of KwaZulu-Natal, Durban, 2009.The intention of this dissertation is to determine, on the Eskom system, if the pre-insertion closing resistors installed on the Alpha-Beta 765 kV line breakers are preventing overvoltages from ...
Van Heerden, Peter Robert.
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The traditional auto-reclosing (AR) method based on fixed time delay cannot avoid blind reclosing on permanent faults. Moreover, with the increasing penetration of inverter interfaced distribution generations (IIDG) in the active distribution networks ...
Jinglei Deng +5 more
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IET Generation, Transmission & Distribution, 2017 This study presents a non‐communication based algorithm for detection of secondary arc extinction for adaptive single phase auto‐reclosing of transmission lines. The algorithm is based on the behaviour pattern of the faulted phase voltage magnitude (VM) measured at the near end of the line.
Sadegh Jamali, Arman Ghaderi Baayeh
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A feasibility study of an adaptive reclosing relay
, 2012 Logic for an adaptive reclosing relay has been developed. The relay works correctly in a wide number of fault cases. The relay has the following distinguishing characteristics : (a) Reclosing into a three phase fault is avoided under all circumstances.
Vaidyanathan, Sundararaman
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An auto-reclosing scheme for DC circuit breaker in VSC-HVDC transmission system
, 2019 When a DC line fault happens, the converter will be blocked instantly. This leads to an interruption of power transmission and influences the stability of DC and AC systems.
Yuhong Wang +3 more
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TRANSIENT STABILITY IMPROVEMENT OF EHV POWER TRANSMISSIONS BY ADAPTIVE SINGLE-POLE RECLOSING [PDF]
, 1985 Some special aspects of the stability properties of EHV power transmissions are pointed out in the introduction, followed by a more detailed analysis of the impact of single-pole short circuits and automatic reclosing.
Rácz, László
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