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首页> 外文期刊>Electric Power Systems Research >Large asynchronous hydro generating systems connected to TCSC compensated transmission lines (Simulation with experimental validation): A review on SSO perspectives
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Large asynchronous hydro generating systems connected to TCSC compensated transmission lines (Simulation with experimental validation): A review on SSO perspectives

机译:Large asynchronous hydro generating systems connected to TCSC compensated transmission lines (Simulation with experimental validation): A review on SSO perspectives

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? 2023 Elsevier B.V.Hydropower is a leading energy resource amongst the world's renewable energy capacities. According to the International Hydropower Association Status Report 2018, hydropower contributes 16.4 of total electricity production. To achieve proficient generation in the arena of the hydropower sector, a widespread design with recent trends and developments in technology is obligatory. Asynchronous machines are now extensively used in non-conventional energy resources due to their reduced cost and size, ruggedness in performance, ease of maintenance, partly rated power converter interface, and intrinsic short-circuit and overload protection. Asynchronous machines of large capacity (e.g. 250 MW) need further research to address redundancy in converter control circuits and also to identify the amount of compensation in transmission lines in view of variable speed of operation. This paper provides a comprehensive review on Sub Synchronous Oscillation (SSO) in large asynchronous machines connected to high voltage transmission lines with Thyristor Controlled Series Capacitor (TCSC). Methodologies used for SSO analysis are discussed. A simulation of a 250 MW doubly fed induction machine (DFIM) based on a hydropower system with a series-compensated transmission line is carried out in MATLAB/Simulink. A hardware prototype of a 2.2 kW DFIM system is used to test the results. Further, the state-of-the-art SSO reduction methods are discussed with their benefits and drawbacks.

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