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首页> 外文期刊>IEEE Transactions on Energy Conversion >Effect of adaptive single-pole reclosing on the stochastic behavior of turbine-generator shaft torsional torques
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Effect of adaptive single-pole reclosing on the stochastic behavior of turbine-generator shaft torsional torques

机译：自适应单极重合闸对涡轮发电机轴扭矩随机行为的影响

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摘要

This paper presents a Monte Carlo based approach to evaluate of the maximum torsional torques induced in turbine-generator shafts during high-speed reclosing of system faults. Two reclosing schemes were considered, namely simultaneous and adaptive reclosing. In the case of a single line-to-ground fault, single-pole reclosing is considered in clearing such a fault. In this context, investigations have been conducted on a large turbine-generator model taking into consideration the uncertainty of several factors associated with the practical operation of a power system. The effect of employing adaptive single-pole reclosing on the expected maximum torsional torques as well as their variances have also been investigated. A risk index which reflects the likelihood that the torque induced in a turbine-generator shaft exceeds its design value is also presented.
机译：本文提出了一种基于蒙特卡洛的方法，用于评估系统故障的高速重合闸期间，涡轮发电机轴中产生的最大扭矩。考虑了两种重合闸方案，即同时重合和自适应重合闸。在单线接地故障的情况下，考虑清除单极重合闸。在这种情况下，已经对大型涡轮发电机模型进行了研究，其中考虑了与电力系统实际运行相关的若干因素的不确定性。还研究了采用自适应单极重合闸对预期最大扭转转矩及其方差的影响。还提出了一个风险指数，该指数反映了涡轮发电机轴中感应的扭矩超过其设计值的可能性。

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