异步电动机短路电流计算的数学建模

2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE) Pub Date : 2021-03-11 DOI:10.1109/REEPE51337.2021.9388065

Abdullo Majidov, S. Hafizov, Temirkhan Isaev, Rustamzhon Nortozhiev, M. Pashaev, Kamoldzhon Yuldashev

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引用次数: 0

摘要

本文以塔吉克斯坦共和国杜尚别有9台异步电动机的TPP(热电厂)1号辅助电气装置为例，从选择断路器瞬时动作释放设置的重要性出发，研究了所列因素对计算短路电流误差的影响。本文描述了一个在EMTP(电磁瞬变程序，法国Powersys)中开发的计算数学模型。提出了改进异步电动机短路计算时自动开关设置选择的计算方法。这项工作的结果可用于编制新版GOST 282049-93标准。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Mathematical Modeling of Asynchronous Motors for Calculating Short-Circuit Currents

In this paper investigates the influence of the listed factors on the error in calculating short-circuit currents from the point of view of their significance for choosing the settings of instant-action releases of circuit breakers using the example of an auxiliary electrical installation at TPP (Thermal Power Plant) #1 in Dushanbe, Republic of Tajikistan with nine asynchronous motors. The paper describes a computational mathematical model developed in the EMTP (ElectroMagnetic Transient Program, Powersys, France). The ways of improving the method of accounting for asynchronous motors when calculating a short circuit for choosing the settings of automatic switches are proposed. The results of the work can be used in the preparation of a new edition of the GOST 282049-93 standard.

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2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)

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