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titleType: Subtitle
title: Development of metology of scort-circuit modes calculation on the terminals of a powerful synchronous generator
Creators: name: ÐÐ°Ð·Ð½Ð¸ÑÐµÐ½ÐºÐ¾, ÐÐºÐ°ÑÐµÑÐ¸Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: ÐÐµÐ½ÐµÑÐ°ÑÐ¾ÑÑ ÑÐ¸Ð½Ñ ÑÐ¾Ð½Ð½ÑÐµ
ÐºÐ· Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ°
Ð°Ð¿ÐµÑÐ¸Ð¾Ð´Ð¸ÑÐµÑÐºÐ°Ñ ÑÐ¾ÑÑÐ°Ð²Ð»ÑÑÑÐ°Ñ
Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ½ÑÐ¹ Ð²ÑÐºÐ»ÑÑÐ°ÑÐµÐ»Ñ
Ð¿ÑÐ¾Ð´Ð¾Ð»ÑÐ½Ð¾-Ð½Ð°Ð¼Ð°Ð³Ð½Ð¸ÑÐ¸Ð²Ð°ÑÑÐ°Ñ ÑÐµÐ°ÐºÑÐ¸Ñ ÑÐºÐ¾ÑÑ
Ð·Ð°Ð´ÐµÑÐ¶ÐºÐ° Ð½ÑÐ»Ñ ÑÐ¾ÐºÐ°
generator short-circuit
aperiodic component
generator switch
armature longitudinal-magnetic response
zero current delay

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description: Subject matter of the graduate qualification work: "Development ofÂ methodology of short-circuit modes calculation on the terminals of a powerful synchronous generator". The aim of master's dissertation is to study transients at short circuit of power synchronous turbine generator TVV-1000-4UZ which can be used for development of generator circuit breakers of power generating units.In the process of research the following tasks were performed: 1.Â We developed the model of TVV-1000-4UZ generator in software package COMSOL Multiphisics and we initiated three-phase short-circuit in the generator stator winding; 2. the changes of magnetic fields during transient process, characteristics ofÂ short-circuit currents were revealed; 3.Â Recommendations for limitation of aperiodic component of short-circuit current have been developed. The study was conducted for a power unit that consists of a generator, generator circuit breaker, unit step-up transformer, transmission line and power system. As a result of the study, a method of limiting the aperiodic component of the short-circuit current using circuit breakers with preswitched resistors was proposed and the effectiveness of this method was show.