title: Ð Ð°ÑÑÑÑ Ð½Ð°Ð´ÑÐ¶Ð½Ð¾ÑÑÐ¸ Ð²ÑÑÐ¾ÐºÐ¾Ð²Ð¾Ð»ÑÑÐ½ÑÑ Ð²ÑÐºÐ»ÑÑÐ°ÑÐµÐ»ÐµÐ¹ Ñ ÑÑÑÑÐ¾Ð¼ ÑÑ ÐµÐ¼Ñ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÐ¾ÐµÐ´Ð¸Ð½ÐµÐ½Ð¸Ð¹ ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»Ð¸ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Calculation of the reliability of high-voltage switches, taking into account the electrical connection scheme of the switchgear.
Creators: name: ÐÐ°ÑÑÐ¾Ð², ÐÑÑÑÑÐ»Ð»Ð¾
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: 2021
Subjects: ÑÐ°ÑÑÑÑ Ð½Ð°Ð´ÑÐ¶Ð½Ð¾ÑÑÐ¸
ÑÐ»ÑÑÑÐ°Ð·Ð²ÑÐºÐ¾Ð²Ð¾Ðµ
ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð¾
ÑÐ°ÑÑÐ¾ÑÐ° Ð¾ÑÐºÐ°Ð·Ð¾Ð²
ÑÐ¼ÐµÐ¶Ð½ÑÐµ Ð²ÑÐºÐ»ÑÑÐ°ÑÐµÐ»Ð¸
reliability calculation
ultrasonic device
failure rate
adjacent switches

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description: The purpose of this work was to calculate the reliability of high-voltage circuit breakers considering the circuit of electrical connections of the switchgear, to analyze existing models of circuit breakers failures, and to conduct an experimental study to assess the technical condition of ultrasonic devices. The research set the following goals: 1. Analysis of previously existing models of circuit breaker failures. 2. Performing calculations based on failure models and methods for calculating the reliability indicators of switches, considering the topology of the switchgear circuit. 3. Conducting an experimental study to assess the technical condition of the device with ultrasonic devices. A review and analysis of existing models of circuit breaker failures was conducted, as a result of which it became known that it is necessary to use a mathematical model taking into account the cause of failures when calculating the reliability of the switchgear circuit. The methods of calculating the reliability of switches taking into account the topology of the switchgear circuit are considered. The results of calculations for various switchgear circuits based on the switch failure model are presented, showing that the switchgear circuit has a significant impact on the reliability of switches. A study was also conducted to assess the technical condition of the device with ultrasound devices. The measured level and characteristic noise of defects according to the indications of the ultrasonic device made it possible to predict the development of further events and take measures to prevent malfunctions at an early stage of their development and avoid large technical and economic consequences.