title: ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÐµÐ¿Ð»Ð¾Ð²Ð¾Ð³Ð¾ ÑÐµÐ¶Ð¸Ð¼Ð° ÐºÐ¾Ð½ÑÐ°ÐºÑÐ½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð²Ð°ÐºÑÑÐ¼Ð½Ð¾Ð³Ð¾ Ð²ÑÐºÐ»ÑÑÐ°ÑÐµÐ»Ñ 10ÐºÐ-20ÐºÐ/1000Ð Ñ ÑÐ°Ð´Ð¸Ð°Ð»ÑÐ½ÑÐ¼ Ð¼Ð°Ð³Ð½Ð¸ÑÐ½ÑÐ¼ Ð¿Ð¾Ð»ÐµÐ¼ Ð² Ð½Ð¾Ð¼Ð¸Ð½Ð°Ð»ÑÐ½Ð¾Ð¼ ÑÐµÐ¶Ð¸Ð¼Ðµ ÑÐ°Ð±Ð¾ÑÑ
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: Research of the thermal mode of the contact system of the vacuum circuit breaker 10 kV-20 kA / 1000A with a radial magnetic field in the nominal mode of operation
Creators: name: Ð¡Ð¾ÑÐ¾ÑÐ±Ð°ÑÐ°Ð¼, Ð¡Ð°ÑÑÑÐ»
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: Ð²Ð°ÐºÑÑÐ¼Ð½ÑÐ¹ Ð²ÑÐºÐ»ÑÑÐ°ÑÐµÐ»Ñ
Ð²Ð°ÐºÑÑÐ¼Ð½Ð°Ñ Ð´ÑÐ³Ð¾Ð³Ð°ÑÐ¸ÑÐµÐ»ÑÐ½Ð°Ñ ÐºÐ°Ð¼ÐµÑÐ°
ÑÐµÐ¿Ð»Ð¾Ð²Ð¾Ð¹ ÑÐµÐ¶Ð¸Ð¼
ÐºÐ¾Ð½ÑÐ°ÐºÑÐ½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð°
ÑÐ°Ð´Ð¸Ð°Ð»ÑÐ½Ð¾Ðµ Ð¼Ð°Ð³Ð½Ð¸ÑÐ½Ð¾Ðµ Ð¿Ð¾Ð»Ðµ
Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
vacuum circuit breaker
vacuum arc-extinguishing chamber
thermal mode
contact system
radial magnetic field
mathematical modeling

description: ÐÐ°Ð´Ð°ÑÐµÐ¹ ÑÐ°Ð±Ð¾ÑÑ ÑÐ²Ð»ÑÐµÑÑÑ Ð¸ÑÑÐ»ÐµÐ´oÐ²aÐ½Ð¸e ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ñ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÑ ÐºÐ¾Ð½ÑÐ°ÐºÑÐ½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð²Ð°ÐºÑÑÐ¼Ð½Ð¾Ð³Ð¾ Ð²ÑÐºÐ»ÑÑÐ°ÑÐµÐ»Ñ 10 ÐºÐ - 20 ÐºÐ/1000 Ð Ñ ÑÐ°Ð´Ð¸Ð°Ð»ÑÐ½ÑÐ¼ Ð¼Ð°Ð³Ð½Ð¸ÑÐ½ÑÐ¼ Ð¿Ð¾Ð»ÐµÐ¼ Ð¿ÑÐ¸ Ð½Ð¾Ð¼Ð¸Ð½Ð°Ð»ÑÐ½Ð¾Ð¼ ÑÐµÐ¶Ð¸Ð¼Ðµ ÑÐ°Ð±Ð¾ÑÑ Ð¸ ÑÐ°ÑÑÐµÑ Ð²ÑÐ´ÐµÐ»ÑÐµÐ¼Ð¾Ð¹ Ð¼Ð¾ÑÐ½Ð¾ÑÑÐ¸. Ð ÑÐ¾Ð´Ðµ ÑÐ°Ð±Ð¾ÑÑ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð¾Ð±ÑÐ°Ñ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ñ Ð²Ð°ÐºÑÑÐ¼Ð½Ð¾Ð³Ð¾ Ð²ÑÐºÐ»ÑÑÐ°ÑÐµÐ»Ñ ÑÑÐµÐ´Ð½ÐµÐ³Ð¾ Ð½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ñ, Ð²Ð°ÐºÑÑÐ¼Ð½Ð¾Ð¹ Ð´ÑÐ³Ð¾Ð³Ð°ÑÐ¸ÑÐµÐ»ÑÐ½Ð¾Ð¹ ÐºÐ°Ð¼ÐµÑÑ Ð¸ ÐµÑ Ð¿ÑÐ¸Ð½ÑÐ¸Ð¿ ÑÐ°Ð±Ð¾ÑÑ. ÐÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ ÑÐ¸Ð·Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¿ÑÐ¾ÑÐµÑÑÑ Ð³Ð°ÑÐµÐ½Ð¸Ñ Ð´ÑÐ³Ð¸ Ð² Ð²Ð°ÐºÑÑÐ¼Ð½ÑÑ Ð´ÑÐ³Ð¾Ð³Ð°ÑÐ¸ÑÐµÐ»ÑÐ½ÑÑ ÐºÐ°Ð¼ÐµÑÐ°Ñ. Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ ÑÐ¾ÑÐ¼Ñ ÑÑÑÑÐºÑÑÑ ÐºÐ¾Ð½ÑÐ°ÐºÑÐ½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ñ Ð°ÐºÑÐ¸Ð°Ð»ÑÐ½ÑÐ¼ Ð¸ ÑÐ°Ð´Ð¸Ð°Ð»ÑÐ½ÑÐ¼ Ð¼Ð°Ð³Ð½Ð¸ÑÐ½ÑÐ¼ Ð¿Ð¾Ð»ÐµÐ¼, Ð²Ð¾Ð·Ð½Ð¸ÐºÐ°ÑÑÐ¸Ð¼ Ð² ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐµ Ð¿ÑÐ¾ÑÐµÐºÐ°ÑÑÐµÐ³Ð¾ ÑÐ¾ÐºÐ° Ð¿Ð¾ ÑÐ°Ð¼Ð¾Ð¼Ñ ÐºÐ¾Ð½ÑÐ°ÐºÑÑ. ÐÑÐ¸Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ ÐºÐ¾Ð½ÑÐ°ÐºÑÐ½ÑÑ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð¾Ð² Ð¸ ÑÐ°Ð·Ð¼ÐµÑÐ¾Ð² ÐºÐ¾Ð½ÑÐ°ÐºÑÐ¾Ð². Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ ÑÐµÐ¾ÑÐ¸Ð¸ ÑÐµÐ¿Ð»Ð¾Ð¿ÐµÑÐµÐ´Ð°ÑÐ¸ Ð·Ð° ÑÑÐµÑ ÑÐµÐ¿Ð»Ð¾Ð¿ÑÐ¾Ð²Ð¾Ð´Ð½Ð¾ÑÑÑ Ð¸ Ð¸Ð·Ð»ÑÑÐµÐ½Ð¸Ðµ Ð¸ Ð¸Ñ Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ. ÐÐ¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð° ÐºÐ¾Ð½ÑÐ°ÐºÑÐ½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð° Ð² ÑÑÐµÐ´Ðµ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ñ Â«COMSOL MultiphysicsÂ». ÐÑÐ¸Ð²ÐµÐ´ÐµÐ½Ñ ÐºÐ°ÑÑÐ¸Ð½Ñ Ð³ÐµÐ¾Ð¼ÐµÑÑÐ¸Ð¸ ÐºÐ¾Ð½ÑÐ°ÐºÑÐ½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¸ ÐµÑ ÑÐµÑÐºÐ¸. ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¾ ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ðµ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÑ ÐºÐ¾Ð½ÑÐ°ÐºÑÐ½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¿ÑÐ¸ ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ ÐºÐ¾ÑÑÑÐ¸ÑÐµÐ½ÑÐ°Ñ ÑÐµÐ¿Ð»Ð¾Ð¿ÑÐ¾Ð²Ð¾Ð´Ð½Ð¾ÑÑÐ¸ Ð¸ ÑÐ°ÑÑÑÐ¸ÑÐ°Ð½Ð° Ð²ÑÐ´ÐµÐ»ÑÐµÐ¼ÑÐµ Ð¼Ð¾ÑÐ½Ð¾ÑÑÐ¸ Ð·Ð° ÑÑÐµÑ ÑÐµÐ¿Ð»Ð¾Ð¿ÑÐ¾Ð²Ð¾Ð´Ð½Ð¾ÑÑÑ ÑÐµÑÐµÐ· ÑÐ¾ÐºÐ¾Ð¿Ð¾Ð´Ð²Ð¾Ð´ Ð¸ Ð¸Ð·Ð»ÑÑÐµÐ½Ð¸Ðµ ÑÐµÑÐµÐ· Ð²Ð°ÐºÑÑÐ¼.
description: The task of the work is to study the temperature distribution of the contact system of a 10 kV - 20 kA / 1000 A vacuum circuit breaker with a radial magnetic field at a nominal operating mode and to calculate the power released. In the course of the work, the general design of a medium voltage vacuum circuit breaker, a vacuum interrupter and its principle of operation were considered. The physical processes of arc extinguishing in vacuum arc-extinguishing chambers are presented. The shapes of the structures of a contact system with an axial and radial magnetic field arising as a result of the current flowing through the contact itself are considered. An analysis of various contact materials and contact sizes is provided. Theories of heat transfer due to heat conduction and radiation and their mathematical representation are considered. A contact system is modelled in the COMSOL Multiphysics software environment. Pictures of the geometry of the contact system and its mesh are presented. The temperature distribution of the contact system is investigated at various coefficients of thermal conductivity and the power released due to thermal conductivity through a current lead and radiation through a vacuum is calculated.