title: ÐÑÐ³Ð¾Ð³Ð°ÑÐ¸ÑÐµÐ»ÑÐ½Ð¾Ðµ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð¾ Ð´Ð»Ñ Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ½Ð¾Ð³Ð¾ Ð²ÑÐºÐ»ÑÑÐ°ÑÐµÐ»Ñ 140ÐºÐ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Auto-puffer arc chamber with heating volume for generator circuit breaker 140 kA
Creators: name: ÐÐ¾Ð»Ð¾Ð²ÑÐ°Ð½ÑÐºÐ¸Ð¹, ÐÐ³Ð¾Ñ
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: 2024
Subjects: ÐÑÐºÐ»ÑÑÐ°ÑÐµÐ»Ð¸
Ð°Ð±Ð»ÑÑÐ¸Ñ
Ð´ÐµÑÐ¾ÑÐ¼Ð°ÑÐ¸Ñ Ð¿ÑÐ¾ÑÐ¾ÑÐ½Ð¾Ð¹ ÑÐ°ÑÑÐ¸
Ð¾ÑÐºÐ»ÑÑÐ°ÑÑÐ°Ñ ÑÐ¿Ð¾ÑÐ¾Ð±Ð½Ð¾ÑÑÑ
ablation
arc chamber deformation
breaking capacity

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description: The tasks that were solved in the course of the work: 1. Analysis of the peculiarities of generator circuit breakers operation. 2. Development of mathematical and numerical model of the auto-puffer arc chamber with heating volume taking into account the chamber wall deformation due to the ablation effect. 3. Determination of empirical coefficients in the model of auto-puffer arc chamber with heating volume. 4. Modeling of the auto-puffer arc chamber with heating volume of the generator circuit breaker taking into account the deformation of the chamber wall due to the influence of ablation. In this paper, a mathematical and numerical model of the auto-puffer arc chamber with heating volume is created for modeling the processes occurring in it, taking into account the deformation of the wall of the arc chamber. The empirical coefficients of the model were determined on the basis of comparison of calculated and experimental data. As a result of modeling, the parameters characterizing the process of restoration of the contact gap strength were obtained. The switching capacity of the arc chamber and changes in the geometry of the flowing part were evaluated. The assumptions concerning the switching life of the circuit breaker were made.