title: ÐÐ½Ð°Ð»Ð¸Ð· Ð¿ÐµÑÐµÐ½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ð¹ Ð² ÐºÐ°Ð±ÐµÐ»ÑÐ½Ð¾Ð¹ ÑÐµÑÐ¸ ÑÐ»ÐµÐºÑÑÐ¾ÑÐ½Ð°Ð±Ð¶ÐµÐ½Ð¸Ñ ÑÐµÐ»ÑÑÐºÐ¾Ñ Ð¾Ð·ÑÐ¹ÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÐ°Ð¹Ð¾Ð½Ð°
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: Analysis of over voltage in the cable power supply network of an agricultural area
Creators: name: ÐÑÐ»Ñ, ÐÐ°Ð½Ð¸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: 2020
Subjects: Ð¿ÐµÑÐµÐ½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ðµ
ÑÑÐ°Ð½ÑÑÐ¾ÑÐ¼Ð°ÑÐ¾ÑÑ
ÐºÐ°Ð±ÐµÐ»Ð¸ Ð¿ÐµÑÐµÐ´Ð°ÑÐ¸
PÐµÐºÐ»Ð¾ÑÐ·ÐµÑÑ
over-voltage
transformers
transmission cables
Reclosers

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description: The emergency of this work is due to the fact that overvoltage is still a big danger for the insulation of electrical equipment, which as a result causes fires and failure of electrical equipment, danger to personnel. Electrical impulses cause damage to power transmission cables and transformers when they affect them due to overvoltage on their main (phase isolation relative to the ground and other phases), as well as longitudinal (inter-turn, inter-layer and inter-turn) insulation. Lightning strikes on cables cause pulses on the equipment, which in turn causes a transient surge in transformers from one winding to another, when switching vacuum switches and reclosers. It can be seen from operating practice that significant damage occurs in 6-10 kV transformers connected to distribution cables due to overvoltage. These damages have a significant effect on the cost of production of electricity which intern reduces the number of people who can afford to use electricity due to the high cost of maintenance and production. The recommended surge protectors in this undergraduate thesis are designed to protect the substation system and distribution lines and as a result the cost of production and maintenance is greatly reduced with their introduction. They are equipped with transformers that distribute electricity to agricultural and rural consumer areas. This also ensures that the working personnel are protected from any harm that can be caused as a result of over voltages in the network.