title: Ð­Ð»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ°Ñ ÑÐ°ÑÑÑ Ð¢Ð­Ð¦ ÐÐ Â«ÐÐ¿Ð°ÑÐ¸ÑÂ»
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: Electrical part of CHPP JSC "Apatit"
Creators: name: ÐÑÐ»Ð¸Ð½, ÐÐ¸ÑÐ¸Ð»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: Ð¢ÐµÐ¿Ð»Ð¾Ð²ÑÐµ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÑÐ°Ð½ÑÐ¸Ð¸
Ð­Ð»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð°Ð¿Ð¿Ð°ÑÐ°ÑÑ Ð¸ Ð¿ÑÐ¸Ð±Ð¾ÑÑ
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Ð­Ð»ÐµÐºÑÑÐ¾Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ð¸
Ð¢Ð¾ÐºÐ¸ ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ð³Ð¾ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ñ

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description: In this work, the choice of the scheme of power output of the thermal power plant of the chemical enterprise JSC "Apatit" is given. The calculation of short-circuit currents has been made. On the basis of the data obtained, electrical devices, live parts were selected; the calculation of the success of self-starting of auxiliary motors and the starting time of the most powerful electric motor was made. Special attention is paid to the issues of constructing power supply circuits using redundancy of power supplies. A variant of the structural diagram of the main switchgear - 10kV and switchgear - 6/10 / 220kV has been determined. The technical and economic calculations were carried out, on the basis of which the second option was chosen - the Scheme of seven parts of 10 kV main switchgear and four parts of switchgear - 6/10/220 kV. The GPP uses a scheme with one sectioned busbar system. When choosing reserve transformers for auxiliary needs, a comparative calculation of two types with a capacity of 4 MVA and 2.5 MVA was carried out. The selected transformer TM-4000/10/6 â85U1. The main criterion is the short-circuit voltage. Drawings of the plan, section and filling scheme of the outdoor switchgear open switchgear - 220 kV, auxiliaries schemes, the main power supply scheme of JSC "Apatit" were developed.