SU409336A1 - DEVICE FOR CENTRALIZED SELF-ADJUSTING REMOTE PROTECTION - Google Patents

DEVICE FOR CENTRALIZED SELF-ADJUSTING REMOTE PROTECTION

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Publication number
SU409336A1
SU409336A1 SU1715568A SU1715568A SU409336A1 SU 409336 A1 SU409336 A1 SU 409336A1 SU 1715568 A SU1715568 A SU 1715568A SU 1715568 A SU1715568 A SU 1715568A SU 409336 A1 SU409336 A1 SU 409336A1
Authority
SU
USSR - Soviet Union
Prior art keywords
remote protection
centralized self
adjusting remote
resistance
relay
Prior art date
Application number
SU1715568A
Other languages
Russian (ru)
Inventor
И. Дудаш И.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to SU1715568A priority Critical patent/SU409336A1/en
Application granted granted Critical
Publication of SU409336A1 publication Critical patent/SU409336A1/en

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Description

1one

Изобретение относптс  к области релейной защиты линий от междуфазных коротких замыканий.The invention relates to the field of relay protection of lines against phase-to-phase short circuits.

Известны устройства защиты, выполненные по принципу замера сопротивлени  до -места короткого замыкани , содержащие измерительные трансформаторы тока и напр жени , реле сопротивлени  с автотрансформатором напр жени , пусковые реле, последовательно соединенные трансреакторы, выпр мительные блоки, индикатор наибольщего напр жени , усилительный блок и блок тиристорных выключателей.Protection devices are known that are made on the principle of measuring resistance to short-circuit location, containing measuring current and voltage transformers, resistance relays with a voltage autotransformer, starting relays, transreactors connected in series, rectifying units, indicator of greatest voltage, amplifying unit and unit thyristor switches.

Целью изобретени   вл етс  использование одного реле (комплекта) сопротивлени  дл  защиты п линий, питающихс  от одной секции щин, например дл  защиты коротких линий 6-10 «в, где простыми токовыми отсечками нельз  добитьс  селективности действи  и чувствительности.The aim of the invention is to use a single relay (set) of resistance to protect n lines fed from one section of women, for example to protect short lines of 6-10 "V, where simple current cut-offs cannot achieve selectivity of action and sensitivity.

Поставленна  цель достигаетс  тем, что токова  обмотка реле подключена к трансформаторам тока в цепи ввода подстанции, а к секци м грубой и точной регулировки автотрансформатора напр жени  реле сопротивлени  подсоединены через выпр мительные мосты ВЫХОДЫ блока тиристорных выключателей .The goal is achieved by the fact that the relay coil current is connected to current transformers in the substation input circuit, and to the coarse and fine adjustment sections of the autotransformer the voltage of the resistance relay is connected via rectifying bridges of the OUTPUTS of the thyristor switches.

На чертеже представлена блок-схема устройства дл  централизованной самонастраивающейс  дистанционной защиты.The drawing shows a block diagram of a device for centralized self-adjusting distance protection.

Обмотка трансреактора реле сопротивлени  подключена ко .вторичной обмотке-трансформатора тока ввода. Пусковые .то-ковые реле 1РТа-пРТа, IPTc-пРТс и про лежуточиые трансреакторы ITxa, ITxc-пТха,, пТхс подсоединены ко вторичной обмотке-трг(Н;сформаторов тока отход щих линий. Кромб: гтого,The transreactor winding of the resistance relay is connected to the secondary winding of the input current transformer. Start-up relays 1PTa-PRTa, IPTc-PRTs and transient reactors ITxa, ITxc-pTHa ,, pTHS are connected to the secondary winding-trg (N; current formers of outgoing lines. Cromb: goto,

устройство содержит выпр мительный блок ВБ, блок индикатора наи-больщего нйпр жепи  параллельного действи  ИНН, усилительный блок УБ и блок тиристорных выключателей БТВ.The device contains a rectifying block WB, a block of the indicator of the greatest parallel parallel action of the INN, an amplifying block UB and a block of thyristor switches BTV.

Автотрансформатор Тр реле сопротивлени  PC подключен к трансфюрматору нап-|) жени  ТН секции шин. Обмотка I автотрансформатора Тр имеет отпайки от 10 до 90% через 10%, а обмотка II имеет отпайки от ОThe autotransformer Tr of the relay of resistance PC is connected to the transformer for directing the bus section TN | Winding I autotransformer Tr has taps from 10 to 90% after 10%, and winding II has taps from O

до 9,5% через каждые 0,5%.up to 9.5% every 0.5%.

В нормальном режиме пусковые реле 1РТа, IPTc, пРТа, пРТс не работают. Вторичные напр жени  с трансреакторОБ ITxa, ITxc-In normal mode, start relays 1PTa, IPTc, pRTa, pRTs do not work. Secondary voltages with transreactor ITxa, ITxc-

пТха, Птхс и промежуточного трансформатора ТВ .выпр мл ютс  выпр мительным бл-оком ВБ. Величина входного напр жени , поступающа  на вход ИНН с переменных резисторов IR, Шч, IRn, Rb, подобрана так, чтобы в нормальном режиме величина снимаемоptha, pths and intermediate transformer tv. vpr ml are rectified by block WB. The magnitude of the input voltage to the TIN input from the variable resistors IR, Hn, IRn, Rb is selected so that in normal mode the value is removable

SU1715568A 1971-11-17 1971-11-17 DEVICE FOR CENTRALIZED SELF-ADJUSTING REMOTE PROTECTION SU409336A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1715568A SU409336A1 (en) 1971-11-17 1971-11-17 DEVICE FOR CENTRALIZED SELF-ADJUSTING REMOTE PROTECTION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1715568A SU409336A1 (en) 1971-11-17 1971-11-17 DEVICE FOR CENTRALIZED SELF-ADJUSTING REMOTE PROTECTION

Publications (1)

Publication Number Publication Date
SU409336A1 true SU409336A1 (en) 1973-11-30

Family

ID=20493353

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1715568A SU409336A1 (en) 1971-11-17 1971-11-17 DEVICE FOR CENTRALIZED SELF-ADJUSTING REMOTE PROTECTION

Country Status (1)

Country Link
SU (1) SU409336A1 (en)

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