SU752549A1 - Device for protecting three-phase bus-bars from interphase arc shortings - Google Patents

Device for protecting three-phase bus-bars from interphase arc shortings Download PDF

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Publication number
SU752549A1
SU752549A1 SU782619390A SU2619390A SU752549A1 SU 752549 A1 SU752549 A1 SU 752549A1 SU 782619390 A SU782619390 A SU 782619390A SU 2619390 A SU2619390 A SU 2619390A SU 752549 A1 SU752549 A1 SU 752549A1
Authority
SU
USSR - Soviet Union
Prior art keywords
protecting
shortings
bars
phase bus
interphase
Prior art date
Application number
SU782619390A
Other languages
Russian (ru)
Inventor
Корюн Карапетович Терзян
Original Assignee
За витель
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 by За витель filed Critical За витель
Priority to SU782619390A priority Critical patent/SU752549A1/en
Application granted granted Critical
Publication of SU752549A1 publication Critical patent/SU752549A1/en

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Description

симметрично над зазором между ними, на высоте, равной величине зазора, причем отрезки вспомогательных шин через резисторы соединены с одним из выводов катушки расцеиител , второй вывод которой соединен со средней шиной заш,ищаемой сети.symmetrically above the gap between them, at a height equal to the size of the gap, and the sections of the auxiliary bus are connected through resistors to one of the terminals of the dissolver coil, the second terminal of which is connected to the middle bus of the network being searched.

Источники информации, прин тые во внимание ири экспертизеSources of information taken into account

1.Н. В. Чернобровов. Релейна  зашита. М., «Энерги , 1974, с. 463.1.N. V. Chernobrovov. Relein is sewn up. M., “Energie, 1974, p. 463.

2.Авторское свидетельство СССР № 587525, кл. Н 01Н 77/10, 1976.2. USSR author's certificate number 587525, cl. H 01 H 77/10, 1976.

Claims (1)

Формула изобретенияClaim Устройство для защиты шин трехфазной сети от междуфазных дуговых замыканий, содержащее расцепитель и резисторы, отличающееся тем, что, с целью повышения надежности, оно снабжено вспомогательными шинами, отрезки которых расположены параллельно основным шинам и симметрично над зазором между ними, на высоте, равной величине зазора, причем отрезки вспомогательных шин через резисторы соединены с одним из выводов катушки расцепителя, второй вывод которой соединен со средней шиной защищаемой сети.A device for protecting busbars of a three-phase network from interphase arc faults, containing a trip unit and resistors, characterized in that, in order to increase reliability, it is equipped with auxiliary buses, the segments of which are parallel to the main buses and symmetrically above the gap between them, at a height equal to the gap moreover, the segments of auxiliary tires are connected through resistors to one of the terminals of the trip coil, the second terminal of which is connected to the middle bus of the protected network.
SU782619390A 1978-05-25 1978-05-25 Device for protecting three-phase bus-bars from interphase arc shortings SU752549A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU782619390A SU752549A1 (en) 1978-05-25 1978-05-25 Device for protecting three-phase bus-bars from interphase arc shortings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU782619390A SU752549A1 (en) 1978-05-25 1978-05-25 Device for protecting three-phase bus-bars from interphase arc shortings

Publications (1)

Publication Number Publication Date
SU752549A1 true SU752549A1 (en) 1980-07-30

Family

ID=20766211

Family Applications (1)

Application Number Title Priority Date Filing Date
SU782619390A SU752549A1 (en) 1978-05-25 1978-05-25 Device for protecting three-phase bus-bars from interphase arc shortings

Country Status (1)

Country Link
SU (1) SU752549A1 (en)

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