SU936204A1 - Device for automatic compensation for single-phase fault-to-earth current and voltage - Google Patents

Device for automatic compensation for single-phase fault-to-earth current and voltage Download PDF

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Publication number
SU936204A1
SU936204A1 SU802912279A SU2912279A SU936204A1 SU 936204 A1 SU936204 A1 SU 936204A1 SU 802912279 A SU802912279 A SU 802912279A SU 2912279 A SU2912279 A SU 2912279A SU 936204 A1 SU936204 A1 SU 936204A1
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SU
USSR - Soviet Union
Prior art keywords
voltage
automatic compensation
phase fault
earth current
phase
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Application number
SU802912279A
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Russian (ru)
Inventor
Дмитрий Николаевич Степанчук
Алексей Андреевич Чупайленко
Виктор Николаевич Задирака
Original Assignee
Донецкий Ордена Трудового Красного Знамени Политехнический Институт
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Priority to SU802912279A priority Critical patent/SU936204A1/en
Application granted granted Critical
Publication of SU936204A1 publication Critical patent/SU936204A1/en

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Description

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Изобретение относитс  к электротехнике , в частности к автоматическим устройствам компенсации тЬка замыкани  на землю, и предназначено дл  использовани  в первую очередь в шахтных высоковольтных кабельных сет х, специфика эксплуатации которых требует повышенной безопасности работы компенсированной сети.The invention relates to electrical engineering, in particular to automatic devices for compensation of earth fault, and is intended primarily for use in mine high-voltage cable networks, the specifics of operation of which require increased safety of operation of the compensated network.

Известно устройство дл  автоматической компенсации тока замыкани  на землю, состо щее из дугогас щего реактора, блока выбора напр жени , однофазного трансформатора, первична  обмотка которого подключена к выходу блока выбора напр жени , а вторична  обмотка служит дл  подключени  к нейтрали сети, а также трехфазного трансформатора, две группы вторичных обмоток которого соединены по схеме зигзаг и подключены к выходу блока выбора напр жени , а первична  обмотка служит дл  подключени  на напр жени  .A device is known for automatically compensating a ground fault current consisting of an arcing reactor, a voltage selection unit, a single-phase transformer, the primary winding of which is connected to the output of the voltage selection unit, and the secondary winding is used to connect to the mains neutral, as well as a three-phase transformer , two groups of secondary windings of which are connected in a zigzag scheme and connected to the output of a voltage selection unit, and the primary winding is used for connecting to a voltage.

Известное устройство обладает р дом существенных недостатков, а именно: требуетс  два специальных трансформатора; устройство трудно поддаетс  автоматизации; низка  точность настройки; не компенсируетс  напр жение на поврежденной фазе; не обеспечиваетс  безопасность эксплуатации .The known device has a number of significant drawbacks, namely: two special transformers are required; the device is difficult to automate; low tuning accuracy; the voltage on the damaged phase is not compensated; safety is not ensured.

Claims (2)

1.Авторское свидетельство СССР № 559325, кл. Н 02 Н 9/08, 1977.1. USSR author's certificate number 559325, cl. H 02 H 9/08, 1977. 2.Музалевский А.А. Метод глубокого снижени  потенциала аварийной фазы относительно земли в электроустановках с изолированной нейтралью Уголь, 1978,И 8, с. 49-512.Muzalevsky A.A. The method of deep reduction of the potential of the emergency phase relative to the ground in electrical installations with an isolated neutral Coal, 1978, And 8, p. 49-51 frtfrnTnTHTTb.frtfrnTnTHTTb.
SU802912279A 1980-04-18 1980-04-18 Device for automatic compensation for single-phase fault-to-earth current and voltage SU936204A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU802912279A SU936204A1 (en) 1980-04-18 1980-04-18 Device for automatic compensation for single-phase fault-to-earth current and voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU802912279A SU936204A1 (en) 1980-04-18 1980-04-18 Device for automatic compensation for single-phase fault-to-earth current and voltage

Publications (1)

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SU936204A1 true SU936204A1 (en) 1982-06-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2798464C1 (en) * 2022-12-20 2023-06-23 Федеральное государственное бюджетное образовательное учреждение высшего образования "ОРЛОВСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ имени И.С. ТУРГЕНЕВА" (ОГУ им. И.С. Тургенева) Method for automatic elimination of overvoltage in the event of a single-phase ground fault in an electrical network with an isolated neutral

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2798464C1 (en) * 2022-12-20 2023-06-23 Федеральное государственное бюджетное образовательное учреждение высшего образования "ОРЛОВСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ имени И.С. ТУРГЕНЕВА" (ОГУ им. И.С. Тургенева) Method for automatic elimination of overvoltage in the event of a single-phase ground fault in an electrical network with an isolated neutral

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