RU93017907A - DEVICE FOR PROTECTION AGAINST ACCIDENTS RESPONDING TO EXCESSIVE VOLTAGE OF SMALL ACTIVITY - Google Patents

DEVICE FOR PROTECTION AGAINST ACCIDENTS RESPONDING TO EXCESSIVE VOLTAGE OF SMALL ACTIVITY

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Publication number
RU93017907A
RU93017907A RU93017907/07A RU93017907A RU93017907A RU 93017907 A RU93017907 A RU 93017907A RU 93017907/07 A RU93017907/07 A RU 93017907/07A RU 93017907 A RU93017907 A RU 93017907A RU 93017907 A RU93017907 A RU 93017907A
Authority
RU
Russia
Prior art keywords
conductors
protection
transformer
protection against
responding
Prior art date
Application number
RU93017907/07A
Other languages
Russian (ru)
Other versions
RU2076429C1 (en
Inventor
А.М. Костроминов
Л.П. Животиков
А.В. Муравьев
А.А. Андреев
Original Assignee
А.М. Костроминов
Л.П. Животиков
А.В. Муравьев
А.А. Андреев
Filing date
Publication date
Application filed by А.М. Костроминов, Л.П. Животиков, А.В. Муравьев, А.А. Андреев filed Critical А.М. Костроминов
Priority to RU93017907A priority Critical patent/RU2076429C1/en
Priority claimed from RU93017907A external-priority patent/RU2076429C1/en
Publication of RU93017907A publication Critical patent/RU93017907A/en
Application granted granted Critical
Publication of RU2076429C1 publication Critical patent/RU2076429C1/en

Links

Claims (1)

Устройство для защиты от аварий, реагирующее на избыточное напряжение малой длительности, относится к электротехнике, в частности к устройствам, обеспечивающим защиту элементов электроснабжения, подключенных к вторичной обмотке понижающего трансформатора, от перенапряжений малой длительности и высоких энергий, например возникающих при разряде молнии. Изобретение обеспечивает повышение надежности защиты. Для этого зажимы одного порогового блока подключены к высоковольтным разрядникам и заземлителю, а также к выводам вторичной обмотки трансформатора и к другим проводникам, расположенным рядом с питающими проводами, зажимы другого порогового блока подключены к металлическим объемным конструкциям, к выводам нагрузки и проводникам. Введение таких связей исключает пробои изоляции проводов питающей линии и подключенных к ним элементов изоляции трансформатора и нагрузки, а также расположенных рядом с питающей линией проводников. Применение металлокерамических разрядников надежно ограничивает уровни избыточных напряжений между элементами электроснабжения и землей и проводников между собой, что повышает надежность защиты.A device for protection against accidents that reacts to an overvoltage of short duration relates to electrical engineering, in particular to devices providing protection of power supply elements connected to the secondary winding of a step-down transformer from short duration overvoltages and high energies, for example, arising from lightning discharges. The invention provides improved security protection. For this purpose, the clamps of one threshold unit are connected to high-voltage dischargers and a grounding conductor, as well as to the terminals of the secondary winding of the transformer and to other conductors located near the supply wires, the clamps of the other threshold unit are connected to metallic surround structures, to load terminals and conductors. The introduction of such connections eliminates breakdowns of the insulation of the wires of the supply line and the transformer insulation elements connected to it and the load, as well as conductors located near the supply line. The use of metal-ceramic dischargers reliably limits the levels of excess voltages between the power supply elements and the ground and the conductors between them, which increases the reliability of protection.
RU93017907A 1993-04-06 1993-04-06 Fault protection device which responses to low- duration overload voltage RU2076429C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93017907A RU2076429C1 (en) 1993-04-06 1993-04-06 Fault protection device which responses to low- duration overload voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93017907A RU2076429C1 (en) 1993-04-06 1993-04-06 Fault protection device which responses to low- duration overload voltage

Publications (2)

Publication Number Publication Date
RU93017907A true RU93017907A (en) 1995-05-27
RU2076429C1 RU2076429C1 (en) 1997-03-27

Family

ID=20139854

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93017907A RU2076429C1 (en) 1993-04-06 1993-04-06 Fault protection device which responses to low- duration overload voltage

Country Status (1)

Country Link
RU (1) RU2076429C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104377673A (en) * 2013-08-13 2015-02-25 中兴通讯股份有限公司 Surge protective device and method

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