SU147637A1 - Method of protection of overhead lines 220/380 V - Google Patents
Method of protection of overhead lines 220/380 VInfo
- Publication number
- SU147637A1 SU147637A1 SU645104A SU645104A SU147637A1 SU 147637 A1 SU147637 A1 SU 147637A1 SU 645104 A SU645104 A SU 645104A SU 645104 A SU645104 A SU 645104A SU 147637 A1 SU147637 A1 SU 147637A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- overhead lines
- protection
- phase
- neutral
- reduce
- Prior art date
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
Известны способы защиты воздушных линий 220/380 в с заземленным нроводом или нейтралью. Однако такие способы мало эффективны и трудоемки в осуществлении.Known methods of protection of overhead lines 220/380 in with a grounded wire or neutral. However, such methods are not very effective and time consuming to implement.
В описываемом способе дл снижени опасного электрического вли ни т говой сети однофазного тока электрических железных дорог примен ют активные сопротивлени , включенные между каждой фазой защищаемой линии и землей.In the described method, active resistances are applied between each phase of the protected line and the ground to reduce the dangerous electrical effect of the traction network of a single-phase current of electric railways.
На чертеже изображена схема включени активных сопротивлений.The drawing shows a diagram of the inclusion of active resistances.
Способ защиты воздушных линий состоит в том, что воздушные линии /, например осветительные, нейтраль 2 которых заземлена (это может быть нейтральна точка вторичной обмотки 3 понижающего трансформатора 25 кет 380 в - 4) снабжаютс защитными омическими сопротивлени ми 5 типа ВС, которые включают между каждой фазой защищаемой линии / и землей.The way to protect the overhead lines is that the overhead lines /, for example, lighting, the neutral 2 of which is grounded (this can be the neutral point of the secondary winding 3 of the step-down transformer 25 kt 380 V - 4) are supplied with resistance ohmic resistances 5 each phase of the protected line / and ground.
Описываемой способ позвол ет знач|Ительно уменьшить опасное электрическое вли ние т говой сети, снизить потенциал и тем самым предотвратить поражение людей и повреждение механизмов и аппаратуры .The described method makes it possible to significantly reduce the dangerous electrical effect of the traction network, reduce the potential and thereby prevent the defeat of people and damage to mechanisms and equipment.
Предмет изобретени Subject invention
Способ защиты воздушных линий 220/380 в с заземленным проводом или нейтралью, отличающийс тем, что, с целью снижени опасного электрического вли ни т говой сети однофазного тока электрических железных дорог, примен ют активные сопротивлени , включенные между каждой фазой защищаемой линии и землей.A method of protecting overhead lines 220/380 v with a grounded wire or neutral, characterized in that, in order to reduce the dangerous electrical effect of the single-phase current network of electric railways, active resistances are used, connected between each phase of the protected line and the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU645104A SU147637A1 (en) | 1959-11-25 | 1959-11-25 | Method of protection of overhead lines 220/380 V |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU645104A SU147637A1 (en) | 1959-11-25 | 1959-11-25 | Method of protection of overhead lines 220/380 V |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU147637A1 true SU147637A1 (en) | 1961-11-30 |
Family
ID=48302973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU645104A SU147637A1 (en) | 1959-11-25 | 1959-11-25 | Method of protection of overhead lines 220/380 V |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU147637A1 (en) |
-
1959
- 1959-11-25 SU SU645104A patent/SU147637A1/en active
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