CN206135407U - Tram power supply contact net lightning protection system - Google Patents
Tram power supply contact net lightning protection system Download PDFInfo
- Publication number
- CN206135407U CN206135407U CN201621073545.6U CN201621073545U CN206135407U CN 206135407 U CN206135407 U CN 206135407U CN 201621073545 U CN201621073545 U CN 201621073545U CN 206135407 U CN206135407 U CN 206135407U
- Authority
- CN
- China
- Prior art keywords
- contact net
- track
- lightning
- electric substation
- protection system
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model discloses a tram power supply contact net lightning protection system, including automobile body, station, track, being equipped with a plurality of stations on the track, on the track of automobile body operation between a plurality of stations, being equipped with the contact net on the track and transmitting power to the automobile body, the contact net nationality is connected with station, electric substation respectively by the overhead wire, wherein, be equipped with lightning -arrest ground plate on the track, the overhead earth wire of track top passes through discharge gap ground connection, be equipped with two arresters between track and the electric substation, the isolator that establishes ties on the circuit between electric substation and the arrester, among two isolator one be open state, another is normally closed state, all not electrified metallic parts of contact net divide and all are connected with the earth connection of overhead wire, and the earth connection of overhead wire links to each other with the ground net of electric substation, constitute catenary system ground protection return circuit. The utility model discloses constitution catenary system ground protection return circuit, the threat of lightning current is eliminated to the first target of avoiding the vehicle of operation on the railway rails to become the thunderbolt.
Description
Technical field
This utility model is related to rail technical field of vehicle, more particularly to a kind of tramcar contact net for power supplying lightning protection system
System.
Background technology
It is well known that thunder and lightning is a kind of natural electric discharge phenomena in sky cloud layer, lightning current is a kind of intensity maximum, effect
Time extremely short transient process.City modern times railroad vehicle electric power system contact net overhead transmission line if subjected to direct stroke or
Near the circuit during thunderbolt, on wire, overvoltage, i.e. atmospheric over-voltage (external overvoltage) can be produced because of electromagnetic induction.This electricity
Pressure is often higher by more than 2 times of circuit phase voltage, line insulation is destroyed and is caused failure.Operate on city rail
Vehicle as good conductor, is the maximum target of strike mechanism, and vehicle is once hit by thunder and lightning, driver and conductor in which, is electrically set
The safety of standby, communications facility will be on the hazard.Therefore, operate in the vehicle on city rail to be badly in need of taking measures on customs clearance, it is to avoid
The harm of thunderbolt.
Utility model content
In view of the drawbacks described above of prior art, this utility model provides a kind of tramcar contact net for power supplying lightning protection system
One of system, purpose of realization are the first objects for avoiding the vehicle operated on rail track from becoming thunderbolt, eliminate lightning current pair
Driver and conductor, electrical equipment, the threat of communications facility in vehicle.
For achieving the above object, this utility model provides a kind of tramcar contact net for power supplying lightning-protection system, including car
Body, station, track, electric substation, aerial line, contact net.
The track is provided with some stations, and the car body operates in the track between some stations
On, the track is provided with the contact net and transmits electricity to the car body, the contact net nationality by the aerial line respectively with it is described
Station, electric substation connection.
Wherein, the track is provided with lightning protection earthing plate；
Aerial earth wire above the track is grounded by discharging gap；
Two spark gaps, the line between the electric substation and the spark gap are provided between the track and the electric substation
Connect on road disconnecting switch, in two disconnecting switch one in normally open, another be in normally off；
The all not charged metal parts of the contact net are connected with the earth lead of the aerial line, and the aerial line connects
Ground wire is connected with the grounded screen of the electric substation, constitutes contact net system earth fault protection circuit.
This utility model exactly employs said structure, constitutes contact net system earth fault protection circuit, it is to avoid operate in ferrum
Vehicle on rail road becomes the first object of thunderbolt, eliminates lightning current and the driver and conductor in vehicle, electrical equipment, communication are set
The threat applied.
Preferably, the electric substation includes traction substation.
Preferably, the traction substation feeder line outlet sets spark gap.
Preferably, spark gap is set between the traction substation commutator side positive and negative electrode.
Preferably, the aerial earth wire is grounded by discharging gap every 250m, and earth resistance is not more than 10 Ω.
Preferably, the lightning protection earthing plate is alternately arranged along track uplink and downlink.
Preferably, the lightning protection earthing plate carries pre-buried iron plate.
The beneficial effects of the utility model：
1st, this utility model can effectively avoid the vehicle for running on the railroad track from becoming the first object of thunderbolt, disappear
Except lightning current to the driver and conductor in vehicle, electrical equipment, communications facility threat.
2nd, after this utility model is mounted with the equipment of lightning protection in above-mentioned apparatus, can have actual measurement monitoring,
The functions such as thunder and lightning alarm, fault location, there is provided the quick lookup of converting equipment thunderbolt event and analytic function.
3rd, actual measurement displaying, the positioning of lightning fault, the statistics of lightning parameter, thunder and lightning risk of this utility model to thunder and lightning
Assessment is with certain practical function and economic worth.
4th, test of this utility model in strict accordance with standard criterion to pole tower ground resistance, the connection for paying attention to earthed system can
Inspection and the timely elimination to hidden danger by property.
The technique effect of design of the present utility model, concrete structure and generation is made furtherly below with reference to accompanying drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Description of the drawings
Fig. 1 is illustrated that the structural representation of one embodiment of this utility model.
Specific embodiment
Embodiment 1
As shown in figure 1, a kind of tramcar contact net for power supplying lightning-protection system, including car body, station 2, track 1, electric substation
4th, aerial line, contact net.
The track 1 is provided with some stations 2, and the car body operates in the rail between some stations 2
On road 1, the track 1 is provided with the contact net and transmits electricity to the car body, the contact net nationality by the aerial line respectively with
The station 2, the electric substation 4 connect.
Wherein, the track 1 is provided with lightning protection earthing plate 3；Aerial earth wire above the track 1 is connect by discharging gap
Ground；Two spark gaps 5, the line between the electric substation 4 and the spark gap 5 are provided between the track 1 and the electric substation 4
On road connect disconnecting switch 6, in two disconnecting switch 6 one in normally open, another be in normally off.
The all not charged metal parts of the contact net are connected with the earth lead of the aerial line, and the aerial line connects
Ground wire is connected with the grounded screen of the electric substation 4, constitutes contact net system earth fault protection circuit.
In certain embodiments, the electric substation 4 includes traction substation.
In some preferred embodiments, the traction substation feeder line outlet sets spark gap.
In some preferred embodiments, between the traction substation commutator side positive and negative electrode, spark gap is set.
In certain embodiments, the aerial earth wire is grounded by discharging gap every 250m, and earth resistance is not more than 10
Ω。
In certain embodiments, the lightning protection earthing plate 3 is alternately arranged along track uplink and downlink.
In some preferred embodiments, the lightning protection earthing plate 3 carries pre-buried iron plate.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member just can make many modifications and variations according to design of the present utility model without the need for creative work.Therefore, all this technology necks
In domain, technical staff passes through logical analyses, reasoning or limited reality on the basis of existing technology according to design of the present utility model
Available technical scheme is tested, all should be in the protection domain being defined in the patent claims.
Claims (7)
1. a kind of tramcar contact net for power supplying lightning-protection system, including car body, station, track, electric substation, aerial line, contact net；
The track is provided with some stations, and the car body is operated on the track between some stations, the rail
Road is provided with the contact net and transmits electricity to the car body, the contact net nationality by the aerial line respectively with the station, described
Electric substation connects；It is characterized in that；The track is provided with lightning protection earthing plate；Aerial earth wire above the track is by electric discharge
Gap ground；Two spark gaps are provided between the track and the electric substation, between the electric substation and the spark gap
Connect on circuit disconnecting switch, in two disconnecting switch one in normally open, another be in normally off；The contact
Net all not charged metal parts to be connected with the earth lead of the aerial line, the earth lead of the aerial line and the electric substation
Grounded screen be connected, constitute contact net system earth fault protection circuit.
2. a kind of tramcar contact net for power supplying lightning-protection system according to claim 1, it is characterised in that the electric substation
Including traction substation.
3. a kind of tramcar contact net for power supplying lightning-protection system according to claim 2, it is characterised in that the traction becomes
Electric institute's feeder line outlet sets spark gap.
4. a kind of tramcar contact net for power supplying lightning-protection system according to claim 2, it is characterised in that the traction becomes
Spark gap is set between the positive and negative electrode of electric institute's commutator side.
5. a kind of tramcar contact net for power supplying lightning-protection system according to claim 1, it is characterised in that it is described built on stiltsly
Line is grounded by discharging gap every 250m, and earth resistance is not more than 10 Ω.
6. a kind of tramcar contact net for power supplying lightning-protection system according to claim 1, it is characterised in that described lightning-arrest to connect
Floor is alternately arranged along track uplink and downlink.
7. a kind of tramcar contact net for power supplying lightning-protection system according to claim 6, it is characterised in that described lightning-arrest to connect
Floor carries pre-buried iron plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073545.6U CN206135407U (en) | 2016-09-23 | 2016-09-23 | Tram power supply contact net lightning protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073545.6U CN206135407U (en) | 2016-09-23 | 2016-09-23 | Tram power supply contact net lightning protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206135407U true CN206135407U (en) | 2017-04-26 |
Family
ID=58570377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621073545.6U Active CN206135407U (en) | 2016-09-23 | 2016-09-23 | Tram power supply contact net lightning protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206135407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334516A (en) * | 2018-10-15 | 2019-02-15 | 东沣管轨技术（北京）股份有限公司 | A kind of traction power supply contact net of independent loop |
| CN109625007A (en) * | 2018-12-27 | 2019-04-16 | 西南交通大学 | A kind of novel grounded system of bullet train, automatic control system and control method |
-
2016
- 2016-09-23 CN CN201621073545.6U patent/CN206135407U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334516A (en) * | 2018-10-15 | 2019-02-15 | 东沣管轨技术（北京）股份有限公司 | A kind of traction power supply contact net of independent loop |
| CN109625007A (en) * | 2018-12-27 | 2019-04-16 | 西南交通大学 | A kind of novel grounded system of bullet train, automatic control system and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202444178U (en) | Electric locomotive interior network side cabinet | |
| CN206135407U (en) | Tram power supply contact net lightning protection system | |
| CN203237059U (en) | Static/dynamic online insulation monitoring device for high voltage power supply system of electric locomotive | |
| KR101332413B1 (en) | Power Line Communication System utilizing Arrester for Electric train system | |
| RU2714276C1 (en) | Method of protective earthing of overhead system at replacement of rail-and-sleeper grid with wide front | |
| CN209344514U (en) | The device of steel tower tower head overvoltage when a kind of inhibition transmission line lightning stroke | |
| CN109586226A (en) | The method and device of steel tower tower head overvoltage when a kind of inhibition transmission line lightning stroke | |
| CN201804644U (en) | Ring electrode lightning arrester for contact network of urban mass transit | |
| RU2492074C1 (en) | Electric power supply system of electrified ac railways | |
| CN111384710B (en) | Grounding system suitable for urban rail transit | |
| CN105762753B (en) | A kind of ± 800 kilovolts of DC line arrester erecting devices and methods | |
| Zielenkiewicz et al. | The protection of DC railway traction power supply systems against direct lightning strike | |
| CN203496704U (en) | Lightning strike restraining type overhead contact system of electrified rail tractive power supply system | |
| Dehcheshmeh et al. | Analysis of lightning transient in 2× 25 kV AC autotransformer traction system | |
| CN101950647B (en) | Ball-end electrode lightning arrester of urban rail transit contact system | |
| CN203551727U (en) | Electric locomotive roof insulation detector | |
| Pastromas et al. | Investigation of grounding resistance effect on the MV grid of Hellenic electromotive railway during lightning strikes | |
| CN203481768U (en) | Spherical fixed outer-gap lightning arrester for 10kV system insulating overhead line tension rod | |
| CN103050926A (en) | Ground potential equalizer | |
| Hayashiya et al. | Improvement of grounding system of DC traction substation in railway power supply system | |
| CN201829284U (en) | Ball electrode arrester with disconnector for urban rail transit contact network | |
| CN202309001U (en) | Non-contact power transmission and distribution line lightning protection apparatus | |
| KR101537194B1 (en) | Real time monitoring system for common ground facility of the electric railway | |
| CN203562738U (en) | Lightning protection device for aerial insulation line | |
| CN211880093U (en) | Grounding conduction device and direct-current traction power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |