CN106100130A - A kind of guard method of urban track traffic DC power-supply system - Google Patents
A kind of guard method of urban track traffic DC power-supply system Download PDFInfo
- Publication number
- CN106100130A CN106100130A CN201610632297.2A CN201610632297A CN106100130A CN 106100130 A CN106100130 A CN 106100130A CN 201610632297 A CN201610632297 A CN 201610632297A CN 106100130 A CN106100130 A CN 106100130A
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- 238000000034 method Methods 0.000 title claims description 10
- 241000272814 Anser sp. Species 0.000 claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000009194 climbing Effects 0.000 claims description 5
- 230000009191 jumping Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000008033 biological extinction Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 239000013307 optical fiber Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical group CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
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- H02J13/0003—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of urban track traffic DC power-supply system protection scheme; direct current protecting device equal access communications processing means; communication processing apparatus between different traction institutes cascades, thus builds connection between the direct current protecting device of whole DC power-supply system and jump the GOOSE network that signal transmits.Transmit the connection between protection device by GOOSE network and jump signal; the cable connection between screen can be greatly reduced; ensure between protection device that connection jumps signal quickly, transmit reliably, so that the fast arc extinction of dc circuit breaker faster trip, beneficially dc circuit breaker and the isolation of fault；The chain rupture testing mechanism that GOOSE is had, can monitor in real time to the GOOSE passage between protection device, and once passage occurs abnormal, can provide corresponding warning message at once, thus complete the quick location of faulty channel.This programme improves the reliability that DC power-supply system protection is overall, efficiently reduces operation personnel to the maintenance time of protection system and cost.
Description
Technical field
The present invention relates to the protection of DC power-supply system, particularly relate to the protection of urban track traffic DC power-supply system.
Background technology
DC traction power-supply system is as the important component part of urban track traffic system, by DC Traction Network to electricity
Motor-car provides electric energy.Electric vehicle obtains electric energy by sliding contact Traction networks, and traction load electric current is typical intermittence
Big load, which dictates that the fault rate of traction power supply network is far above general transmission line of electricity.Traction power supply network short fault
Not only menace is very big, and at list, fault will have influence on the duty of whole piece transportation route.Compared to AC system, direct current
Electric current does not has natural zero crossing, the most early excision fault, and fault current is the least, then be more conducive to quickly going out of dc circuit breaker
Arc.Therefore, direct current protecting is had higher requirement in quick-action and reliability.
DC traction power-supply system switch cubicle can be divided into according to purposes at present: direct current incoming line cabinet, DC feeder cabinet, negative pole
Cabinet and rail current potential protection four kinds of fundamental types of cabinet, its installation site is as shown in Figure 1.Wherein, direct current incoming line cabinet, DC feeder cabinet,
Negative pole cabinet is respectively arranged with microcomputer protecting device.
In existing direct current protecting scheme, when contact net breaks down, the DC feeder protection device of nearly trouble point is rapid
Action, and by cable to side-lining DC feeder protection device send connection jump order, it is achieved the function of two-sided anti-interference.
When the positive pole of switch cubicle breaks down with cabinet, the frame leakage protection action of protection device in negative pole cabinet, by cable to institute
Interior direct current incoming line cabinet, DC feeder cabinet and to side-lining DC feeder cabinet protection device send connection jump signal.
In actual motion, cable secondary circuit channel status cannot be monitored in real time, the exception of cable passage cannot by and
Shi Dingwei, can cause connection to jump the risk that signal cannot transmit, can only avoid above-mentioned risk by regularly patrolling and examining；Traction is stood
Between transmission connection to jump the secondary cable of signal longer, the interference such as Capacitance Coupled may cause secondary device operation exception, secondary cable
Effectively form the important hidden danger of traction institute safe operation.Although longer open acknowledging time by arranging and can evade
State risk, but action delay jumped by connection longer for DC Line Fault, be unfavorable for dc circuit breaker fast arc extinction and
The excision of fault and isolation.
Summary of the invention
The purpose of the present invention, is to provide the guard method of a kind of urban track traffic DC power-supply system, passes through GOOSE
Network transmits the connection between direct current protecting device and jumps signal.Capacity of resisting disturbance and GOOSE that GOOSE optical-fibre channel is stronger are fast
Speed retransmission mechanism, it is ensured that join between protection device and jump rapidity and the reliability that signal transmits, thus beneficially direct current interruption
The fast arc extinction of device and the excision of trouble point and isolation；The chain rupture testing mechanism of GOOSE, it is achieved that between protection device
The real-time monitoring of GOOSE transmission channel, not only improves the reliability of the protection scheme of DC power-supply system, and decreases screen
Between wiring and the time of operation maintenance and cost.In order to reach above-mentioned purpose, the solution of the present invention is:
The guard method of a kind of urban track traffic DC power-supply system, comprises the steps:
(1) each traction in arrange one for GOOSE information exchange communication processing apparatus, in direct current protecting
Device all accesses this communication processing apparatus；
(2) by the different tractions in step (1) in communication processing apparatus cascade up；
(3) when, after the protection act needing connection to jump, direct current protecting device can pass through the GOOSE net that step (1) (2) is set up
Connection is jumped in signal is delivered to institute or the protection device of adjacent institute by network, thus realizes quickly excising and isolating of fault.
In above-mentioned steps (1) (2), described by traction in direct current protecting device all by setting in intelligent acess institute
Communication processing apparatus, adjacent traction in communication processing apparatus cascade up by optical fiber, it is possible to achieve whole direct current confession
Electricity intrasystem direct current protecting device information sharing, be possible not only to adjacent traction institute direct current protecting device between connection jumping
The transmission of signal, it is also possible to realize being joined the transmission of jumping signal across traction.
In above-mentioned steps (3), the described protection needing connection to jump includes climbing protection, frame leakage protection.
Further, when, after climbing protection act, direct current protecting device passes through GOOSE network to offside DC feeder cabinet
Protection sends connection and jumps order, it is achieved the defencive function of two-sided anti-interference.
Further, after certain traction institute is out of service, the protection device of adjacent two side-linings institute detects that GOOSE is disconnected
After chain, set up across institute GOOSE service channel for transmission across connection jumping signal, it is achieved across two-sided anti-interference function.
Similarly, in above-mentioned steps (3), when after frame leakage protection action, direct current protecting device by GOOSE network to
The DC feeder cabinet protection of DC feeder cabinet protection in this institute, the protection of direct current incoming line cabinet and adjacent institute sends connection and jumps order, in fact
The quickly excision of existing fault and isolation.
After using such scheme, the invention has the beneficial effects as follows: this programme is built in station by communication processing apparatus
GOOSE network, by traction in all direct current protecting devices all access this GOOSE network, by optical fiber by phase by optical fiber
The communication processing apparatus of adjacent institute cascades, so that the GOOSE that the protection device access of whole DC power-supply system is unified
Among network.So, this protection scheme can be suitable for multiple different operating condition, it is achieved adjacent even across protection device
The transmission of signal jumped by connection.Connection between direct current protecting device is jumped signal and is transmitted by GOOSE network, not only greatly reduces screen
Between wiring, and the quick repeats of the strong jamming ability of optical fiber and GOOSE is machine-processed, it is ensured that connection jumps signal quickly, reliably
Transmission.The chain rupture testing mechanism that GOOSE is had, can monitor in real time GOOSE passage, channel interrupt once occurs, can stand
Provide corresponding warning message quarter, not only improve the overall reliability of DC protection system, and decrease operation personnel
Maintenance time and cost to protection system.
Accompanying drawing explanation
Fig. 1 is urban track traffic DC power-supply system schematic diagram；
In figure, a-rectifier transformer, b-commutator, c-negative pole cabinet disconnecting switch, d-direct current incoming line cabinet chopper, e-direct current
Feeder cabinet chopper, f-rail voltage stopping means；
Fig. 2 is the GOOSE networking schematic diagram of protection scheme of the present invention；
Detailed description of the invention
Below with reference to accompanying drawing 2, technical scheme is described in detail.
The present invention provides the guard method of a kind of urban track traffic DC power-supply system, comprises the steps:
(1) each traction in arrange one for GOOSE information exchange communication processing apparatus, in direct current protecting
Device all accesses this communication processing apparatus；
(2) by the different tractions in step (1) in communication processing apparatus cascade up；
(3) after protection act, direct current protecting device can pass through the GOOSE network that step (1) (2) set up connection is jumped signal
Be delivered in or the protection device of adjacent institute, thus realize the quickly excision of fault and isolate.
The quick repeats mechanism of GOOSE of the present invention described in detail below, when the switching value letter that GOOSE is transmitted
After breath conjugates, device can send the first frame GOOSE at once and conjugate message, and the most in a short period of time, device can be reissued
Second frame, the 3rd frame message ... even if so so that certain frame message dropping, displacement information also can be delivered to protect accordingly
Protection unit, it is ensured that the reliability of GOOSE transmission；Owing to GOOSE uses rapid message transmission service so that GOOSE reports
The delays time to control of literary composition transmission is within 4ms, thereby ensure that the rapidity of message transmissions；The capacity of resisting disturbance that optical fiber is stronger, can
Effectively to prevent the interference of external environment, it is achieved the quick confirmation of GOOSE signal effectiveness.Straight by GOOSE network transmission
Signal jumped by connection between stream protection device so that dc circuit breaker can be jumped by connection quickly, preferably completes dc circuit breaker
Fast arc extinction and the isolation of trouble point.
GOOSE chain rupture testing mechanism of the present invention, containing " message time-to-live " parameter in GOOSE message.As
Really receiving terminal does not receives message within " message time-to-live ", then receiving terminal can judge message dropping；In " message time-to-live "
2 times of times, then be judged as communication disruption.GOOSE passage can be carried out real-time self-inspection by GOOSE chain rupture testing mechanism,
Achieve the quick location of abnormal passage, not only increase the reliability of DC protection system, and decrease between screen wiring with
And the time of operation maintenance and cost.
As a example by contact net is short-circuited fault, after fault occurs, direct current protecting dress in the DC feeder cabinet of nearly trouble point
The climbing protection act put, and by GOOSE network to adjacent traction institute DC feeder protection device send connection jumping signal,
Realize two-sided anti-interference protection, complete quickly excision and the isolation of fault.
As a example by the positive pole of switch cubicle breaks down with cabinet, after fault occurs, the frame of direct current protecting device in negative pole cabinet
Frame leak protection action, by GOOSE network in direct current incoming line cabinet, DC feeder cabinet and adjacent DC feeder cabinet
Protection device sends connection and jumps signal, it is achieved fault is quickly excised and isolates.
Above example is only the technological thought that the present invention is described, it is impossible to limit protection scope of the present invention, this guarantor with this
Protecting the transmission channels of GOOSE signal in scheme can be by direct-connected structure of direct current protecting apparatus GOOSE port；Protection device
And the passage of the cascade between the connection of communication processing apparatus or communication processing apparatus can be optical fiber or other media；Logical
Letter processing means refers to that all may be used for the device of GOOSE information exchange, such as GOOSE switch；The number of communication processing apparatus
Amount can need to configure according to scene；It is possible not only to jump signal with GOOSE network transmission connection between protection device can also pass
Pass other on-off model.Every technological thought proposed according to the present invention, any change done on the basis of technical scheme,
Within each falling within scope.
Claims (5)
1. the guard method of a urban track traffic DC power-supply system, it is characterised in that comprise the steps:
(1) each traction in arrange one for GOOSE information exchange communication processing apparatus, in direct current protecting device
All access this communication processing apparatus；
(2) by the different tractions in step (1) in communication processing apparatus cascade up；
(3) when, after the protection act needing connection to jump, direct current protecting device can pass through the GOOSE network general that step (1) (2) is set up
Connection is jumped in signal is delivered to institute or the protection device of adjacent institute, thus realizes quickly excising and isolating of fault.
The guard method of a kind of urban track traffic DC power-supply system the most as claimed in claim 1, it is characterised in that: described
The protection needing connection to jump in step (3) includes climbing protection, frame leakage protection.
The guard method of a kind of urban track traffic DC power-supply system the most as claimed in claim 1 or 2, it is characterised in that:
In described step (3), when, after climbing protection act, direct current protecting device is protected to offside DC feeder cabinet by GOOSE network
Order jumped by connection of taking care of hair out, it is achieved the defencive function of two-sided anti-interference.
The guard method of a kind of urban track traffic DC power-supply system the most as claimed in claim 1, it is characterised in that: when certain
Individual traction institute out of service after, adjacent two side-linings institute protection device GOOSE chain rupture detected after, foundation across GOOSE
Service channel for transmission across institute connection jumping signal, it is achieved across two-sided anti-interference function.
The guard method of a kind of urban track traffic DC power-supply system the most as claimed in claim 1 or 2, it is characterised in that:
In described step (3), when, after frame leakage protection action, direct current protecting device passes through GOOSE network DC feeder in this institute
Cabinet protection, direct current incoming line cabinet protection and adjacent institute DC feeder cabinet protection send connection jump order, it is achieved quickly cutting of fault
Remove and isolation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610632297.2A CN106100130B (en) | 2016-08-04 | 2016-08-04 | A kind of guard method of urban track traffic DC power-supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610632297.2A CN106100130B (en) | 2016-08-04 | 2016-08-04 | A kind of guard method of urban track traffic DC power-supply system |
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| CN106100130A true CN106100130A (en) | 2016-11-09 |
| CN106100130B CN106100130B (en) | 2019-03-08 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147090A (en) * | 2017-06-07 | 2017-09-08 | 广州白云电器设备股份有限公司 | Interlock tripper and two-sided anti-interference protection system based on fiber optic communication |
| CN108666883A (en) * | 2018-05-14 | 2018-10-16 | 苏州天鸿电子有限公司 | A kind of power supply switch cabinet |
| CN108957238A (en) * | 2018-08-01 | 2018-12-07 | 广州白云电器设备股份有限公司 | The device and method of urban rail transit contact network fault location |
| CN110492466A (en) * | 2019-08-06 | 2019-11-22 | 南京南瑞继保工程技术有限公司 | A kind of urban track traffic direct-current traction power supply disconnecting switch interlock system and method |
| CN111725791A (en) * | 2020-06-18 | 2020-09-29 | 广州市扬新技术研究有限责任公司 | Method for realizing digital hop selection protection by differential optical fiber transmission GOOSE signal |
| CN113162234A (en) * | 2021-04-09 | 2021-07-23 | 中铁第四勘察设计院集团有限公司 | Direct current combined-hop system based on GOOSE communication and monitoring method |
| CN113253058A (en) * | 2021-06-23 | 2021-08-13 | 中铁第四勘察设计院集团有限公司 | Method and system for ranging fault of contact network of direct-current traction power supply system |
| CN114094551A (en) * | 2021-11-23 | 2022-02-25 | 天津凯发电气股份有限公司 | Protection system smooth access method based on intelligent multi-port controller |
| CN117074867A (en) * | 2023-10-12 | 2023-11-17 | 广州市扬新技术研究有限责任公司 | Urban rail transit power supply system fault positioning method based on inter-station GOOSE information |
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| 魏巍等: ""基于GOOSE通信的数字化地铁保护的研制与应用"", 《2013第十四届全国保护和控制学术研讨会论文集》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147090A (en) * | 2017-06-07 | 2017-09-08 | 广州白云电器设备股份有限公司 | Interlock tripper and two-sided anti-interference protection system based on fiber optic communication |
| CN107147090B (en) * | 2017-06-07 | 2021-06-01 | 广州地铁集团有限公司 | Bilateral united-hop device and bilateral united-hop protection system based on optical fiber communication |
| CN108666883A (en) * | 2018-05-14 | 2018-10-16 | 苏州天鸿电子有限公司 | A kind of power supply switch cabinet |
| CN108957238B (en) * | 2018-08-01 | 2020-11-03 | 广州白云电器设备股份有限公司 | Device and method for positioning faults of urban rail transit contact network |
| CN108957238A (en) * | 2018-08-01 | 2018-12-07 | 广州白云电器设备股份有限公司 | The device and method of urban rail transit contact network fault location |
| CN110492466A (en) * | 2019-08-06 | 2019-11-22 | 南京南瑞继保工程技术有限公司 | A kind of urban track traffic direct-current traction power supply disconnecting switch interlock system and method |
| CN111725791A (en) * | 2020-06-18 | 2020-09-29 | 广州市扬新技术研究有限责任公司 | Method for realizing digital hop selection protection by differential optical fiber transmission GOOSE signal |
| CN113162234A (en) * | 2021-04-09 | 2021-07-23 | 中铁第四勘察设计院集团有限公司 | Direct current combined-hop system based on GOOSE communication and monitoring method |
| CN113162234B (en) * | 2021-04-09 | 2022-06-07 | 中铁第四勘察设计院集团有限公司 | Direct current combined-hop system based on GOOSE communication and monitoring method |
| CN113253058A (en) * | 2021-06-23 | 2021-08-13 | 中铁第四勘察设计院集团有限公司 | Method and system for ranging fault of contact network of direct-current traction power supply system |
| CN113253058B (en) * | 2021-06-23 | 2022-08-16 | 中铁第四勘察设计院集团有限公司 | Method and system for ranging fault of contact network of direct-current traction power supply system |
| CN114094551A (en) * | 2021-11-23 | 2022-02-25 | 天津凯发电气股份有限公司 | Protection system smooth access method based on intelligent multi-port controller |
| CN114094551B (en) * | 2021-11-23 | 2024-02-27 | 天津凯发电气股份有限公司 | Protection system smooth access method based on intelligent multiport controller |
| CN117074867A (en) * | 2023-10-12 | 2023-11-17 | 广州市扬新技术研究有限责任公司 | Urban rail transit power supply system fault positioning method based on inter-station GOOSE information |
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| CN106100130B (en) | 2019-03-08 |
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