CN104485740A - Visible intelligent station defect elimination method based on secondary circuit - Google Patents
Visible intelligent station defect elimination method based on secondary circuit Download PDFInfo
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- CN104485740A CN104485740A CN201410751596.9A CN201410751596A CN104485740A CN 104485740 A CN104485740 A CN 104485740A CN 201410751596 A CN201410751596 A CN 201410751596A CN 104485740 A CN104485740 A CN 104485740A
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Abstract
The invention discloses a visible intelligent station defect elimination method based on a secondary circuit. An intelligent station is accessed to a GOOSE network; the running process of the intelligent station comprises a GOOSE message receiving and transmitting step and a GOOSE relation two-dimensional table building step; in the GOOSE message receiving and transmitting step, a protecting device, a measuring and controlling device and an intelligent terminal realize the reliability of transmission by periodically transmitting a GOOSE message between one another during normal operation; within two times the allowed existence time of the received message, interruption is judged if the next frame of GOOSE message is not received; in the GOOSE relation two-dimensional table building step, the message receiving and transmission progresses of the protecting device, the measuring and controlling device and the intelligent terminal are shown in a manner of a GOOSE relation two-dimensional table. By adopting a visible GOOSE network two-dimensional table based on the secondary circuit, the method disclosed by the invention can be used for monitoring operation faults and defect elimination modes of the intelligent station so as to provide convenience for large-scale construction and operating maintenance of the intelligent station.
Description
Technical field
The present invention relates to Intelligent transformer station technology.
Background technology
The development of electrical network makes it more and more urgent for digitlization, informationization and information modelling requirement, and Intelligent transformer station becomes the developing direction of transformer station.
The defect elimination mode of intelligent station and security control are different from normal station completely, the defect elimination mode of existing intelligent station, and defect elimination process places one's entire reliance upon producer, and grid company crewmember is difficult to defect elimination behavior control producer personnel and process.Simultaneously because Intelligent transformer station uses industrial Ethernet technology to replace traditional secondary wiring transmitting digital and analog signal, the secondary connection of original mutual decoupling zero, tool elephant replaces by mutual highly coupling, abstract network data flow, secondary circuit " be cannot see; can not touch " for staff, and therefore the Large scale construction of intelligent station and operation maintenance bring great challenge to teams and groups of basic unit.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of intelligent station defect elimination method visual based on secondary circuit, is monitored, facilitate the operation maintenance of intelligent station by visual method to the operation troubles of intelligent station and defect elimination mode.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: based on the intelligent station defect elimination method that secondary circuit is visual, intelligent station access GOOSE network, protective device is provided with in intelligent station, measure and control device and intelligent terminal, described protective device, measure and control device and intelligent terminal comprise GOOSE message transceiving step and GOOSE contact bivariate table foundation step at running, at GOOSE message transceiving step, described protective device, realized the reliability transmitted by timed sending GOOSE message between mutually when measure and control device and intelligent terminal normally run, be judged as interrupting when not receiving next frame GOOSE message within the 2 times of times of permission life span receiving message, bivariate table foundation step is contacted at GOOSE, the packet sending and receiving process of described protective device, measure and control device and intelligent terminal uses GOOSE contact bivariate table form to represent, wherein, list showing device sends GOOSE message, line display device receives GOOSE message, and in bivariate table, ranks intersection point represents the GOOSE message connection status between two devices.
Preferably; described protective device, measure and control device and intelligent terminal include I female poor, II female poor, #2 main transformer protection, 5011 switch protections, 5011 intelligent terminals, 5012 switch protections, 5012 intelligent terminals and 5021 switch protections; being green when message connection status is normal, is red during interruption.
Preferably, when power supply loses, 5011 switch protections being about to as redness at bivariate table place.
Preferably, when GOOSE plate damages, the row and column at 5011 switch protection places is redness.
Preferably, when intelligent terminal GOOSE optical fiber breaks, the tie point of 5011 intelligent terminals and 5011 switch protections is red.
Preferably; the GOOSE network general structure of described intelligent station is single stellate reticulum; bus switch is often organized bus and is arranged one; the main transformer protection hung on bus also accesses bus switch, and two GOOSE mouths of breaker in middle protection, intelligent terminal and middle observing and controlling are received respectively with a string two interval switches.
The GOOSE network bivariate table that the present invention adopts secondary circuit visual, propose a kind of method being eliminated intelligent station defect by network communication interrupt status, can monitor the operation troubles of intelligent station and defect elimination mode, facilitate Large scale construction and the operation maintenance of intelligent station.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is 500kV intelligent station GOOSE network general structure schematic diagram.
Embodiment
GOOSE network is the important symbol that Intelligent transformer station is different from traditional transformer station; its performance directly affects correctness and the promptness of protection act; the informational needs such as switch position signal, switch controlling signal is had to transmit between switchgear and secondary device; in traditional transformer station; these information are all transmitted by control cables in an analog fashion, to form secondary cable group huge in transformer station's inner cable ditch, cable floor.Fault in these cables probably to cause in station four distantly to make mistakes; more seriously may cause false protection or tripping; but in Intelligent transformer station; because secondary cable is replaced by fiber optic Ethernet; namely be all be connected by fiber optic Ethernet between process layer with wall, the mutual communication between protective device adopts GOOSE message to realize.
For 500kV intelligent station GOOSE network, as shown in Figure 1, its general structure is single stellate reticulum, and by outlet, main transformer and bus interval configuration switch, bus switch is often organized bus and arranged one, and the main transformer protection hung on bus also accesses bus switch.Breaker in middle protection, intelligent terminal and observing and controlling go out two GOOSE mouths and receive respectively with a string two interval switches.Adopt this wiring that interval GOOSE message can be avoided through bus switch, prevent bus exchange fault from causing interval defencive function to lose, and ensure that all intervals exchange fault does not affect the protection of other interval and runs.
Based on the intelligent station defect elimination method that secondary circuit is visual, intelligent station access GOOSE network, protective device is provided with in intelligent station, measure and control device and intelligent terminal, described protective device, measure and control device and intelligent terminal comprise GOOSE message transceiving step and GOOSE contact bivariate table foundation step at running, at GOOSE message transceiving step, protective device, realized the reliability transmitted by timed sending GOOSE message between mutually when measure and control device and intelligent terminal normally run, be judged as interrupting when not receiving next frame GOOSE message within the 2 times of times of permission life span receiving message, bivariate table foundation step is contacted at GOOSE, the packet sending and receiving process of protective device, measure and control device and intelligent terminal uses GOOSE contact bivariate table form to represent, wherein, list showing device sends GOOSE message, line display device receives GOOSE message, and in bivariate table, ranks intersection point represents the GOOSE message connection status between two devices.
Concrete; described protective device, measure and control device and intelligent terminal include female female poor, the II of I female poor, #2 main transformer protection, 5011 switch protections, 5011 intelligent terminals, 5012 switch protections, 5012 intelligent terminals and 5021 switch protections; being green when message connection status is normal, is red during interruption.
Send by timing (5 seconds) between mutually the reliability that GOOSE message realizes transmitting when protection, measure and control device and intelligent terminal normally run, when (being greater than 20 seconds) does not receive next frame GOOSE message within the 2 times of times of permission life span (Time Allow to live) receiving message, be judged as interruption.Send out GOOSE link down when device and then illustrate that this device departs from GOOSE network; cannot exchange the fast signals etc. such as circuit breaker position, trip protection, protection startup locking normally, therefore the Performance And Reliability of relaying protection to GOOSE network proposes very high requirement.Be in operation, backstage uses GOOSE to contact the warning information monitoring arrangement GOOSE link down of bivariate table form and alarm window.It is as shown in table 1 that normal operating mode GOOSE contacts bivariate table.
Table 1 normal operating mode
Tab 1Normal operation mode
List showing device in table 1 sends GOOSE message; Line display device in table receives GOOSE message, and in table, ranks intersection point represents has GOOSE message to connect between these two devices, is green when this intersection point is normal, is red during interruption.
Intelligent station normal defect is analyzed:
Intelligent transformer station normal defect mainly contains: (1) installation's power source loses; (2) the GOOSE plate of device damages; (3) optical fiber breaks; (4) apparatus GOOSE port loosens; (5) port failure of switch; (6) exchanger power loses.
(1) installation's power source loses
When installation's power source loses (such as 5011 switch protections), then 5011 switches being about to as redness at bivariate table place, but lose due to 5011 switching protective device power supplys, MMS mouth cannot go up carry information to backstage, then will as table 2 by bivariate table.
Table 2 installation's power source loses
Tab2Device power lose
(2) the GOOSE plate of device damages
When the GOOSE plate of device damages (such as 5011 switch protections); then 5011 switches are about to as redness at bivariate table place; but due to 5011 switching protective device power supplys do not lose then MMS mouth can above carry information to backstage; the row at 5011 switch protection places are also red; namely the row and column at place is redness, then bivariate table is by as shown in table 3.
The GOOSE plate of table 3 device damages
Tab3Device’s GOOSE plates damage
(3) intelligent terminal GOOSE optical fiber breaks
When intelligent terminal GOOSE optical fiber breaks, as 5011 switch intelligent terminals, because intelligent terminal is without MMS mouth, then cannot directly and Background communication, GOOSE contacts bivariate table and only has a point for red, as shown in table 4.But after optical-fibre communications recovers; alarm window will receive the warning information of 5011 intelligent terminals and I female poor, #2 main transformer protection, 5011 switch protections, 5012 intelligent terminal GOOSE link down, then receives that 5011 intelligent terminals are poor with I mother mother immediately, warning information that #2 main transformer protection, 5011 switch protections, 5012 intelligent terminal GOOSE link down are recovered.
Table 4 intelligent terminal GOOSE optical fiber breaks
Tab4GOOSE fiber of intellect terminals Interrupt
(4) exchanger power loses
When first string I female interval, side switch b/SW5011B exchanger power loses, the device be connected with this switch all will be sent out GOOSE and interrupt, and #2 main transformer protection will not receive 5011 switch protections, 5012 switch protection GOOSE message; 5011 switch protections will not receive I female poor, #2 main transformer protection, 5011 intelligent terminal GOOSE message; The maintenance of 5011 intelligent terminal for reception is green; 5012 switch protections will not receive the GOOSE message of #2 main transformer protection, 5011 intelligent terminals, but the GOOSE message of female female poor, 5012 intelligent terminals of II can be received, because 5012 switch protections and 5012 intelligent terminals have two GOOSE mouths to connect two switches; 5012 intelligent terminal for reception are less than the GOOSE message of #2 main transformer protection, 5011 switch protections.Therefore, GOOSE contact bivariate table is as shown in table 5.
Table 5 exchanger power loses
Tab 5Switch power lose
Claims (6)
1. based on the intelligent station defect elimination method that secondary circuit is visual, intelligent station access GOOSE network, protective device is provided with in intelligent station, measure and control device and intelligent terminal, it is characterized in that: described protective device, measure and control device and intelligent terminal comprise GOOSE message transceiving step and GOOSE contact bivariate table foundation step at running, at GOOSE message transceiving step, described protective device, realized the reliability transmitted by timed sending GOOSE message between mutually when measure and control device and intelligent terminal normally run, be judged as interrupting when not receiving next frame GOOSE message within the 2 times of times of permission life span receiving message, bivariate table foundation step is contacted at GOOSE, the packet sending and receiving process of described protective device, measure and control device and intelligent terminal uses GOOSE contact bivariate table form to represent, wherein, list showing device sends GOOSE message, line display device receives GOOSE message, and in bivariate table, ranks intersection point represents the GOOSE message connection status between two devices.
2. the intelligent station defect elimination method visual based on secondary circuit according to claim 1; it is characterized in that: described protective device, measure and control device and intelligent terminal include I female poor, II female poor, #2 main transformer protection, 5011 switch protections, 5011 intelligent terminals, 5012 switch protections, 5012 intelligent terminals and 5021 switch protections; being green when message connection status is normal, is red during interruption.
3. the intelligent station defect elimination method visual based on secondary circuit according to claim 2, is characterized in that: when power supply loses, 5011 switch protections being about to as redness at bivariate table place.
4. the intelligent station defect elimination method visual based on secondary circuit according to claim 2, is characterized in that: when GOOSE plate damages, the row and column at 5011 switch protection places is redness.
5. the intelligent station defect elimination method visual based on secondary circuit according to claim 2, is characterized in that: when intelligent terminal GOOSE optical fiber breaks, and the tie point of 5011 intelligent terminals and 5011 switch protections is red.
6. the intelligent station defect elimination method visual based on secondary circuit according to claim 1 to 5 any one; it is characterized in that: the GOOSE network general structure of described intelligent station is single stellate reticulum; bus switch is often organized bus and is arranged one; the main transformer protection hung on bus also accesses bus switch, and two GOOSE mouths of breaker in middle protection, intelligent terminal and middle observing and controlling are received respectively with a string two interval switches.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410751596.9A CN104485740A (en) | 2014-12-10 | 2014-12-10 | Visible intelligent station defect elimination method based on secondary circuit |
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| CN201410751596.9A CN104485740A (en) | 2014-12-10 | 2014-12-10 | Visible intelligent station defect elimination method based on secondary circuit |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100040068A1 (en) * | 2008-08-18 | 2010-02-18 | Abb Technology Ag | Configuration of a process control system |
| CN201766417U (en) * | 2010-09-13 | 2011-03-16 | 广东电网公司茂名供电局 | Integrated device for protecting, detecting and combining units |
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- 2014-12-10 CN CN201410751596.9A patent/CN104485740A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100040068A1 (en) * | 2008-08-18 | 2010-02-18 | Abb Technology Ag | Configuration of a process control system |
| CN201766417U (en) * | 2010-09-13 | 2011-03-16 | 广东电网公司茂名供电局 | Integrated device for protecting, detecting and combining units |
Non-Patent Citations (1)
| Title |
|---|
| 刘艳敏等: "智能化变电站GOOSE通信中断原因分析", 《电工技术》, 31 August 2013 (2013-08-31) * |
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Application publication date: 20150401 |