CN106410973B - A kind of analysis method of the inspecting state of relay protection device of intelligent substation - Google Patents
A kind of analysis method of the inspecting state of relay protection device of intelligent substation Download PDFInfo
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- CN106410973B CN106410973B CN201611070197.1A CN201611070197A CN106410973B CN 106410973 B CN106410973 B CN 106410973B CN 201611070197 A CN201611070197 A CN 201611070197A CN 106410973 B CN106410973 B CN 106410973B
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- 238000004458 analytical method Methods 0.000 title claims abstract description 23
- 241000272814 Anser sp. Species 0.000 claims abstract description 83
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 238000012423 maintenance Methods 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000006641 stabilisation Effects 0.000 claims description 6
- 238000011105 stabilization Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 description 12
- 230000008531 maintenance mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00019—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using optical means
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of analysis methods of the inspecting state of relay protection device of intelligent substation; the intake simultaneous transmission for the maintenance pressing plate that optocoupler will acquire is to CPU and FPGA; CPU is after receiving intake; it is arranged TEST in conjunction with current GOOSE message; then it generates new GOOSE message and is sent to FPGA; FPGA is after receiving new GOOSE message; judge the position TEST in new GOOSE message data whether with itself receive intake and be consistent; only in the case where the two is consistent, just new GOOSE message is sent.It can be seen that FPGA again judgement form redundancy by way of, can be improved determine maintenance pressing plate state reliability, reduce failure or erroneous judgement probability.In addition, this method is without changing GOOSE message original structure and configuration.
Description
Technical field
The present invention relates to technical field of electric power, more particularly to a kind of inspecting state of relay protection device of intelligent substation
Analysis method.
Background technique
Conventional substation relay protection function is generally by protective device, vertical connection road and interface equipment, cable secondary circuit
Etc. equipment realize, intelligent substation relay protection system other than above equipment, also include combining unit, intelligent terminal, mistake
The equipment such as journey layer switch.In specific implementation, optical fiber point-to-point connection is used between protective device and intelligent terminal.
When O&M service personnel executes site safety measure, generally requires and move back inspection in protective device and intelligent terminal upslide
Repair pressing plate.It according to maintenance pressing plate investment or exits, protective device and intelligent terminal generate corresponding GOOSE message, and pass through
Embody the state of maintenance pressing plate in the position TEST in GOOSE message.In specific implementation, protective device and intelligent terminal are according to current
The position TEST of GOOSE message is carried out corresponding set by the state for overhauling pressing plate, and message reception device will receive GOOSE message
The position TEST be compared with itself maintenance pressing plate state, do exclusive logic judgement, only when the two is consistent, just basis
The execution information for including in GOOSE message is acted, and is otherwise disregarded.
It in the prior art, for the state for overhauling pressing plate is determined by the position TEST of GOOSE message, TEST are 1 table
Show investment, TEST indicate to exit for 0.Packet sending and receiving module includes the modules such as optocoupler, CPU and FPGA, optocoupler and maintenance pressing plate
Output end connection intake is then sent to CPU for obtaining the intake of maintenance pressing plate, CPU in conjunction with the intake into
Row coding, i.e., by the position TEST 1 or 0 in GOOSE message, be then sent to FPGA for new GOOSE message, FPGA passes through report
The optical port of literary transceiver module is issued with multicast mode.
Due to only existing one bit difference between 0 and 1,1 be accidentally set to 0 risk it is higher.It is transported in device software and hardware
In the normal situation of row, being effectively isolated for repair apparatus and running equipment may be implemented using above-mentioned maintenance mechanism, but work as GOOSE
When the position TEST of message not can correctly reflect inspecting state for some reason, GOOSE, which will overhaul mechanism, to fail.
In conclusion in the prior art, the state for overhauling pressing plate is only determined by TEST judging results,
Reliability is low, is easy failure and causes to judge by accident.Determine that the reliability of the state of maintenance pressing plate is ability it can be seen that how to improve
Field technique personnel's urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of analysis methods of the inspecting state of relay protection device of intelligent substation, are used for
Overcome in the prior art, only by one time TEST judging result come determine overhaul pressing plate state caused by reliability
It is low, it is easy the problem of failing.
In order to solve the above technical problems, the present invention provides a kind of point of the inspecting state of relay protection device of intelligent substation
Analysis method, comprising:
Optocoupler obtains the intake of maintenance pressing plate, and is sent to CPU and FPGA；
The position TEST in current GOOSE message is arranged according to the intake when receiving the intake by the CPU
To generate new GOOSE message, and it is sent to FPGA；
The FPGA receives the new GOOSE message and the intake, and in described TEST and the intake phase
The new GOOSE message is sent by optical port in the case where meeting；
Wherein, the intake is investment or exits.
Preferably, it is indicated using 01011010B or 10100101B for described TEST, wherein 01011010B is maintenance pressure
Plate exits, and 10100101B is maintenance pressing plate investment.
Preferably, further includes:
The new GOOSE message is fed back to the CPU by the FPGA；
The CPU judges whether the new GOOSE message changes；
If it is not, then output warning message is with warning note.
Preferably, the FPGA receives the new GOOSE message and the intake, and opens at described TEST with described
Enter to send the new GOOSE message by optical port in the case that amount is consistent and specifically include:
Receive the intake；
Receive the new GOOSE message；
Judge whether described TEST be consistent with the intake；
If it is, sending the new GOOSE message by optical port；
If it is not, then terminating.
Preferably, further includes:
The FPGA carries out the stabilization processing of predetermined time when receiving the intake.
Preferably, the predetermined time is identical as the stabilization of the CPU processing time.
Preferably, the predetermined time is greater than 1s.
Preferably, relay protection device of intelligent substation includes protective device or intelligent terminal.
Preferably, include in the new GOOSE message executes instruction including trip command or reclosing command.
The analysis method of the inspecting state of relay protection device of intelligent substation provided by the present invention, what optocoupler will acquire
For intake simultaneous transmission to CPU and FPGA, CPU is arranged TEST after receiving intake, in conjunction with current GOOSE message,
Then it generates new GOOSE message and is sent to FPGA, FPGA judges in new GOOSE message after receiving new GOOSE message
TEST data whether with itself receive intake and be consistent, only in the case where the two is consistent, just by new GOOSE
Message is sent.It can be seen that by way of judgement forms redundancy again, can be improved FPGA and determine maintenance pressing plate
The reliability of state reduces the probability of failure or erroneous judgement.In addition, this method is without changing GOOSE message original structure and configuration.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structure chart of packet sending and receiving module provided in an embodiment of the present invention；
Fig. 2 is a kind of analysis method of the inspecting state of relay protection device of intelligent substation provided in an embodiment of the present invention
Flow chart；
Fig. 3 is the analysis side of the inspecting state of another relay protection device of intelligent substation provided in an embodiment of the present invention
The flow chart of method.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are without making creative work, obtained every other
Embodiment belongs to the scope of the present invention.
Core of the invention is to provide a kind of analysis method of the inspecting state of relay protection device of intelligent substation, is used for
Overcome in the prior art, only by one time TEST judging result come determine overhaul pressing plate state caused by reliability
It is low, it is easy the problem of failing.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
It is illustrated firstly, for the structure of packet sending and receiving module.Fig. 1 is that a kind of message provided in an embodiment of the present invention is received
Send out the structure chart of module.As shown in Figure 1, packet sending and receiving module mainly includes the component parts such as optocoupler 10, CPU11 and FPGA12.
Optocoupler 10 is connect with the intake output end of maintenance pressing plate, for obtaining intake, and is transmitted to CPU11 and FPGA12.CPU11
It is core, for generating GOOSE message, FPGA12 is used to the CPU11 GOOSE message generated being sent to other packet sending and receiving moulds
Block, so that other packet sending and receiving modules are compared according to the position TEST of itself with the position TEST received in GOOSE message, from
And determine whether to execute GOOSE message in include execute instruction.
Fig. 2 is a kind of analysis method of the inspecting state of relay protection device of intelligent substation provided in an embodiment of the present invention
Flow chart.As shown in Fig. 2, the analysis method of the inspecting state of relay protection device of intelligent substation includes:
S10: optocoupler obtains the intake of maintenance pressing plate, and is sent to CPU and FPGA.
For S11:CPU when receiving intake, the position TEST being arranged in current GOOSE message according to intake is new to generate
GOOSE message, and it is sent to FPGA.
S12:FPGA receives new GOOSE message and intake, and passes through in the case where being consistent with intake for TEST
Optical port sends new GOOSE message.
It is understood that above-mentioned steps S10-S1:2 can be adapted for any protective relaying device, such as intelligence is eventually
End or protective device.In specific implementation, usual protective device is the control realized by GOOSE message to intelligent terminal, because
This, protective device is achieved that after executing above three step is transferred to intelligent terminal for GOOSE message, and intelligent terminal exists
It after receiving GOOSE message, is compared with the intake of the maintenance pressing plate of itself, is executed in GOOSE message if consistent
The instruction instruction for including, if it is inconsistent, ignoring.Specific maintenance mechanism is referring to table 1.
Specific maintenance mechanism is shown in Table 1.
Table 1 overhauls mechanism schematic table
In the present embodiment, intake includes investment and exits, and the intake that optocoupler will acquire is transmitted to CPU, CPU
The position TEST in current GOOSE message is encoded, i.e., is arranged to the data being consistent with intake for TEST, such as can
To be 0 or 1.It is understood that the current GOOSE message mentioned in present specification is not a complete message, newly
GOOSE message is only a complete message.Executing instruction of including in new GOOSE message refers to including trip command or combined floodgate
It enables.Certainly, execute instruction can there are many, it is not limited to trip command and two kinds of reclosing command.
In order to improve reliability, the intake that optocoupler will acquire in the present embodiment is also transmitted to while being transmitted to CPU
FPGA, when FPGA receives new GOOSE message, so that it may judge the position TEST in new GOOSE message data whether with from
The intake that body receives is consistent.Thus it is possible to prevente effectively from optocoupler is being arranged TEST in transmission intake and CPU
During generating new GOOSE message, intake is caused by changing the problem of new GOOSE message error.
As preferred embodiment, further includes: FPGA carries out the stabilization processing of predetermined time when receiving intake.
As preferred embodiment, the predetermined time is identical as the stabilization of the CPU processing time.As preferred embodiment party
Formula, predetermined time are greater than 1s.It is understood that the predetermined time can make according to the actual situation, do not represent only in this way
Embodiment.
The analysis method of the inspecting state of relay protection device of intelligent substation provided in this embodiment, what optocoupler will acquire
For intake simultaneous transmission to CPU and FPGA, CPU is arranged TEST after receiving intake, in conjunction with current GOOSE message,
Then it generates new GOOSE message and is sent to FPGA, FPGA judges in new GOOSE message after receiving new GOOSE message
TEST data whether with itself receive intake and be consistent, only in the case where the two is consistent, just by new GOOSE
Message is sent.It can be seen that by way of judgement forms redundancy again, can be improved FPGA and determine maintenance pressing plate
The reliability of state reduces the probability of failure or erroneous judgement.In addition, this method is without changing GOOSE message original structure and configuration.
As preferred embodiment, on the basis of the above embodiments, in order to further improve the reliability, the present embodiment
In, TEST data are arranged using more complicated representation, it is specific as follows.
TEST are indicated using 01011010B (0x5A) or 10100101B (0xA5), wherein 01011010B is maintenance pressure
Plate exits, and 10100101B is maintenance pressing plate investment.
Due to only existing one bit difference between 0 and 1,1 be accidentally set to 0 risk it is higher.Pass through complicated setting side
Formula can be further improved reliability of the data in transmission process.It is understood that above-mentioned only a kind of specific implementation
Mode does not represent and there was only a kind of this embodiment.
Fig. 3 is the analysis side of the inspecting state of another relay protection device of intelligent substation provided in an embodiment of the present invention
The flow chart of method.As shown in figure 3, as preferred embodiment, further includes:
New GOOSE message is fed back to CPU by S13:FPGA.
S14:CPU judges whether new GOOSE message changes.If it is not, then entering step S15.
S15: output warning message is with warning note.
New GOOSE message is fed back to by CPU by FPGA in the present embodiment, CPU judges whether new GOOSE message becomes
Change, if there is a change, then illustrates that currently transmitted new GOOSE message is not the new GOOSE message initially generated, therefore want defeated
Warning message is out with warning note.It can be seen that the present embodiment can find finally to be transferred to other packet sending and receiving modules in time
New GOOSE message it is whether correct.
It should be noted that the warning message of output, which can be sent to, will carry out the received packet sending and receiving module of message.
Such as after the packet sending and receiving module of protective device executes above-mentioned steps, message is sent to the packet sending and receiving module of intelligent terminal
In such scene, prompt messages can be sent to the packet sending and receiving module of intelligent terminal, the packet sending and receiving of intelligent terminal
Module does not temporarily handle the new GOOSE message received in the given time, after exceeding the predetermined time, then is handled, example
Such as judge whether the position TEST in new GOOSE message is identical as the position TEST of itself, and include in new GOOSE message executes instruction
For which kind of instruction.If receiving warning message in the given time, directly ignore the new GOOSE message received.
Why one predetermined time is set here is because, when CPU in protective device output warning message is also required to certain
Between.Predetermined time can be arranged according to the actual situation, repeat no more in the present embodiment.
As preferred embodiment, step S12 is specifically included:
Receive intake；
Receive new GOOSE message；
Judge whether TEST be consistent with intake；
If it is, sending new GOOSE message by optical port；
If it is not, then terminating.
The analysis method of the inspecting state of relay protection device of intelligent substation provided by the present invention is carried out above
It is discussed in detail.Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection scope of the claims in the present invention
It is interior.
Claims (8)
1. a kind of analysis method of the inspecting state of relay protection device of intelligent substation characterized by comprising
Optocoupler obtains the intake of maintenance pressing plate, and is sent to CPU and FPGA；
The position TEST in current GOOSE message is arranged when receiving the intake, according to the intake with life in the CPU
At new GOOSE message, and it is sent to FPGA；
The FPGA receives the new GOOSE message and the intake, and is consistent at described TEST with the intake
In the case where the new GOOSE message sent by optical port；
Wherein, the intake is investment or exits；
Further include:
The new GOOSE message is fed back to the CPU by the FPGA；
The CPU judges whether the new GOOSE message changes；
If it is, output warning message is with warning note；
Wherein, the warning message of output, which is sent to, will carry out the received packet sending and receiving module of message.
2. analysis method according to claim 1, which is characterized in that described TEST using 01011010B or
10100101B is indicated, wherein 01011010B is that maintenance pressing plate exits, and 10100101B is maintenance pressing plate investment.
3. analysis method according to claim 1, which is characterized in that the FPGA receives the new GOOSE message and institute
Intake is stated, and the new GOOSE message is sent by optical port in the case where being consistent with the intake for described TEST
It specifically includes:
Receive the intake；
Receive the new GOOSE message；
Judge whether described TEST be consistent with the intake；
If it is, sending the new GOOSE message by optical port；
If it is not, then terminating.
4. analysis method according to claim 1, which is characterized in that further include:
The FPGA carries out the stabilization processing of predetermined time when receiving the intake.
5. analysis method according to claim 4, which is characterized in that the stabilization of the predetermined time and the CPU are handled
Time is identical.
6. analysis method according to claim 5, which is characterized in that the predetermined time is greater than 1s.
7. analysis method according to claim 1, which is characterized in that relay protection device of intelligent substation includes protection dress
It sets or intelligent terminal.
8. analysis method according to claim 1, which is characterized in that include in the new GOOSE message executes instruction
Including trip command or reclosing command.
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| CN201611070197.1A CN106410973B (en) | 2016-11-28 | 2016-11-28 | A kind of analysis method of the inspecting state of relay protection device of intelligent substation |
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| CN201611070197.1A CN106410973B (en) | 2016-11-28 | 2016-11-28 | A kind of analysis method of the inspecting state of relay protection device of intelligent substation |
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| CN107171297B (en) * | 2017-05-18 | 2019-02-05 | 许继集团有限公司 | A kind of method and system for preventing protective relaying maloperation from making based on FPGA |
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| KR100896894B1 (en) * | 2007-08-23 | 2009-05-14 | 한국전기안전공사 | Intelligence control device of cabinet-panel and control method |
| CN101958577B (en) * | 2009-07-16 | 2012-11-07 | 浙江省电力公司 | Method for overhauling GOOSE in digital substation |
| CN104898005B (en) * | 2015-07-01 | 2018-06-05 | 贵州电网有限责任公司电力调度控制中心 | The test device of relay protection mixing output |
| CN105429094B (en) * | 2015-12-16 | 2018-02-16 | 南京南瑞继保电气有限公司 | A kind of apparatus and method for ensureing intelligent substation trip protection reliability |
| CN105656713A (en) * | 2015-12-22 | 2016-06-08 | 国电南瑞科技股份有限公司 | SMV and GOOSE message filter method based on FPGA |
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