CN106410973A - Analysis method for maintenance state of protective relaying device of intelligent transformer station - Google Patents
Analysis method for maintenance state of protective relaying device of intelligent transformer station Download PDFInfo
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- CN106410973A CN106410973A CN201611070197.1A CN201611070197A CN106410973A CN 106410973 A CN106410973 A CN 106410973A CN 201611070197 A CN201611070197 A CN 201611070197A CN 106410973 A CN106410973 A CN 106410973A
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- goose message
- intake
- fpga
- analysis method
- cpu
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Classifications
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- 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 an analysis method for the maintenance state of a protective relaying device of an intelligent transformer station. An optical coupler transmits the obtained input amount of a maintenance pressure plate to a CPU and an FPGA simultaneously; after receiving the input amount, the CPU sets a TEST bit by combining a present GOOSE message, generates a new GOOSE message and sends the new GOOSE message to the FPGA; and after receiving the new GOOSE message, the FPGA determines whether data of the TEST bit in the GOOSE message accords with the input amount received by the FPGA itself, and does not send out the new GOOSE message unless the data of the TEST bit accords with the input amount received by the FPGA itself. Thus, the FPGA determines a redundancy generating manner again, so that the reliability in determining the state of the maintenance pressure plate can be improved, and probabilities of failure or misjudgment are reduced. In addition, it is not required to replace the original structure and configuration of the GOOSE message.
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 technology
Conventional substation relay protection function is typically by protection device, vertical UNICOM road and interface equipment, cable secondary circuit
Realize Deng equipment, intelligent substation relay protection system, in addition to the said equipment, also comprises combining unit, intelligent terminal, mistake
The equipment such as journey layer switch.In being embodied as, between protection device and intelligent terminal, adopt optical fiber point-to-point connection.
In O＆M maintainer execution site safety measure, generally require and move back inspection in protection device and intelligent terminal's upslide
Repair pressing plate.Put into according to maintenance pressing plate or exit, protection device and intelligent terminal produce corresponding GOOSE message, and pass through
The state of maintenance pressing plate is embodied in TEST position in GOOSE message.In being embodied as, protection device and intelligent terminal are according to current
The TEST position of GOOSE message is carried out corresponding set by the state of maintenance pressing plate, and message reception device will receive GOOSE message
TEST position with itself maintenance pressing plate state be compared, do XOR judge, only when both are consistent, just basis
The execution information comprising in GOOSE message carries out action, otherwise disregards.
In prior art, the state for maintenance pressing plate is to be determined by the TEST position of GOOSE message, and TEST position is 1 table
Show input, TEST position is that 0 expression is exited.Packet sending and receiving module includes the modules such as optocoupler, CPU and FPGA, optocoupler and maintenance pressing plate
Outfan connect, for obtain maintenance pressing plate intake, then intake is sent to CPU, CPU enters with reference to this intake
Row coding, will TEST position 1 or 0 in GOOSE message, then new GOOSE message is sent to FPGA, FPGA passes through report
The optical port of civilian transceiver module is sent with multicast mode.
Due to only existing the difference of a bit position between 0 and 1,1 be set to by mistake 0 risk higher.All transport in device software and hardware
In the case of row is normal, being effectively isolated of repair apparatus and operation equipment can be realized using above-mentioned maintenance mechanism, but work as GOOSE
When inspecting state correctly can not be reflected for some reason in the TEST position of message, GOOSE maintenance mechanism will lose efficacy.
In sum, the state of maintenance pressing plate in prior art, is only determined by the judged result of a TEST position, its
Reliability is low, easily lost efficacy and led to judge by accident.As can be seen here, the reliability how improving the state determining maintenance pressing plate is ability
Field technique personnel's problem demanding prompt solution.
Content of the invention
It is an object of the invention to provide a kind of analysis method of the inspecting state of relay protection device of intelligent substation, it is used for
Overcome in prior art, the reliability only state of maintenance pressing plate being determined by the judged result of a TEST position and leading to
Problem that is low, easily losing efficacy.
For solving above-mentioned technical problem, the present invention provides a kind of dividing of inspecting state of relay protection device of intelligent substation
Analysis method, including：
Optocoupler obtains the intake of maintenance pressing plate, and sends to CPU and FPGA；
Described CPU, when receiving described intake, arranges the TEST position in current GOOSE message according to described intake
To generate new GOOSE message, and send to FPGA；
Described FPGA receives described new GOOSE message and described intake, and in described TEST position and described intake phase
In the case of meeting, described new GOOSE message is sent by optical port；
Wherein, described intake is to put into or exit.
Preferably, described TEST position is represented using 01011010B or 10100101B, and wherein, 01011010B is maintenance pressure
Plate exits, and 10100101B is that maintenance pressing plate puts into.
Preferably, also include：
Described new GOOSE message is fed back to described CPU by described FPGA；
Described CPU judges whether described new GOOSE message changes；
If it is not, then output warning message is with alarm.
Preferably, described FPGA receives described new GOOSE message and described intake, and opens with described in described TEST position
Enter to send described new GOOSE message by optical port in the case that amount is consistent and specifically include：
Receive described intake；
Receive described new GOOSE message；
Judge whether described TEST position is consistent with described intake；
If it is, described new GOOSE message is sent by optical port；
If it is not, then terminating.
Preferably, also include：
The stabilization that described FPGA carries out the scheduled time when receiving described intake is processed.
Preferably, the described scheduled time is identical with the stabilization process time of described CPU.
Preferably, the described scheduled time is more than 1s.
Preferably, relay protection device of intelligent substation includes protection device or intelligent terminal.
Preferably, the execute instruction comprising in described new GOOSE message includes trip command or reclosing command.
The analysis method of the inspecting state of relay protection device of intelligent substation provided by the present invention, optocoupler by obtain
Intake is simultaneously transmit to CPU and FPGA, and CPU, after receiving intake, arranges TEST position in conjunction with current GOOSE message,
Then generate new GOOSE message and send to FPGA, FPGA, after receiving new GOOSE message, judges in new GOOSE message
The data of TEST position whether with itself receive intake and be consistent, only in the case that the two is consistent, just by new GOOSE
Message sends.As can be seen here, by way of the formation redundancy of judgement again of FPGA, can improve and determine maintenance pressing plate
The reliability of state, reduces the probability losing efficacy or judging by accident.In addition, this method need not change GOOSE message original structure and configuration.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention, the accompanying drawing of use required in embodiment will be done simply below
Introduce it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying 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 kind relay protection device of intelligent substation provided in an embodiment of the present invention
The flow chart of method.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, under the premise of not making creative work, obtained is every other for those of ordinary skill in the art
Embodiment, broadly falls into the scope of the present invention.
The core of the present 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 prior art, the reliability only state of maintenance pressing plate being determined by the judged result of a TEST position and leading to
Problem that is low, easily losing efficacy.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Structure firstly, for packet sending and receiving module illustrates.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 ingredients such as optocoupler 10, CPU11 and FPGA12.
Optocoupler 10 is connected with the intake outfan of maintenance pressing plate, for obtaining intake, and transmits to CPU11 and FPGA12.CPU11
It is core, for generating GOOSE message, the GOOSE message that FPGA12 is used for generating CPU11 is sent to other packet sending and receiving moulds
Block so that other packet sending and receiving module is compared with the TEST position receiving in GOOSE message according to the TEST position of itself, from
And determine whether to execute the execute instruction comprising in GOOSE message.
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 sends to CPU and FPGA.
S11：, when receiving intake, the TEST position arranging according to intake in current GOOSE message is new to generate for CPU
GOOSE message, and send to FPGA.
S12：FPGA receives new GOOSE message and intake, and passes through in the case that TEST position is consistent with intake
Optical port sends new GOOSE message.
It is understood that above-mentioned steps S10-S1:2 go for any protective relaying device, and for example intelligence is whole
End or protection device.In being embodied as, usual protection device is the control by GOOSE message realization to intelligent terminal, because
This, protection device is achieved that after execution above three step and for GOOSE message to be transferred to intelligent terminal, intelligent terminal exists
After receiving GOOSE message, it is compared with the intake of the maintenance pressing plate of itself, if consistent, in execution GOOSE message
The instruction instruction comprising, if it is inconsistent, ignore.Specific maintenance mechanism is referring to table 1.
Concrete maintenance mechanism is shown in Table 1.
Table 1 maintenance mechanism illustrates table
In the present embodiment, intake includes putting into and exiting, and optocoupler transmits the intake of acquisition to CPU, and CPU is just permissible
TEST position in current GOOSE message is encoded, the data that is consistent with intake will be arranged in TEST position, for example may be used
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.The execute instruction comprising in new GOOSE message includes trip command or combined floodgate refers to
Order.Certainly, execute instruction can have multiple it is not limited to trip command and two kinds of reclosing command.
In order to improve reliability, in the present embodiment optocoupler by the intake of acquisition transmit to also transmit while CPU to
FPGA, when FPGA receives new GOOSE message it is possible to judge the data of the TEST position in new GOOSE message whether with from
The intake that body receives is consistent.Optocoupler thus can be prevented effectively from transmission intake and CPU in setting TEST position
During generating new GOOSE message, the problem of the new GOOSE message error that intake changes and leads to.
As preferred embodiment, also include：The stabilization that FPGA carries out the scheduled time when receiving intake is processed.
As preferred embodiment, the scheduled time is identical with the stabilization process time of CPU.As preferred embodiment party
Formula, the scheduled time is more than 1s.It is understood that the scheduled time can according to practical situation so that, only in this way do not represent
Embodiment.
The present embodiment provide the inspecting state of relay protection device of intelligent substation analysis method, optocoupler by obtain
Intake is simultaneously transmit to CPU and FPGA, and CPU, after receiving intake, arranges TEST position in conjunction with current GOOSE message,
Then generate new GOOSE message and send to FPGA, FPGA, after receiving new GOOSE message, judges in new GOOSE message
The data of TEST position whether with itself receive intake and be consistent, only in the case that the two is consistent, just by new GOOSE
Message sends.As can be seen here, by way of the formation redundancy of judgement again of FPGA, can improve and determine maintenance pressing plate
The reliability of state, reduces the probability losing efficacy or judging by accident.In addition, this method need not change GOOSE message original structure and configuration.
As preferred embodiment, on the basis of above-described embodiment, in order to improve reliability, the present embodiment further
In, the data of TEST position is adopted complex representation setting, specific as follows.
TEST position adopts 01011010B (0x5A) or 10100101B (0xA5) to represent, wherein, 01011010B is maintenance pressure
Plate exits, and 10100101B is that maintenance pressing plate puts into.
Due to only existing the difference of a bit position between 0 and 1,1 be set to by mistake 0 risk higher.By complicated setting side
Formula, can improve reliability in transmitting procedure for the data further.It is understood that above-mentioned simply a kind of specific enforcement
Mode, does not represent a kind of only this embodiment.
Fig. 3 is the analysis side of the inspecting state of another kind 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, also including：
S13：New GOOSE message is fed back to CPU by FPGA.
S14：CPU judges whether new GOOSE message changes.If it is not, then entering step S15.
S15：Output warning message is with alarm.
In the present embodiment, new GOOSE message is fed back to by CPU by FPGA, CPU judges whether new GOOSE message becomes
Change, in the event of changing, then illustrate that currently transmitted new GOOSE message is not the new GOOSE message initially generating, therefore defeated
Go out warning message with alarm.As can be seen here, the present embodiment can find finally to be transferred to other packet sending and receiving modules in time
New GOOSE message whether correct.
It should be noted that the warning message of output can be sent to the packet sending and receiving module that will carry out message reception.
For example after the packet sending and receiving module execution above-mentioned steps of protection device, message is sent to the packet sending and receiving module of intelligent terminal
In such scene, prompt messages can send to the packet sending and receiving module of intelligent terminal, the packet sending and receiving of intelligent terminal
Module does not temporarily process the new GOOSE message receiving in the given time, after beyond the scheduled time, then is processed, example
As judged the execute instruction that whether the TEST position in new GOOSE message is identical with the TEST position of itself, comprises in new GOOSE message
For which kind of instruction.If receiving warning message in the given time, directly ignore the new GOOSE message receiving.
Here why will arrange a scheduled time is because, when the CPU in protection device exports warning message and is also required to certain
Between.The scheduled time can be arranged according to practical situation, repeats no more in the present embodiment.
As preferred embodiment, step S12 specifically includes：
Receive intake；
Receive new GOOSE message；
Judge whether TEST position is consistent with intake；
If it is, new GOOSE message is sent by optical port；
If it is not, then terminating.
Above the analysis method of the inspecting state of relay protection device of intelligent substation provided by the present invention is carried out
It is discussed in detail.In description, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it corresponds to the method disclosed in Example, so description is fairly simple, say referring to method part in place of correlation
Bright.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention,
The present invention can also be carried out with some improvement and modify, these improve and modify the protection domain also falling into the claims in the present invention
Interior.
Claims (9)
1. a kind of analysis method of the inspecting state of relay protection device of intelligent substation is it is characterised in that include：
Optocoupler obtains the intake of maintenance pressing plate, and sends to CPU and FPGA；
Described CPU when receiving described intake, according to described intake arrange current GOOSE message in TEST position with life
Become new GOOSE message, and send to FPGA；
Described FPGA receives described new GOOSE message and described intake, and is consistent with described intake in described TEST position
In the case of described new GOOSE message is sent by optical port；
Wherein, described intake is to put into or exit.
2. analysis method according to claim 1 it is characterised in that described TEST position adopt 01011010B or
10100101B represents, wherein, 01011010B is that maintenance pressing plate exits, and 10100101B is that maintenance pressing plate puts into.
3. analysis method according to claim 1 and 2 is it is characterised in that also include：
Described new GOOSE message is fed back to described CPU by described FPGA；
Described CPU judges whether described new GOOSE message changes；
If it is not, then output warning message is with alarm.
4. analysis method according to claim 1 is it is characterised in that described FPGA receives described new GOOSE message and institute
State intake, and in the case that described TEST position is consistent with described intake, described new GOOSE message is sent by optical port
Specifically include：
Receive described intake；
Receive described new GOOSE message；
Judge whether described TEST position is consistent with described intake；
If it is, described new GOOSE message is sent by optical port；
If it is not, then terminating.
5. analysis method according to claim 1 is it is characterised in that also include：
The stabilization that described FPGA carries out the scheduled time when receiving described intake is processed.
6. analysis method according to claim 5 is it is characterised in that the stabilization of the described scheduled time and described CPU is processed
Time is identical.
7. analysis method according to claim 6 it is characterised in that the described scheduled time be more than 1s.
8. analysis method according to claim 1 is it is characterised in that relay protection device of intelligent substation includes protection dress
Put or intelligent terminal.
9. analysis method according to claim 1 is it is characterised in that the execute instruction that comprises in described new GOOSE message
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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171297A (en) * | 2017-05-18 | 2017-09-15 | 许继集团有限公司 | A kind of method and system that protective relaying maloperation is made of preventing based on FPGA |
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| CN104898005A (en) * | 2015-07-01 | 2015-09-09 | 贵州电网有限责任公司电力调度控制中心 | Relay protection mixed output test device |
| CN105429094A (en) * | 2015-12-16 | 2016-03-23 | 南京南瑞继保电气有限公司 | Device and method for ensuring reliability of protection trip of intelligent substation |
| 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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| KR20090020220A (en) * | 2007-08-23 | 2009-02-26 | 한국전기안전공사 | Intelligence control device of cabinet-panel and control method |
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