CN103235217B - Dual protection act consistance monitoring device and monitoring method - Google Patents
Dual protection act consistance monitoring device and monitoring method Download PDFInfo
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- CN103235217B CN103235217B CN201310124674.8A CN201310124674A CN103235217B CN 103235217 B CN103235217 B CN 103235217B CN 201310124674 A CN201310124674 A CN 201310124674A CN 103235217 B CN103235217 B CN 103235217B
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- 230000009977 dual effect Effects 0.000 title claims abstract description 43
- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012806 monitoring device Methods 0.000 title claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 39
- 238000012545 processing Methods 0.000 claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 241000272814 Anser sp. Species 0.000 claims description 24
- 239000013307 optical fiber Substances 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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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
- 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
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
The invention discloses a kind of dual protection act consistance monitoring device, comprise optical module, for receiving the analog input amount of dual protective device, switch changed position output quantity and the communication data with background monitoring, processing module, for processing rear output to the output data of optical module; Ethernet transport module, for transmitting the output data of processing module; Background process alarm module, for receiving the data of Ethernet transport module transmission and reporting to the police after analyzing and processing.Auxiliary relay protection People Analysis failure cause, can help operation maintenance personnel to get rid of fast to be whether the reason of protection self and the fault that causes, provide effective foundation.
Description
Technical field
The present invention relates to intelligent substation, particularly relate to the monitoring device that in a kind of intelligent substation, whether checking two cover protection act is consistent.
Background technology
At present, 220KV and above transformer station are all furnished with dual protection, but do not have action consistency testing fixture, and oscillograph can access analog quantity and the switching value of dual protection, but not doing action consistency judges.Electrical network mesohigh and Ultra-high Voltage Substations are generally pivot point, the reliable and whether safe safe operation being directly connected to whole electrical network that it runs.Break down or irregular operating state time, whether can judge culprit rapidly, accurately, this has significant impact to the safe operation of whole system.In order to find out fault rapidly, exactly, fault diagnosis more and more comes into one's own.
Summary of the invention
The object of this invention is to provide a kind of dual protection act consistance monitoring device, operation maintenance personnel can be helped to get rid of fast be whether the reason of protective device self and the fault caused, effective foundation is provided.
The present invention adopts following technical proposals: a kind of dual protection act consistance monitoring device, comprises optical module, for receiving the analog input amount of dual protective device, switch changed position output quantity and the communication data with background monitoring; Processing module, for processing rear output to the output data of optical module;
Ethernet transport module, for transmitting the output data of processing module; Background process alarm module, for receiving the data of Ethernet transport module transmission and reporting to the police after analyzing and processing.
The analog input amount of described dual protective device is the output quantity of merge cells, and merge cells is connected with optical module by optical fiber; Described dual protective device is connected with GOOSE network, and the mirror port optical fiber of the switch of GOOSE network is connected with optical module; The mirror port of the switch of the station level of described background monitoring is connected with optical module by optical fiber.
The analog input amount of dual protective device is SV message, and switch changed position output quantity is GOOSE message, and the output quantity of background monitoring is MMS message.
Described processing module is FPGA.
Interface when also including B code pair, during B code pair, interface is connected with described FPGA.
According to the monitoring method that described dual protection act consistance monitoring device realizes, comprise the following steps: the output quantity of the analog input amount of (1), Real-time Collection dual protective device, switch changed position output quantity and background monitoring;
(2), from the analog input amount of dual protective device and the output quantity of merge cells, parsing the real time instant electric discharge duration of analog quantity, obtaining real-time effective value by calculating; The switching value displacement information of protective device is parsed from switch changed position output quantity;
(3), with time unifying, compare input quantity and the output quantity of two cover measure and control devices, judge that whether two cover measure and control devices are consistent, when effective value rate is greater than the threshold values of regulation, send alarm.
The analog input amount of described dual protective device is SV message, and switch changed position output quantity is GOOSE message, and the output quantity of background monitoring is MMS message.
Be by processing modules implement in described step (2), described processing module is FPGA, and it adopts full parellel processing mode, filters non-SV message, non-GOOSE message and non-MMS message; FPGA stamps timestamp by interface during B code pair to SV message, makes the SV message time of two protective devices consistent.
In described step (2), FPGA calculates and obtains real-time effective value is calculated by sliding window to obtain real-time effective value.
The analog input amount of described dual protective device is the output quantity of merge cells, and merge cells is connected with optical module by optical fiber; Described dual protective device is connected with GOOSE network, and the mirror port optical fiber of the switch of GOOSE network is connected with optical module; The mirror port of the switch of the station level of described background monitoring is connected with optical module by optical fiber.
The present invention carries out Real-time Collection monitoring by the input to dual protective device, output quantity; then the input/output information analyzing the protection of contrast dual is carried out; when grid collapses; judge that in same interval, whether two cover protection act are consistent; auxiliary relay protection People Analysis failure cause; operation maintenance personnel can be helped to get rid of fast be whether the reason of protection self and the fault that causes, effective foundation is provided.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is use principle figure of the present invention.
Embodiment
As shown in Figure 1, a kind of dual protection act of the present invention consistance monitoring device, comprise optical module, processing module, Ethernet transport module, background process alarm module, described optical module is for gathering the analog input amount of dual protective device, switch changed position output quantity and the communication data with background monitoring; Described processing module is used for processing rear output to the output data of optical module; Described Ethernet transport module is used for the output data of processing module to transmit; Described background process alarm module is for receiving the data of Ethernet transport module transmission and reporting to the police after analyzing and processing.
The analog input amount of described dual protective device is the output quantity of merge cells, and merge cells is connected with optical module by optical fiber; Described dual protective device is connected with GOOSE network, and the mirror port optical fiber of the switch of GOOSE network is connected with optical module; The mirror port of the switch of the station level of described background monitoring is connected with optical module by optical fiber.The analog input amount of dual protective device is SV message, and switch changed position output quantity is GOOSE message, and the output quantity of background monitoring is MMS message.When described processing module is FPGA, B code pair, interface is connected with described FPGA.
Present invention also offers a kind of dual protection act consistance monitoring method, comprise the following steps: the communication message of the analog input amount of (1), Real-time Collection dual protective device, switch changed position output quantity and background monitoring;
(2), from the analog input amount of dual protective device and the output quantity of merge cells, parsing the real time instant electric discharge duration of analog quantity, obtaining real-time effective value by calculating; The switching value displacement information of protective device is parsed from switch changed position output quantity;
(3), with time unifying, compare input quantity and the output quantity of two cover measure and control devices, judge that whether two cover measure and control devices are consistent, when effective value rate is greater than the threshold values of regulation, send alarm.
The analog input amount of wherein said dual protective device is SV message, and switch changed position output quantity is GOOSE message, and the output quantity of background monitoring is MMS message.The analog input amount of described dual protective device is the output quantity of merge cells, and merge cells is connected with optical module by optical fiber; Described dual protective device is connected with GOOSE network, and the mirror port optical fiber of the switch of GOOSE network is connected with optical module; The mirror port of the switch of the station level of described background monitoring is connected with optical module by optical fiber.
Be by processing modules implement in described step (2), described processing module is FPGA, and it adopts full parellel processing mode, filters non-SV message, non-GOOSE message and non-MMS message (often kind of message all has specific banner word and specific form); FPGA stamps timestamp by interface during B code pair to SV message, makes the SV message time of two protective devices consistent.In described step (2), FPGA calculates and obtains real-time effective value is calculated by sliding window to obtain real-time effective value.
The present invention adopts optical module to receive all network packet, through fpga chip pre-service, and stamp timestamp, then send to core cpu plate to carry out software analysis and process by Ethernet chip, wherein FPGA has filtering function, and non-SV, GOOSE and MMS message is directly abandoned; FPGA adopts full parellel processing mode, can not produce problem time lag that serial processing mode is brought.FPGA monitors the input/output information of two cover protective devices: to the Real-time Collection that analog quantity (SV message) inputs, switch changed position (GOOSE message) exports and background monitoring (MMS message) exports of two cover protective devices, the real time instant electric discharge duration of analog quantity is parsed from SV message, real-time effective value is obtained, to obtain the analog input of two cover protective devices by calculating; Background process alarm module is sent to parse the switching value displacement information of protection from GOOSE message after; background process alarm module is by automatically comparing input and output information; whether consistent to judge two cover protection act; if exceed threshold value; then send alarm signal; for often kind of alarm, all the message of front and back a period of time can be preserved with file mode, form alarm transient state file.In operational process, can the relevant data of real time inspection, as altogether received how many packets, packet rate, packet total flow, real time modelling amount waveform, phase angle figure, on-off state etc.
Wherein same merge cells must ensure to send to proterctive equipment and this device SV message data completely the same, the merge cells of current domestic most producer all can ensure the consistance of data.
Claims (7)
1. a dual protection act consistance monitoring device, is characterized in that: comprise optical module, for receiving the analog input amount of dual protective device, switch changed position output quantity and the communication data with background monitoring;
Processing module, for processing rear output to the output data of optical module;
Ethernet transport module, for transmitting the output data of processing module;
Background process alarm module, for receiving the data of Ethernet transport module transmission and reporting to the police after analyzing and processing;
The analog input amount of described dual protective device is the output quantity of merge cells, and merge cells is connected with optical module by optical fiber; Described dual protective device is connected with GOOSE network, and the mirror port optical fiber of the switch of GOOSE network is connected with optical module; The mirror port of the switch of the station level of described background monitoring is connected with optical module by optical fiber;
The analog input amount of described dual protective device is SV message, and switch changed position output quantity is GOOSE message, and the output quantity of background monitoring is MMS message; Described processing module is FPGA.
2. dual protection act consistance monitoring device according to claim 1, is characterized in that: interface when also including B code pair, during B code pair, interface is connected with described FPGA.
3. the monitoring method that realizes of dual protection act consistance monitoring device according to claim 1, is characterized in that: comprise the following steps: the output quantity of the analog input amount of (1), Real-time Collection dual protective device, switch changed position output quantity and background monitoring;
(2), from the analog input amount of dual protective device and the output quantity of merge cells, parsing the real time instant electric discharge duration of analog quantity, obtaining real-time effective value by calculating; The switching value displacement information of protective device is parsed from switch changed position output quantity;
(3), with time unifying, compare input quantity and the output quantity of two cover measure and control devices, judge that whether two cover measure and control devices are consistent, when effective value rate is greater than the threshold values of regulation, send alarm.
4. monitoring method according to claim 3, is characterized in that: the analog input amount of dual protective device is SV message, and switch changed position output quantity is GOOSE message, and the output quantity of background monitoring is MMS message.
5. monitoring method according to claim 3, is characterized in that: be by processing modules implement in described step (2), described processing module is FPGA, and it adopts full parellel processing mode, filters non-SV message, non-GOOSE message and non-MMS message; FPGA stamps timestamp by interface during B code pair to SV message, makes the SV message time of two protective devices consistent.
6. property monitoring method according to claim 5, is characterized in that: in described step (2), FPGA calculates and obtains real-time effective value is calculated by sliding window to obtain real-time effective value.
7., according to the arbitrary described monitoring method of claim 3 to 6, it is characterized in that: the analog input amount of described dual protective device is the output quantity of merge cells, and merge cells is connected with optical module by optical fiber; Described dual protective device is connected with GOOSE network, and the mirror port optical fiber of the switch of GOOSE network is connected with optical module; The mirror port of the switch of the station level of described background monitoring is connected with optical module by optical fiber.
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| CN201310124674.8A CN103235217B (en) | 2013-04-11 | 2013-04-11 | Dual protection act consistance monitoring device and monitoring method |
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| CN103235217B true CN103235217B (en) | 2015-11-18 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322517A (en) * | 2015-08-28 | 2016-02-10 | 广西电网有限责任公司电力科学研究院 | Control method for automatically selecting effective signal |
| CN106302460A (en) * | 2016-08-16 | 2017-01-04 | 许继集团有限公司 | Process layer point-to-point SV sending method and system |
| CN106487095A (en) * | 2016-10-28 | 2017-03-08 | 广东电网有限责任公司电力调度控制中心 | Relay protection on-line monitoring method based on redundancy relationship and system |
| CN108983659B (en) * | 2018-07-17 | 2020-11-03 | 中国船舶重工集团公司第七0三研究所 | Marine power protection device and method based on CPU and FPGA framework |
| CN111669339B (en) * | 2020-05-25 | 2022-02-15 | 武汉大学 | Intelligent energy station control layer service priority division and PDWRR queue scheduling method |
| CN113889987A (en) * | 2021-10-13 | 2022-01-04 | 上海许继电气有限公司 | Fault processing method and device based on double sets of protection actions |
| CN117761584B (en) * | 2024-02-22 | 2024-05-17 | 保定华创电气有限公司 | Fault detection method and device for power transformer, electronic equipment and medium |
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