CN103823199A - Automatic detection system and detection method for intelligent substation relay protection testing device - Google Patents
Automatic detection system and detection method for intelligent substation relay protection testing device Download PDFInfo
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Abstract
The invention discloses an automatic detection system and detection method for an intelligent substation relay protection testing device. The automatic detection system for the intelligent substation relay protection testing device comprises a control management machine and a detection executive device. The detection method for the intelligent substation relay protection testing device comprises an automatic detection mode and a manual detection mode. The automatic detection system for the intelligent substation relay protection testing device and the detection method thereof solve the problems that in the prior art, different testing environments need to be structured when different functions of a relay protection testing device are tested, operation is complex and tedious to achieve, and automatic detection cannot be carried out on the relay protection testing device.
Description
Technical field
The present invention relates to intelligent substation relay-protection tester automated detection system and detection method, belong to power automation technical field.
Background technology
Along with applying of IEC 61850 standards systems, the smart machines such as electronic mutual inductor, analog input merge cells, intelligent terminal progressively practical, the information interaction mode in intelligent substation between equipment is replaced by ethernet communication by a large amount of cable transmission.Relay-protection tester is as the visual plant that detects secondary device function and performance in electric system, and its implementation and input, the way of output also certainly will be complied with the development of intelligent substation demand, meets the test request of smart machine.
It is FT3 according to IEC61850-9-2 or IEC60044-7/8(that intelligent substation relay-protection tester can be simulated merge cells (MU)) frame format transmission sampled value; by subscribing to, issuing GOOSE message, the smart machines such as relay protection, observing and controlling, watt-hour meter are carried out to closed loop test.Tester is also sent to equipment under test by voltage, the magnitude of current and switching value in real time according to IEC61850 protocol packing, and the actuating signal of equipment under test feeds back to tester, tester changes amplitude, phase place or the state of output quantity according to certain test method, and monitor the correctness of feedback quantity, realize the closed loop test of corresponding function and performance.
Correct and the performance of intelligent substation relay-protection tester function reliable, is warranty test result necessary condition accurately, is also the pacing items of assurance Intelligent Substation System reliability service.But, current domestic special test equipment or the test macro for intelligent substation relay-protection tester that also do not have.Checking relay-protection tester function and performance can only be undertaken by other round-about way, and this makes to verify that different functions need to build different test environments, realize complexity, loaded down with trivial details, more cannot realize the automatic detection to relay-protection tester.
Summary of the invention
The invention provides a kind of intelligent substation relay-protection tester automated detection system and detection method; realize for the detection system of intelligent substation relay-protection tester and the detection method of this system; while having solved prior art checking relay-protection tester difference in functionality, need to build different test environments; realize complexity, loaded down with trivial details, more cannot realize the problem that relay-protection tester is detected automatically.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
Intelligent substation relay-protection tester automated detection system, comprises control and management machine and detects actuating unit; Described control and management machine is in order to formulate Detection task, distribute Detection task for detecting actuating unit, control the output of relay-protection tester, monitor testing process, receive and store the testing result that detects actuating unit, automatically generate examining report according to testing result, described control and management machine comprises plan module, process monitoring module, report generation module and memory module; Described detection actuating unit receives the Detection task that control and management machine distributes, and receives and store all messages of relay-protection tester output, according to the Detection task Treatment Analysis message distributing, completes Detection task and testing result is sent to control and management machine; Described detection actuating unit comprise FPGA, CPU, clock module, power module, the first Ethernet interface, the second Ethernet interface, optical Ethernet interface, light serial ports and light B code to time interface; Described power module is for detecting actuating unit power supply, described FPGA is connected with CPU, described FPGA and CPU are all connected with memory device, described clock module is connected with FPGA and CPU respectively, described CPU, the first Ethernet interface and the second Ethernet interface are connected successively, described optical Ethernet interface, light serial ports and light B code to time interface be all connected with FPGA, described the second Ethernet interface, optical Ethernet interface, light serial ports and light B code to time interface as the connectivity port of detecting actuating unit and relay-protection tester, be connected with relay-protection tester respectively; Described the first Ethernet interface also, as detecting actuating unit and control and management machine connectivity port, is connected with the Ethernet interface of control and management machine.
The memory device being connected with FPGA comprises ROM, RAM; The memory device being connected with CPU comprises ROM, RAM and FLASH.
Described control and management machine is PC or industrial computer.
The detection method of intelligent substation relay-protection tester automated detection system, is characterized in that: comprise autosensing mode and manual detecting pattern;
The process of described autosensing mode comprises the following steps:
Step (A1), formulates Detection task: select test item, set up Detection task list;
Step (B1), control and management machine calls the XML format parameter file of control interface function in dynamic link library and the in advance unified definition corresponding with test item, realizes the output control to relay-protection tester;
Step (C1), detects actuating unit and receives all messages that relay-protection tester is exported;
Step (D1), detects the message that actuating unit receives according to test item Treatment Analysis, obtains testing result, and testing result is sent to control and management machine;
Step (E1), checks whether Detection task list has had test item, if had, repeating step (B1), to step (D1), detects the next item down test item, if not, goes to step (F1);
Step (F1), control and management organizational security is deposited all testing results of reception, and generates examining report;
The process of described manual detecting pattern comprises the following steps:
Step (A2), formulates Detection task: select test item;
Step (B2), a selected test item, the XML format parameter file that manual configuration is corresponding with selected test item;
Step (C2), manually controls relay-protection tester and exports according to the parameter in corresponding XML format parameter file;
Step (D2), detects actuating unit and receives all messages that relay-protection tester is exported;
Step (E2), detects the message that actuating unit receives according to test item Treatment Analysis, obtains testing result, and testing result is sent to control and management machine;
Whether step (F2), detect and finish, if do not finished, repeating step (D2), to step (E2), if finished, goes to step (G2);
Step (G2), control and management organizational security is deposited all testing results of reception, and generates examining report.
Described realization is as follows to the output control method of relay-protection tester,
A) control and management machine loads dynamic link library automatically, calls the online function in dynamic link library, detects abnormality processing flow process if online failure directly enters, detection of end, unloading dynamic link library; If online success, enters subsequent step;
B) check the parameter in the XML format parameter file corresponding with test item;
C) call the control interface function in dynamic link library, the XML format parameter file transfers corresponding with test item, to relay-protection tester, controlled to the output of relay-protection tester;
D) output if relay-protection tester fails, directly enters and detects abnormality processing flow process, detection of end, unloading dynamic link library; If relay-protection tester is successfully exported, enter subsequent step;
E) if test item just starts test for relay-protection tester without external trigger, control and management machine directly calls the result queries interface function in dynamic link library, checks whether relay-protection tester produces test findings; If test item needs external trigger just can test for relay-protection tester, control and management machine calls the trigger interface function in dynamic link library, triggering relay-protection tester tests, then control and management machine calls the result queries interface function in dynamic link library again, checks whether relay-protection tester produces test findings;
F), if relay-protection tester does not produce test findings, check whether relay-protection tester has stopped test, if do not stop test, continues to call the result queries interface function in dynamic link library, and the test findings of relay-protection tester is inquired about; If relay-protection tester has stopped test, stop detecting;
G) if the existing test findings of relay-protection tester, control and management machine is analyzed, is processed the test findings of relay-protection tester, judge the correctness of relay-protection tester test findings, then check and whether need relay-protection tester to proceed to detect, if desired, repeating step B) to step D); If do not need, stop detecting;
H) discharge and detect, the dynamic link library of unloading tested device.
The invention has the beneficial effects as follows: 1, the present invention has realized intelligent substation relay-protection tester automated detection system by the control and management machine and the detection actuating unit that connect, fill up the test macro blank of domestic relay-protection tester, the confidence level that has improved relay-protection tester test result, has guaranteed intelligent substation reliability service; 2, control and management machine of the present invention is by calling control interface function and the XML format parameter file in dynamic link library, realize the output control to relay-protection tester, detect the message that actuating unit received and processed relay-protection tester output, detect the technical indicator of relay-protection tester, realize automatically, closed loop, standardization detect; 3, detection method of the present invention comprises autosensing mode and manual detecting pattern, and autosensing mode only need to be formulated Detection task, does not need other to intervene, and automatically forms examining report; Manually detecting pattern, can the flexible configuration XML format parameter file corresponding with selected test item, and can read and investigate detection for a certain test item.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of intelligent substation relay-protection tester automated detection system.
Fig. 2 is the process flow diagram of the autosensing mode of intelligent substation relay-protection tester automated detection system.
Fig. 3 is the process flow diagram of the manual detecting pattern of intelligent substation relay-protection tester automated detection system.
Fig. 4 is the process flow diagram of realizing the output control to relay-protection tester.
Embodiment
Below in conjunction with Figure of description, the invention will be further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, intelligent substation relay-protection tester automated detection system, comprises control and management machine and detects actuating unit.
Described control and management machine is Man Machine Interface; for PC or industrial computer; in order to formulate Detection task; distribute Detection task for detecting actuating unit; control the output of relay-protection tester, monitor testing process, receive and store the testing result that detects actuating unit; automatically generate examining report according to testing result, control and management machine comprises the software function modules such as plan module, process monitoring module, report generation module and memory module.Plan module is in order to formulate Detection task; Process monitoring module is in order to monitor testing process; Report generation module is in order to automatically to generate examining report according to testing result.
Described detection actuating unit receives the Detection task that control and management machine distributes, and receives and store all messages of relay-protection tester output, according to the Detection task Treatment Analysis message distributing, completes Detection task and testing result is sent to control and management machine.Described detection actuating unit comprise FPGA, CPU, clock module, power module, the first Ethernet interface, the second Ethernet interface, optical Ethernet interface, light serial ports and light B code to time interface; Described FPGA is connected with CPU, described FPGA and CPU are all connected with memory device, described clock module is connected with FPGA and CPU respectively, described CPU, the first Ethernet interface and the second Ethernet interface are connected successively, described optical Ethernet interface, light serial ports and light B code to time interface be all connected with FPGA, described the second Ethernet interface, optical Ethernet interface, light serial ports and light B code to time interface as the connectivity port of detecting actuating unit and relay-protection tester, be connected with relay-protection tester respectively; Described the first Ethernet interface also, as detecting actuating unit and control and management machine connectivity port, is connected with the Ethernet interface of control and management machine.
In above-mentioned detection actuating unit, all parts concrete function is as follows:
(1) FPGA realizes the reception & disposal of message, realize hardware accurately and beat markers function, and real time parsing message content, the memory device that described FPGA connects comprises ROM, RAM, wherein ROM is used for storing self hardware working procedure, and RAM realizes the buffer memory of message data.
(2) described CPU receives the detection plan that control and management machine distributes, controlling FPGA executes the task, receive the message data of FPGA through rough handling, realize further analysis, the abnormality detection of message data, complete high precision computation and message consistency analysis, the functions such as message data storage, its storage realizes by ROM, the RAM and the FLASH that are connected with CPU, between CPU and FPGA, carries out the mutual of data message and control information by high speed, reliable PCIE.
(3) luminiferous ether network interface meets DL/T 860.92(IEC61850-9-2 for what receive relay-protection tester output) the SV message of stipulations, meet DL/T 860.81(IEC61850-8-1) the GOOSE message of stipulations.
(4) light serial ports is used for receiving relay-protection tester output and meets GB/T 20840.8(IEC60044-8) the SV message of stipulations.
(5) clock module is mainly used in safeguarding the time system that detects actuating unit, for FPGA provides clock information accurately, also can by light B code to time interface synchronizing signal is externally provided, the time of clock module can by light B code to time interface synchronize with external clock, but also self keep time.
(6) light B code to time interface be mainly used in externally output and input B coded signal.
(7) power module is whole detection actuating unit power supply.
(8) first Ethernet interfaces are used for and control and management machine interactive information; receive the plan target that control and management machine issues; uploading detection result; the control interface order of simultaneously control and management machine being called is forwarded to the second Ethernet interface; the second Ethernet interface is directly connected with relay-protection tester; the order of transmission control interface, by the first Ethernet interface and the second Ethernet interface, the output of control and management machine control relay-protection tester.
Described intelligent substation relay-protection tester automated detection system, in the time detecting, detects all messages that actuating unit receives, storage relay-protection tester is exported, and detects actuating unit in the time receiving the message of optical Ethernet interface, direct-detection luminous power; When detection actuating unit receives SV and GOOSE message, the accurate time of reception of mark; Detect actuating unit SV message amplitude, phase place are calculated, detect the accuracy of SV message; Detect actuating unit and analyze the correctness of GOOSE message; Detect actuating unit and analyze the synchronism between synchronism, SV and the GOOSE of the synchronism of SV data, GOOSE data; Meanwhile, detection actuating unit is also analyzed the interval stability of SV message.
The detection concrete grammar of intelligent substation relay-protection tester automated detection system of the present invention comprises autosensing mode and manual detecting pattern;
As shown in Figure 2, the process of described autosensing mode comprises the following steps:
Step (A1), formulates Detection task: select test item, set up Detection task list;
Step (B1), control and management machine calls the XML format parameter file (communications parameter such as SV, GOOSE controll block, parameter set metadata and output port that XML format parameter file is mainly used in preparing relay-protection tester output distribute) of control interface function in dynamic link library and the in advance unified definition corresponding with test item, realizes the output control to relay-protection tester;
Step (C1), detect all messages that actuating unit receives relay-protection tester output (message comprise meet DL/T 860.92 stipulations SV message, meet the GOOSE message of DL/T 860.81 stipulations and meet the SV message of GB/T 20840.8 stipulations);
Step (D1), detects the message that actuating unit receives according to test item processing, analysis, obtains testing result, and testing result is sent to control and management machine;
Step (E1), checks whether Detection task list has had test item, if had, repeating step (B1), to step (D1), detects the next item down test item, if not, goes to step (F1);
Step (F1), control and management organizational security is deposited all testing results of reception, and generates examining report;
As shown in Figure 3, the process of described manual detecting pattern comprises the following steps:
Step (A2), formulates Detection task: select test item;
Step (B2), a selected test item, the XML format parameter file that manual configuration is corresponding with selected test item;
Step (C2), manually controls relay-protection tester and exports according to the parameter in corresponding XML format parameter file; ;
Step (D2), detect all messages that actuating unit receives relay-protection tester output (message comprise meet DL/T 860.92 stipulations SV message, meet the GOOSE message of DL/T 860.81 stipulations and meet the SV message of GB/T 20840.8 stipulations);
Step (E2), detects the message that actuating unit receives according to test item Treatment Analysis, obtains testing result, and testing result is sent to control and management machine;
Whether step (F2), detect and finish, if do not finished, repeating step (D2), to step (E2), if finished, goes to step (G2);
Step (G2), control and management organizational security is deposited all testing results of reception, and generates examining report.
More than examine in two kinds of survey patterns realize as follows to the output control method of relay-protection tester, as shown in Figure 4,
A) control and management machine loads dynamic link library automatically, calls the online function in dynamic link library, detects abnormality processing flow process if online failure directly enters, detection of end, unloading dynamic link library; If online success, enters subsequent step;
B) check the parameter in the XML format parameter file corresponding with test item;
C) call the control interface function in dynamic link library, the XML format parameter file transfers corresponding with test item, to relay-protection tester, controlled to the output of relay-protection tester;
D) output if relay-protection tester fails, directly enters and detects abnormality processing flow process, detection of end, unloading dynamic link library; If relay-protection tester is successfully exported, enter subsequent step;
E) if test item just starts test for relay-protection tester without external trigger, control and management machine directly calls the result queries interface function in dynamic link library, checks whether relay-protection tester produces test findings; If test item needs external trigger just can test for relay-protection tester, control and management machine calls the trigger interface function in dynamic link library, triggering relay-protection tester tests, then control and management machine calls the result queries interface function in dynamic link library again, checks whether relay-protection tester produces test findings;
F), if relay-protection tester does not produce test findings, check whether relay-protection tester has stopped test, if do not stop test, continues to call the result queries interface function in dynamic link library, and the test findings of relay-protection tester is inquired about; If relay-protection tester has stopped test, stop detecting;
G) if the existing test findings of relay-protection tester, control and management machine is analyzed, is processed the test findings of relay-protection tester, judge the correctness of relay-protection tester test findings, then check and whether need relay-protection tester to proceed to detect, if desired, repeating step B) to step D); If do not need, stop detecting;
H) discharge and detect, the dynamic link library of unloading tested device.
The present invention can be used for the optical fiber interface transmitting optical power check, the consistency check of device message, SV accuracy check, the check of SV output performance, time accuracy check, long-time running stability test of relay-protection tester etc. and detect, in conjunction with SV sample message and GOOSE message automatic evaluation test result; And automatically form the test report of set form; realize the detection to relay-protection tester outgoing message reliability, stability, accuracy; time is controlled and the accuracy of time measurement detects; improve converting station debugging quality, for intelligent substation safety, reliability service provide technical guarantee.And detection method comprises autosensing mode and manual detecting pattern, autosensing mode only need to be formulated Detection task, does not need other to intervene, and automatically forms examining report; Manually detecting pattern, can the flexible configuration XML format parameter file corresponding with selected test item, and can read and investigate detection for a certain test item.
More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. intelligent substation relay-protection tester automated detection system, is characterized in that: comprise control and management machine and detect actuating unit;
Described control and management machine is in order to formulate Detection task, distribute Detection task for detecting actuating unit, control the output of relay-protection tester, monitor testing process, receive and store the testing result that detects actuating unit, automatically generate examining report according to testing result, described control and management machine comprises plan module, process monitoring module, report generation module and memory module;
Described detection actuating unit receives the Detection task that control and management machine distributes, and receives and store all messages of relay-protection tester output, according to the Detection task Treatment Analysis message distributing, completes Detection task and testing result is sent to control and management machine; Described detection actuating unit comprise FPGA, CPU, clock module, power module, the first Ethernet interface, the second Ethernet interface, optical Ethernet interface, light serial ports and light B code to time interface; Described power module is for detecting actuating unit power supply, described FPGA is connected with CPU, described FPGA and CPU are all connected with memory device, described clock module is connected with FPGA and CPU respectively, described CPU, the first Ethernet interface and the second Ethernet interface are connected successively, described optical Ethernet interface, light serial ports and light B code to time interface be all connected with FPGA, described the second Ethernet interface, optical Ethernet interface, light serial ports and light B code to time interface as the connectivity port of detecting actuating unit and relay-protection tester, be connected with relay-protection tester respectively; Described the first Ethernet interface also, as detecting actuating unit and control and management machine connectivity port, is connected with the Ethernet interface of control and management machine.
2. intelligent substation relay-protection tester automated detection system according to claim 1, is characterized in that: the memory device being connected with FPGA comprises ROM, RAM; The memory device being connected with CPU comprises ROM, RAM and FLASH.
3. intelligent substation relay-protection tester automated detection system according to claim 1, is characterized in that: described control and management machine is PC or industrial computer.
4. the detection method based on intelligent substation relay-protection tester automated detection system claimed in claim 1, is characterized in that: comprise autosensing mode and manual detecting pattern;
The process of described autosensing mode comprises the following steps:
Step (A1), formulates Detection task: select test item, set up Detection task list;
Step (B1), control and management machine calls the XML format parameter file of control interface function in dynamic link library and the in advance unified definition corresponding with test item, realizes the output control to relay-protection tester;
Step (C1), detects actuating unit and receives all messages that relay-protection tester is exported;
Step (D1), detects the message that actuating unit receives according to test item processing, analysis, obtains testing result, and testing result is sent to control and management machine;
Step (E1), checks whether Detection task list has had test item, if had, repeating step (B1), to step (D1), detects the next item down test item, if not, goes to step (F1);
Step (F1), control and management organizational security is deposited all testing results of reception, and generates examining report;
The process of described manual detecting pattern comprises the following steps:
Step (A2), formulates Detection task: select test item;
Step (B2), a selected test item, the XML format parameter file that manual configuration is corresponding with selected test item;
Step (C2), manually controls relay-protection tester and exports according to the parameter in corresponding XML format parameter file; Step (D2), detects actuating unit and receives all messages that relay-protection tester is exported;
Step (E2), detects the message that actuating unit receives according to test item processing, analysis, obtains testing result, and testing result is sent to control and management machine;
Whether step (F2), detect and finish, if do not finished, repeating step (D2), to step (E2), if finished, goes to step (G2);
Step (G2), control and management organizational security is deposited all testing results of reception, and generates examining report.
5. the detection method of intelligent substation relay-protection tester automated detection system according to claim 4, is characterized in that: described realization is as follows to the output control method of relay-protection tester,
A) control and management machine loads dynamic link library automatically, calls the online function in dynamic link library, detects abnormality processing flow process if online failure directly enters, detection of end, unloading dynamic link library; If online success, enters subsequent step;
B) check the parameter in the XML format parameter file corresponding with test item;
C) call the control interface function in dynamic link library, the XML format parameter file transfers corresponding with test item, to relay-protection tester, controlled to the output of relay-protection tester;
D) output if relay-protection tester fails, directly enters and detects abnormality processing flow process, detection of end, unloading dynamic link library; If relay-protection tester is successfully exported, enter subsequent step;
E) if test item just starts test for relay-protection tester without external trigger, control and management machine directly calls the result queries interface function in dynamic link library, checks whether relay-protection tester produces test findings; If test item needs external trigger just can test for relay-protection tester, control and management machine calls the trigger interface function in dynamic link library, triggering relay-protection tester tests, then control and management machine calls the result queries interface function in dynamic link library again, checks whether relay-protection tester produces test findings;
F), if relay-protection tester does not produce test findings, check whether relay-protection tester has stopped test, if do not stop test, continues to call the result queries interface function in dynamic link library, and the test findings of relay-protection tester is inquired about; If relay-protection tester has stopped test, stop detecting;
G) if the existing test findings of relay-protection tester, control and management machine is analyzed, is processed the test findings of relay-protection tester, judge the correctness of relay-protection tester test findings, then check and whether need relay-protection tester to proceed to detect, if desired, repeating step B) to step D); If do not need, stop detecting;
H) discharge and detect, the dynamic link library of unloading tested device.
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