CN104483567A - 500kV line relay protection device detection method and system - Google Patents
500kV line relay protection device detection method and system Download PDFInfo
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- CN104483567A CN104483567A CN201410740732.4A CN201410740732A CN104483567A CN 104483567 A CN104483567 A CN 104483567A CN 201410740732 A CN201410740732 A CN 201410740732A CN 104483567 A CN104483567 A CN 104483567A
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Abstract
The invention relates to a 500kV line relay protection device detection method and system. The method comprises the following steps: receiving a test order of to-be-detected relay protection devices and a test parameter and a standard fixed value of each preset logic protection test case, which are input by a user; acquiring sampling precision of the current to-be-detected relay protection device; generating a test sequence according to the logic protection test case and the test parameter corresponding to the current to-be-detected relay protection device when the sampling precision is greater than a preset precision threshold value; outputting the test sequence to the to-be-detected relay protection device, receiving an action message returned by the to-be-detected relay protection device, and generating detection result information in a preset format of the current to-be-detected relay protection device; generating a detection result of a next relay protection device according to the test order until the detection results of all the to-be-detected relay protection devices are generated. According to the method and the system, the detection accuracy can be effectively improved, the detection steps of testers can be saved, and the time required for detecting 500kV line relay protection devices is shortened.
Description
[technical field]
The present invention relates to protective relaying device detection technique, particularly relate to a kind of 500kV line protective devices detection method and system.
[background technology]
Relay protection periodic inspection improves the performance factor of relay protection, ensures the most basic measures of safe operation of power system.After protective relaying device correctly puts into operation; due to long-play; ambient conditions change, the component failure of device or the change of characteristic can cause protective relaying device action not normal; in order to ensure electrical equipment safe operation, maintenance and the experiment work of protective relaying device must be carried out.500kV line outage chance is few and power off time is limited; 500kV circuit relay protection needs the regular main protection to dual and back-up protection, independent auxiliary protection, switch protection etc. to carry out logic verify and transmission outlet; regular inspection workload is large, and routine needs 3-4 days.How effectively to improve the efficiency that 500kV circuit relay protection detects, shorten the time needed for regular inspection, operate in normal operation range for guarantee power transmission network, improve power transmission network major network reliability and there is positive and important meaning.
Traditional relay-protection tester device is not for the method for testing that 500kV circuit relay protection device detection design is scientific and reasonable, and often overlapping protective relaying device all needs independently to detect.Need regular inspection personnel for different protective relaying devices repeatedly or repeatedly setting definite value and test parameter.After being completed a set of protective relaying device; need rewiring could detect lower a set of protective relaying device; make the detecting step for 500kV line protective devices extremely loaded down with trivial details, make the detection time for 500kV circuit relay protection device long.And repeatedly setting definite value and test parameter easily cause the thing of input error to occur, easily occur making to occur erroneous judgement to test result, thus be difficult to the truth ensureing final testing result reflection protective relaying device.
[summary of the invention]
Based on this; be necessary for the problem not for 500kV circuit relay protection device detection method in prior art; a kind of 500kV circuit relay protection device detection method is provided, the time needed for the detection of 500kV circuit relay protection device can be shortened, improve detection efficiency and accuracy.
A kind of 500kV circuit relay protection device detection method, comprises step:
Receive the testing sequence of the protective relaying device to be checked of user's input, and receive test parameter and the standard definite value of each logic of propositions relay testing example of user's input;
Obtain the sampling precision of current protective relaying device to be checked according to described testing sequence, when described sampling precision is greater than default precision threshold, the virtual protection test case corresponding according to current protective relaying device to be checked and test parameter generate cycle tests;
Control tester and export described cycle tests to protective relaying device to be checked, receive the action message that described protective relaying device to be checked returns, and generate the testing result information of current protective relaying device preset format to be checked according to described action message, standard definite value and sampling precision;
Obtain the sampling precision of next protective relaying device according to described testing sequence, and generate the testing result of next protective relaying device until generate the testing result of all protective relaying devices to be checked.
Correspondingly, the present invention also provides a kind of 500kV circuit relay protection device detection system, comprising:
Receiver module, for receiving the testing sequence of the protective relaying device to be checked of user's input, and receives test parameter and the standard definite value of each logic of propositions relay testing example of user's input;
Sampling module, for obtaining the sampling precision of current protective relaying device to be checked according to described testing sequence, when described sampling precision is greater than default precision threshold, the virtual protection test case corresponding according to current protective relaying device to be checked and test parameter generate cycle tests;
Object information generation module, described cycle tests is exported to protective relaying device to be checked for controlling tester, receive the action message that described protective relaying device to be checked returns, and generate the testing result information of current protective relaying device preset format to be checked according to described action message, standard definite value and sampling precision;
Using next protective relaying device as current protective relaying device to be checked; obtained the sampling precision of next protective relaying device by sampling module according to described testing sequence, and generate the testing result of next protective relaying device until generate the testing result of all protective relaying devices to be checked by object information generation module.
The present invention is by receiving the testing sequence of protective relaying device to be checked and the test parameter of each logic of propositions relay testing example and the standard definite value of user's input, then the sampling precision of current protective relaying device to be checked is obtained according to described testing sequence, and when described sampling precision is greater than default precision threshold, the virtual protection test case corresponding according to current protective relaying device to be checked and test parameter generate cycle tests; Then, control tester and export described cycle tests to protective relaying device to be checked, receive the action message that described protective relaying device to be checked returns, and generate the testing result information of current protective relaying device preset format to be checked according to described action message, standard definite value and sampling precision; Finally, obtain the sampling precision of next protective relaying device according to described testing sequence, and generate the testing result of next protective relaying device until generate the testing result of all protective relaying devices to be checked.The present invention, when sampling precision is greater than default precision threshold, just carries out logic testing by virtual protection test case to protective relaying device, the sampling error produced when can reduce detection, effectively improves the accuracy detected.And the present invention can detect automatically according to the protective relaying device of testing sequence to 500kV circuit of user's input; there is false retrieval or undetected situation in the situation avoiding tester's manual test, ensure that the integrality that 500kV circuit relay protection device detects.And the present invention receives test parameter and the standard definite value of each logic of propositions relay testing example of user's input before detection once; avoid tester repeats input test parameter and standard definite value situation in test site; the detecting step of tester can be saved, shorten the time needed for the detection of 500kV circuit relay protection device.
[accompanying drawing explanation]
Fig. 1 is the process flow diagram of a kind of embodiment of 500kV circuit relay protection device detection method of the present invention;
Fig. 2 is the structural drawing of a kind of embodiment of 500kV circuit relay protection device detection method of the present invention.
[embodiment]
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
Refer to Fig. 1, it is the process flow diagram of a kind of embodiment of 500kV circuit relay protection device detection method of the present invention.
A kind of 500kV circuit relay protection device detection method, comprises step:
S101: the testing sequence receiving the protective relaying device to be checked of user's input, and the test parameter and the standard definite value that receive each logic of propositions relay testing example of user's input;
User can input the testing sequence of protective relaying device to be checked by the interface of specifying, and inputs corresponding test parameter and standard definite value for each protective relaying device to be checked.When test parameter and the standard definite value of testing sequence and each logic of propositions relay testing example that the protective relaying device to be checked that user sends detected; receive the testing sequence of protective relaying device to be checked of user's input and test parameter and standard definite value, and set up described test parameter and standard definite value is routine with each logic of propositions relay testing and the mapping relations of each protective relaying device to be checked.
S102: the sampling precision obtaining current protective relaying device to be checked according to described testing sequence, when described sampling precision is greater than default precision threshold, the virtual protection test case corresponding according to current protective relaying device to be checked and test parameter generate cycle tests;
According to the testing sequence of user's input; obtain the acquisition precision of current protective relaying device to be checked, described sampling precision can obtain by calculating at protective relaying device two ends to be checked loading predeterminated voltage or predetermined current and according to protective relaying device actual sample value to be checked.
After obtaining the sampling precision of current protective relaying device to be checked; judge whether described sampling precision is greater than default precision threshold; if described sampling precision is greater than default precision threshold; then illustrate that current protective relaying device to be checked has higher sampling precision; job requirements can be met; now call corresponding virtual protection test case according to current protective relaying device to be checked according to the priority preset, and generate the cycle tests of preset format according to the test parameter standard definite value that this virtual protection test case is corresponding.
Preferably, described virtual protection test case comprises one or more in main protection test case, main distance protection test case, superpotential and jumping relay testing example far away, limit switch protection test case and breaker in middle relay testing example.For main protection test case, main protection test case at least comprises the test event such as pilot direction, vertical connection distance, pilot zero sequence direction relay, reclosure time detection.
S103: control tester and export described cycle tests to protective relaying device to be checked, receive the action message that described protective relaying device to be checked returns, and generate the testing result information of current protective relaying device preset format to be checked according to described action message, standard definite value and sampling precision;
Whether control tester and export described cycle tests value protective relaying device to be checked, then monitoring protective relaying device to be checked has action message to return.When having monitored action message and having returned, receive the action message that described protective relaying device to be checked returns, then resolve the switching value and the actuation time that represent protective relaying device in described action message.Then the testing result information of current protective relaying device to be checked is generated according to the switching value in described action message and actuation time, standard definite value and sampling precision according to the form preset.
In testing result information, concrete detection can also be provided to judge, described detection judgement can realize by the following method: described switching value and actuation time are compared with described standard definite value, wherein said standard definite value comprises standard switch definite value and standard time definite value.If described switching value is identical with described standard switch definite value and be less than described standard time definite value described actuation time, then can judge that described protective relaying device logical action to be checked is correct.
S104: the sampling precision obtaining next protective relaying device according to described testing sequence, and generate the testing result information of next protective relaying device until generate the testing result information of all protective relaying devices to be checked.
After generating the testing result information of current protective relaying device to be checked; according to described testing sequence using next protective relaying device as current protective relaying device to be checked, then repeat step S102 and step S103 until all protective relaying devices to be checked all be detected and generate correspondence testing result information.
The present invention is by receiving the testing sequence of protective relaying device to be checked and the test parameter of each logic of propositions relay testing example and the standard definite value of user's input, then the sampling precision of current protective relaying device to be checked is obtained according to described testing sequence, and when described sampling precision is greater than default precision threshold, the virtual protection test case corresponding according to current protective relaying device to be checked and test parameter generate cycle tests; Then, control tester and export described cycle tests to protective relaying device to be checked, receive the action message that described protective relaying device to be checked returns, and generate the testing result information of current protective relaying device preset format to be checked according to described action message, standard definite value and sampling precision; Finally, obtain the sampling precision of next protective relaying device according to described testing sequence, and generate the testing result of next protective relaying device until generate the testing result of all protective relaying devices to be checked.The present invention, when sampling precision is greater than default precision threshold, just carries out logic testing by virtual protection test case to protective relaying device, the sampling error produced when can reduce detection, effectively improves the accuracy detected.And the present invention can detect automatically according to the protective relaying device of testing sequence to 500kV circuit of user's input; there is false retrieval or undetected situation in the situation avoiding tester's manual test, ensure that the integrality that 500kV circuit relay protection device detects.And the present invention receives test parameter and the standard definite value of each logic of propositions relay testing example of user's input before detection once; avoid tester repeats input test parameter and standard definite value situation in test site; the detecting step of tester can be saved, shorten the time needed for the detection of 500kV circuit relay protection device.
In one embodiment, in above-mentioned steps S102, obtain the step of the sampling precision of current protective relaying device to be checked according to described testing sequence, following sub-step can be comprised.
S201: control tester and export the test voltage of default value and measuring current to current protective relaying device to be checked, detects analog sampling voltage and analog sampling electric current that current protective relaying device to be checked returns;
Preferably; first obtain the supply voltage of protective relaying device to be checked; then determine corresponding alternative magnitude of voltage and alternative current value according to described supply voltage, within the time period of presetting, then control tester export the test voltage of described alternative magnitude of voltage and the measuring current of described alternative current value to current protective relaying device to be checked.Then; detect analog sampling voltage and analog sampling electric current that current protective relaying device to be checked returns, the method for detection can be directly obtain described analog sampling voltage and analog sampling electric current by sensor or obtain the sampling message the analog sampling voltage extracted in described sampling message and analog sampling electric current that protective relaying device produces.
S202: calculate the sampling precision of protective relaying device to be checked by the accuracy model preset according to analog sampling voltage and analog sampling electric current and described test voltage and measuring current.
After detecting the analog sampling voltage and analog sampling electric current that current protective relaying device to be checked returns; analog sampling voltage and analog sampling electric current and described test voltage and measuring current are substituted into the accuracy model preset, described accuracy model is solved to the sampling precision calculating and obtain protective relaying device to be checked.
Test voltage and the measuring current extremely current protective relaying device to be checked of default value is exported by controlling tester; detect analog sampling voltage and analog sampling electric current that current protective relaying device to be checked returns; then the accuracy model by presetting calculates the sampling precision of protective relaying device to be checked; the sampling precision of the current protective relaying device to be checked of test site can be obtained, and then the duty of protective relaying device to be checked.
In one embodiment, in above-mentioned S102, after obtaining the step of the sampling precision of protective relaying device to be checked, also comprise step:
S301: if described sampling precision is less than or equal to default precision threshold; then send sampling warning information; and obtain the sampling precision of next protective relaying device according to described testing sequence, and generate the testing result information of next protective relaying device until generate the testing result information of all protective relaying devices to be checked.
If when the sampling precision of current protective relaying device to be checked is less than or equal to default precision threshold; sampling sensor in current protective relaying device to be checked or Sampling device operation irregularity are then described; now send sampling warning information; wherein; preferably, described sampling warning information comprises analog sampling voltage and analog sampling electric current, test voltage and measuring current, sampling precision and sampling precision result of determination.Wherein, when the sampling precision of current protective relaying device to be checked is less than or equal to default precision threshold, can judge that sampling precision result of determination is as exception; When the sampling precision of current protective relaying device to be checked is greater than default precision threshold, can judge that sampling precision result of determination is as normal.Further, described warning information can also be shown by display device.
When the sampling precision of current protective relaying device to be checked is less than or equal to default precision threshold, if perform step S103 to current protective relaying device to be checked, easily there is misoperation in protective relaying device to be checked, action message can be replaced by the summary inspection message preset, generate the testing result information of current protective relaying device to be checked, there is no need to perform step S103 to current protective relaying device to be checked again, to jump directly to next protective relaying device in S104 according to described testing sequence as current protective relaying device to be checked, repeated execution of steps S102, S301 and S103, until generate the testing result information of all protective relaying devices to be checked.
When the sampling precision of current protective relaying device to be checked is less than or equal to default precision threshold, then to reflect sampling sensor in current protective relaying device to be checked or Sampling device operation irregularity, send sampling warning information, tester can be helped to understand the concrete sampling situation of current protective relaying device to be checked, then the direct sampling precision obtaining next protective relaying device according to described testing sequence, and generate the testing result information of next protective relaying device until generate the testing result information of all protective relaying devices to be checked, can omit and unnecessary detection is carried out to abnormal protective relaying device to be checked, thus save the time expended needed for detection, improve detection efficiency.
Refer to Fig. 2, it is the structured flowchart of a kind of embodiment of 500kV circuit relay protection device detection method of the present invention.
A kind of 500kV circuit relay protection device detection system, is characterized in that, comprising:
Receiver module 201, for receiving the testing sequence of the protective relaying device to be checked of user's input, and receives test parameter and the standard definite value of each logic of propositions relay testing example of user's input;
User can input the testing sequence of protective relaying device to be checked by the interface of specifying, and inputs corresponding test parameter and standard definite value for each protective relaying device to be checked.When receiver module 201 detects the testing sequence of the protective relaying device to be checked that user sends and the test parameter of each logic of propositions relay testing example and standard definite value; receive the testing sequence of protective relaying device to be checked of user's input and test parameter and standard definite value, and set up described test parameter and standard definite value is routine with each logic of propositions relay testing and the mapping relations of each protective relaying device to be checked.
Sampling module 202, for obtaining the sampling precision of current protective relaying device to be checked according to described testing sequence, when described sampling precision is greater than default precision threshold, the virtual protection test case corresponding according to current protective relaying device to be checked and test parameter generate cycle tests;
The testing sequence that sampling module 202 inputs according to user; obtain the acquisition precision of current protective relaying device to be checked, described sampling precision can obtain by calculating at protective relaying device two ends to be checked loading predeterminated voltage or predetermined current and according to protective relaying device actual sample value to be checked.
After sampling module 202 obtains the sampling precision of current protective relaying device to be checked; judge whether described sampling precision is greater than default precision threshold; if described sampling precision is greater than default precision threshold; then illustrate that current protective relaying device to be checked has higher sampling precision; job requirements can be met; now sampling module 202 calls corresponding virtual protection test case according to current protective relaying device to be checked according to the priority preset, and generates the cycle tests of preset format according to the test parameter standard definite value that this virtual protection test case is corresponding.
Preferably, described virtual protection test case comprises one or more in main protection test case, main distance protection test case, superpotential and jumping relay testing example far away, limit switch protection test case and breaker in middle relay testing example.For main protection test case, main protection test case at least comprises the test event such as pilot direction, vertical connection distance, pilot zero sequence direction relay, reclosure time detection.
Object information generation module 203, described cycle tests is exported to protective relaying device to be checked for controlling tester, receive the action message that described protective relaying device to be checked returns, and generate the testing result information of current protective relaying device preset format to be checked according to described action message, standard definite value and sampling precision;
Object information generation module 203 controls tester and exports described cycle tests value protective relaying device to be checked, and whether then monitor protective relaying device to be checked has action message to return.When object information generation module 203 monitored action message return time, receive the action message that described protective relaying device to be checked returns, then resolve the switching value and the actuation time that represent protective relaying device in described action message.Then object information generation module 203 generates the testing result information of current protective relaying device to be checked according to the switching value in described action message and actuation time, standard definite value and sampling precision according to the form preset.
In testing result information, concrete detection can also be provided to judge, described detection judgement can realize by the following method: described switching value and actuation time are compared with described standard definite value, wherein said standard definite value comprises standard switch definite value and standard time definite value.If described switching value is identical with described standard switch definite value and be less than described standard time definite value described actuation time, then can judge that described protective relaying device logical action to be checked is correct.
Repeat calling module 204; for using next protective relaying device as current protective relaying device to be checked; obtained the sampling precision of next protective relaying device by sampling module according to described testing sequence, and generate the testing result information of next protective relaying device until generate the testing result information of all protective relaying devices to be checked by object information generation module.
After object information generation module 203 generates the testing result information of current protective relaying device to be checked; according to described testing sequence using next protective relaying device as current protective relaying device to be checked, then repeat to adjust sampling module 202 and object information generation module 203 until all protective relaying devices to be checked all be detected and generate the testing result information of correspondence.
The present invention receives the testing sequence of protective relaying device to be checked and the test parameter of each logic of propositions relay testing example and the standard definite value of user's input by receiver module 201, then sampling module 202 obtains the sampling precision of current protective relaying device to be checked according to described testing sequence, and when described sampling precision is greater than default precision threshold, the virtual protection test case corresponding according to current protective relaying device to be checked and test parameter generate cycle tests; Then, object information generation module 203 controls tester and exports described cycle tests to protective relaying device to be checked, receive the action message that described protective relaying device to be checked returns, and generate the testing result information of current protective relaying device preset format to be checked according to described action message, standard definite value and sampling precision; Finally; repeat calling module 204 and call sampling module 202 obtains next protective relaying device sampling precision according to described testing sequence, and object information generation module 203 generates the testing result of next protective relaying device until generate the testing result of all protective relaying devices to be checked.The present invention, when sampling precision is greater than default precision threshold, just carries out logic testing by virtual protection test case to protective relaying device, the sampling error produced when can reduce detection, effectively improves the accuracy detected.And the present invention can detect automatically according to the protective relaying device of testing sequence to 500kV circuit of user's input; there is false retrieval or undetected situation in the situation avoiding tester's manual test, ensure that the integrality that 500kV circuit relay protection device detects.And the present invention receives test parameter and the standard definite value of each logic of propositions relay testing example of user's input before detection once; avoid tester repeats input test parameter and standard definite value situation in test site; the detecting step of tester can be saved, shorten the time needed for the detection of 500kV circuit relay protection device.
In one embodiment, above-mentioned sampling module 202 can comprise following submodule.
Controlling receiver module, exporting the test voltage of default value and measuring current to current protective relaying device to be checked for controlling tester, detect analog sampling voltage and analog sampling electric current that current protective relaying device to be checked returns;
Preferably; control the supply voltage that receiver module first obtains protective relaying device to be checked; then determine corresponding alternative magnitude of voltage and alternative current value according to described supply voltage, then control receiver module and within the time period of presetting, control tester to the current protective relaying device output test voltage of described alternative magnitude of voltage to be checked and the measuring current of described alternative current value.Control receiver module and detect the analog sampling voltage that returns of current protective relaying device to be checked and analog sampling electric current, the method for detection can be directly obtain described analog sampling voltage and analog sampling electric current by sensor or obtain the sampling message the analog sampling voltage extracted in described sampling message and analog sampling electric current that protective relaying device produces.
Sampling precision computing module, for calculating the sampling precision of protective relaying device to be checked according to analog sampling voltage and analog sampling electric current and described test voltage and measuring current by the accuracy model preset.
Control after receiver module detects the analog sampling voltage that returns of current protective relaying device to be checked and analog sampling electric current; analog sampling voltage and analog sampling electric current and described test voltage and measuring current are substituted into the accuracy model preset by sampling precision computing module, described accuracy model are solved to the sampling precision calculating and obtain protective relaying device to be checked.
Test voltage and the measuring current extremely current protective relaying device to be checked that tester exports default value is controlled by controlling to receive; detect analog sampling voltage and analog sampling electric current that current protective relaying device to be checked returns; then sampling precision computing module calculates the sampling precision of protective relaying device to be checked by the accuracy model preset; the sampling precision of the current protective relaying device to be checked of test site can be obtained, and then the duty of protective relaying device to be checked.
In one embodiment, can also comprise with lower module.
Alarm and calling module; for when described sampling precision is less than or equal to default precision threshold; send sampling warning information; and obtain the sampling precision of next protective relaying device according to described testing sequence, and generate the testing result information of next protective relaying device until generate the testing result information of all protective relaying devices to be checked.
If when the sampling precision of current protective relaying device to be checked is less than or equal to default precision threshold; sampling sensor in current protective relaying device to be checked or Sampling device operation irregularity are then described; now alarm and calling module send sampling warning information; wherein; preferably, described sampling warning information comprises analog sampling voltage and analog sampling electric current, test voltage and measuring current, sampling precision and sampling precision result of determination.Wherein, when the sampling precision of current protective relaying device to be checked is less than or equal to default precision threshold, alarm and calling module can judge that sampling precision result of determination is as exception; When the sampling precision of current protective relaying device to be checked is greater than default precision threshold, alarm and calling module can judge that sampling precision result of determination is as normal.Further, described warning information can also be shown by display device.
When the sampling precision of current protective relaying device to be checked is less than or equal to default precision threshold, if continue to call object information generation module 203, easily there is misoperation in protective relaying device to be checked, alarm and calling module can replace action message by the summary inspection message preset, generate the testing result information of current protective relaying device to be checked, there is no need to continue again to call object information generation module 203, directly when according to described testing sequence using next protective relaying device as current protective relaying device to be checked, repeat to call sampling module 202 and object information generation module 203, until generate the testing result information of all protective relaying devices to be checked.
When the sampling precision of current protective relaying device to be checked is less than or equal to default precision threshold, then to reflect sampling sensor in current protective relaying device to be checked or Sampling device operation irregularity, now alarm and calling module send sampling warning information, tester can be helped to understand the concrete sampling situation of current protective relaying device to be checked, then alarm and calling module directly obtain the sampling precision of next protective relaying device according to described testing sequence, and generate the testing result information of next protective relaying device until generate the testing result information of all protective relaying devices to be checked, can omit and unnecessary detection is carried out to abnormal protective relaying device to be checked, thus save the time expended needed for detection, improve detection efficiency.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a 500kV circuit relay protection device detection method, is characterized in that, comprises step:
Receive the testing sequence of the protective relaying device to be checked of user's input, and receive test parameter and the standard definite value of each logic of propositions relay testing example of user's input;
Obtain the sampling precision of current protective relaying device to be checked according to described testing sequence, when described sampling precision is greater than default precision threshold, the virtual protection test case corresponding according to current protective relaying device to be checked and test parameter generate cycle tests;
Control tester and export described cycle tests to protective relaying device to be checked, receive the action message that described protective relaying device to be checked returns, and generate the testing result information of current protective relaying device preset format to be checked according to described action message, standard definite value and sampling precision;
Obtain the sampling precision of next protective relaying device according to described testing sequence, and generate the testing result information of next protective relaying device until generate the testing result information of all protective relaying devices to be checked.
2. 500kV circuit relay protection device detection method according to claim 1, is characterized in that, obtains the step of the sampling precision of current protective relaying device to be checked, comprise following sub-step according to described testing sequence:
Control tester and export the test voltage of default value and measuring current to current protective relaying device to be checked, detect analog sampling voltage and analog sampling electric current that current protective relaying device to be checked returns;
The sampling precision of protective relaying device to be checked is calculated by the accuracy model preset according to analog sampling voltage and analog sampling electric current and described test voltage and measuring current.
3. 500kV circuit relay protection device detection method according to claim 1, is characterized in that, after obtaining the step of the sampling precision of protective relaying device to be checked, also comprise step:
If described sampling precision is less than or equal to default precision threshold; then send sampling warning information; and obtain the sampling precision of next protective relaying device according to described testing sequence, and generate the testing result information of next protective relaying device until generate the testing result information of all protective relaying devices to be checked.
4. 500kV circuit relay protection device detection method according to claim 1; it is characterized in that, described virtual protection test case comprise main protection test case, main distance protection test case, superpotential and far away jump in relay testing example, limit switch protection test case and breaker in middle relay testing example one or more.
5. a 500kV circuit relay protection device detection system, is characterized in that, comprising:
Receiver module, for receiving the testing sequence of the protective relaying device to be checked of user's input, and receives test parameter and the standard definite value of each logic of propositions relay testing example of user's input;
Sampling module, for obtaining the sampling precision of current protective relaying device to be checked according to described testing sequence, when described sampling precision is greater than default precision threshold, the virtual protection test case corresponding according to current protective relaying device to be checked and test parameter generate cycle tests;
Object information generation module, described cycle tests is exported to protective relaying device to be checked for controlling tester, receive the action message that described protective relaying device to be checked returns, and generate the testing result information of current protective relaying device preset format to be checked according to described action message, standard definite value and sampling precision;
Repeat calling module; for using next protective relaying device as current protective relaying device to be checked; obtained the sampling precision of next protective relaying device by sampling module according to described testing sequence, and generate the testing result information of next protective relaying device until generate the testing result information of all protective relaying devices to be checked by object information generation module.
6. 500kV circuit relay protection device detection system according to claim 5, is characterized in that, described employing module comprises following submodule:
Controlling receiver module, exporting the test voltage of default value and measuring current to current protective relaying device to be checked for controlling tester, detect analog sampling voltage and analog sampling electric current that current protective relaying device to be checked returns;
Sampling precision computing module, for calculating the sampling precision of protective relaying device to be checked according to analog sampling voltage and analog sampling electric current and described test voltage and measuring current by the accuracy model preset.
7. 500kV circuit relay protection device detection system according to claim 6, is characterized in that, also comprise:
Alarm and calling module; for when described sampling precision is less than or equal to default precision threshold; send sampling warning information; and obtain the sampling precision of next protective relaying device according to described testing sequence, and generate the testing result information of next protective relaying device until generate the testing result information of all protective relaying devices to be checked.
8. 500kV circuit relay protection device detection system according to claim 6; it is characterized in that, described virtual protection test case comprise main protection test case, main distance protection test case, superpotential and far away jump in relay testing example, limit switch protection test case and breaker in middle relay testing example one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740732.4A CN104483567B (en) | 2014-12-05 | 2014-12-05 | 500kV circuit relay protections device detection method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410740732.4A CN104483567B (en) | 2014-12-05 | 2014-12-05 | 500kV circuit relay protections device detection method and system |
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| CN105093023A (en) * | 2015-08-13 | 2015-11-25 | 国家电网公司 | Line protection test method based on device serial connection |
| CN105549576A (en) * | 2016-01-08 | 2016-05-04 | 董冬 | Maintenance method of intelligent transformer station protective relaying device |
| CN105606929A (en) * | 2015-12-30 | 2016-05-25 | 国网浙江省电力公司 | Intelligent substation relay protection test signal isolation and recombination method |
| CN107561378A (en) * | 2017-07-06 | 2018-01-09 | 中铁电气化局集团有限公司 | A kind of direct-current traction power supply protection device test system |
| CN109298333A (en) * | 2018-11-28 | 2019-02-01 | 广东电网有限责任公司 | Protective relaying device detection method and device |
| CN111562456A (en) * | 2020-04-30 | 2020-08-21 | 国网河北省电力有限公司电力科学研究院 | Relay protection enhancement type state sequence and relay protection test method and system |
| CN112485483A (en) * | 2020-10-29 | 2021-03-12 | 国网湖北省电力有限公司电力科学研究院 | Relay protection test state sequence generation method and platform |
| CN113281603A (en) * | 2021-06-25 | 2021-08-20 | 广东电网有限责任公司 | Detection circuit and method for relay protection terminal |
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| CN105093023A (en) * | 2015-08-13 | 2015-11-25 | 国家电网公司 | Line protection test method based on device serial connection |
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| CN111562456A (en) * | 2020-04-30 | 2020-08-21 | 国网河北省电力有限公司电力科学研究院 | Relay protection enhancement type state sequence and relay protection test method and system |
| CN112485483A (en) * | 2020-10-29 | 2021-03-12 | 国网湖北省电力有限公司电力科学研究院 | Relay protection test state sequence generation method and platform |
| CN113281603A (en) * | 2021-06-25 | 2021-08-20 | 广东电网有限责任公司 | Detection circuit and method for relay protection terminal |
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