CN110687375B - Parallel automatic test system and method for relay protection device - Google Patents
Parallel automatic test system and method for relay protection device Download PDFInfo
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Abstract
The invention discloses a parallel test system and a method for a relay protection device, wherein the test system comprises a test task intelligent generation module, a test data intelligent management module, a test execution module and a test parameter configuration module; the test task intelligent generation module is used for creating a multi-device parallel test task according to the test template and the test parameter data of each tested device configured by the test parameter configuration module, wherein each device only has one test task, and intelligently distributing the test parameter data to the test task of each tested protection device; the test execution module executes the test flow of the tested protection device and transmits test result data to the test data intelligent management module; the test data intelligent management module intelligently distributes test result data to each tested protection device; and the test parameter configuration module is used for configuring the test parameters of each tested device before testing. The invention can realize the simultaneous test of a plurality of protection devices and greatly improve the overall test efficiency.
Description
Technical Field
The invention belongs to the technical field of power system automation, and particularly relates to a system and a method for parallel automatic testing of a relay protection device.
Background
In recent years, the development of relay protection testing technology in China is rapid, automatic testing technology is more and more mature, and the requirements of transformer substations, relay protection device manufacturers, electric academy and the like on relay protection testing are higher and higher, which is remarkable in that the requirements on testing efficiency are higher and higher. Particularly, relay protection device manufacturers seek high improvement of test efficiency during production and delivery tests. At present, existing automatic test systems can only carry out single-device test, namely, only one relay protection device can be tested each time. In the aspect of testing efficiency, because the testing processes among different devices are serial, even if the testing items and the control over the testing process are optimized, the improvement on the overall efficiency is still very limited, and the requirement on the factory testing efficiency on a home production line of a relay protection device production plant cannot be met.
Therefore, research on a feasible parallel automatic testing technology of the relay protection devices realizes simultaneous and parallel testing of two or even more relay protection devices, and the improvement of field testing efficiency becomes very urgent.
Disclosure of Invention
The purpose of the invention is as follows: in view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a system and a method for testing relay protection devices in parallel, which can realize simultaneous testing of multiple protection devices.
The technical scheme is as follows: in order to achieve the purpose, the parallel test system for the relay protection device comprises a test task intelligent generation module, a test data intelligent management module, a test execution module and a test parameter configuration module; the test task intelligent generation module is used for creating a multi-device parallel test task according to the test template and the test parameter data of each tested device configured by the test parameter configuration module, wherein each device only has one test task, and intelligently distributing the test parameter data to the test task of each tested protection device; the test execution module executes the test flow of the tested protection device according to the parallel test tasks, forms test result data after the test is finished, and transmits the test result data to the test data intelligent management module; the test parameter configuration module is used for configuring test parameters of each device before testing; after the test is finished, the test data intelligent management module intelligently distributes test result data to each tested protection device, and the test result of each tested protection device is judged and the report is filled through the same result variable.
Further, the test parameter data mainly comprises wiring data of a switching value and channel information data of an analog value.
Furthermore, the test task mainly comprises test items, a test execution sequence, test parameters and test result judgment.
The invention also provides a parallel automatic testing method of the relay protection device, which comprises the following steps:
(1) configuring test parameter data of each device;
(2) according to the test template and the configured parameter data to be tested, a multi-device parallel test task is newly established, and the configured test parameter data is intelligently distributed to each tested protection device test task;
(3) loading a parallel test task, completing the test according to a task flow, and forming test result data;
(4) and distributing the test result data to each tested protection device test task intelligently, and automatically generating a test report after judging the result respectively.
Further, the step (1) includes the steps of:
(11) according to the actual configuration condition of the protection device, configuring all analog quantity channels: channel name, channel attribute, channel phase, channel type, channel sampling precision and whether direct current exists or not; if the direct current channel exists, the phase of the channel is configured to be 0;
(12) according to the switching value test principle of the relay protection device, the open-in and open-out wiring data of a plurality of tested protection devices are respectively configured: specifically, the configuration is that the input and output data of a first tested protection device and the input and output parameter offset of each tested protection device; the switching-in data is configured to be switching value nodes of the switching value devices, during testing, the switching-in parameters of the tested protection devices are spliced into a parameter and are issued to the auxiliary switching value devices at one time, and the switching-in information received by the protection devices is verified respectively, so that the test result is judged; and the switching value data are configured into switching value nodes of the switching value devices, the switching value nodes of the protection devices are switched out during testing, the actual switching value data of each tested protection device are respectively calculated according to the configured switching value parameters and the offset, and whether the node of the switching value device receives displacement is verified, so that the test result is judged.
Further, the step (2) comprises the steps of:
(21) test parameter data for the open test items are assigned: reading and calculating the test parameter data of the N protective devices from the configured test parameter data, sequentially allocating the parameter data of each open node to each open test item of the test task, wherein the allocation principle is sequential allocation, the first device parameter is allocated to the first tested device, the Nth device parameter is allocated to the Nth tested device, and the calculation method of the open parameter of each tested protective device comprises the following steps: the parameter + offset of the first device under test;
(22) distributing test parameter data of the opened test items: reading and calculating the test parameter data of N protection devices from the configured test parameter data, and sequentially allocating the parameter data of each open node to each open test item of the test task, wherein the allocation principle is sequential allocation, the first device parameter is allocated to the first tested device, the Nth device parameter is allocated to the Nth tested device, and the calculation method of the open parameter of each tested protection device comprises the following steps: the parameter + offset of the first device under test;
(23) and distributing analog quantity channel information, reading analog quantity channel information data from the configured test parameter data, and distributing the analog quantity channel information data to a measurement channel test and a model-in channel test in the test task according to the channel type.
Further, the step (3) includes the steps of:
(31) open test: splicing and integrating the out node parameters of the switching value devices corresponding to all the devices together by taking an in test item as a unit, opening all the nodes at one time, and respectively verifying the in action information of each tested protection device;
(32) the test was started: sequentially opening the opening nodes of the protection device by taking an opening test item as a unit, and withdrawing the displacement node information received by the switching value device at one time as test result data to be sent to the test data intelligent management module for further processing;
(33) and (3) analog quantity testing: the voltage wiring is connected in parallel, the current wiring is connected in series, the tester outputs corresponding voltage and current test quantity at one time, the sampling values of all the tested protection devices are read in sequence, and the result verification is carried out;
(34) and (4) testing the action time of the protection function: the voltage wiring is connected in parallel, the current wiring is connected in series, the tester outputs corresponding voltage and current test quantity at one time, the tester reads the protection tripping outlet action information of each tested protection device in real time, and after the action information of all the tested protection devices is read, the test result data is sent to the test data intelligent management module for further processing.
Further, the step (4) comprises the steps of:
(41) open test action information allocation: taking a test item as a unit, the switching value device receives the action node information of N tested protection devices after the protection devices are switched out at one time, distributes the actual switching-out displacement node information of the N tested protection devices according to the offset of the switching-out parameter configuration, and stores the actual switching-out displacement node information into a test result parameter 'switching-out displacement information' of the test item;
(42) when the protection function action time is tested, the protection trip outlet action information is distributed: and respectively distributing the displacement information received by each opening of the tester to result data of the test item, namely the result of the tested device I is received by the opening A of the tester, the result of the tested device II is received by the opening B of the tester, and so on, and judging the result and filling in a report by using the opening A action in the result data after the distribution.
Has the advantages that: compared with the prior art, the invention has the beneficial effects that: 1. the invention can realize the simultaneous test of a plurality of protection devices, and the parallel test of the plurality of devices is completed, compared with the original serial test mode of a plurality of protection devices, the parallel test can greatly improve the whole test efficiency; 2. the parallel test system and method for the relay protection devices are not limited by the number of the relay protection devices to be tested, and the parallel test system and method are suitable for parallel test of any number of relay protection devices as long as the protection tester can meet the requirements on hardware channels.
Drawings
FIG. 1 is a block diagram of a test system according to the present invention.
Detailed Description
In order to make the technical field better understand the scheme of the embodiment of the invention, the invention is further described in detail with reference to the attached drawings and the embodiment.
As shown in fig. 1, the invention discloses a system for parallel automatic testing of a relay protection device, which comprises a test task intelligent generation module, a test data intelligent management module, a test execution module and a test parameter configuration module; the device comprises a test module, a test parameter configuration module, a test task intelligent generation module, a test task management module and a test protection module, wherein the test task intelligent generation module is used for creating a multi-device parallel test task according to test parameter data of each tested device configured by the test module and the test parameter configuration module, each device has only one test task, and each test parameter data is intelligently distributed to the test task of each tested protection device; the test execution module executes the test flow of the tested protection device according to the parallel test task, forms test result data after the test is finished, and transmits the test result data to the test data intelligent management module; the test data intelligent management module intelligently distributes test result data to each tested protection device after the test is finished, and the test result of each tested protection device is judged and the report is filled through the same result variable; and the test parameter configuration module is used for configuring the test parameters of each tested device before testing.
And test parameter data needing to be configured comprise wiring data of the switching value, channel information of the analog value and the like. The wiring data of the switching value comprises open-in wiring data and open-out wiring data. The connection data specifically refers to the connection of the input and output nodes of the first tested protection device to the corresponding node values on the switching value device, and the input and output offsets of all the tested protection devices relative to the first tested protection device; the switching value device is auxiliary test equipment for relay protection switching value test and is used for completing input and output tests of relay protection; channel information data of the analog quantity comprises a channel name, a channel type, a channel phase, a channel attribute, whether direct current exists or not and channel sampling precision; the channel type comprises a mould-in channel and a measuring channel; the channel attributes comprise a voltage channel and a current channel. The test tasks are test control objects and test record files which are established for the tested protection devices according to the same test template, and each tested device has one test task; the test task mainly comprises test items, a test execution sequence, test parameters and test result judgment.
The following describes the embodiments of the present invention in detail by taking two tested protection devices as examples:
and the input information of the relay protection device parallel automatic test system is a test template.
The method comprises the following steps: the test parameter configuration module is used for configuring the parameter data of each device according to the test items of the tested protection device:
(1) and the analog quantity channel is configured with all the analog quantity channels according to the actual configuration condition of the protection device: channel name, channel attribute, channel phase, channel type, channel sampling precision and whether direct current exists or not; if a DC channel, the channel phase is configured to be 0.
(2) And (3) switching value wiring configuration, namely respectively configuring the input and output wiring data of two tested protection devices according to the switching value testing principle of the relay protection device:
a) the switching-in data is configured to be a switching value node of a switching value device, specifically configured to be a switching value node corresponding to a first tested protection device, and configured to be respective switching-in parameter offsets of two protections; during testing, the opening parameters of the two tested protection devices are spliced into one parameter, the parameter is sent to the auxiliary switching value device at one time, and the opening information received by the protection devices is verified respectively, so that the test result is judged.
b) The method comprises the steps that output data are configured to be switching value nodes of a switching value device, specifically configured to be switching value nodes corresponding to a first tested protection device, and output parameter offsets of the two protection devices; during testing, the opening node of the protection device is opened, actual opening data of two tested protection devices are respectively calculated according to the configured opening parameter and the offset, whether the node of the switching value device receives displacement is verified, and therefore the test result is judged.
Step two: the test task intelligent generation module is used for newly building a multi-device parallel test task according to the configured parameter data to be tested and the test template:
(1) test parameter data for the open test items are assigned: reading and calculating the test parameter data of the two protection devices from the configured test parameter data, and sequentially allocating the parameter data of each open node to each open test item of the test task, wherein the allocation principle is sequential allocation, the first device parameter is allocated to the first tested device, the second device parameter is allocated to the second tested device, and the calculation method of the open parameter of each tested protection device comprises the following steps: parameter + offset of the first device under test.
(2) Distributing test parameter data of the opened test items: reading and calculating the export test parameter data of the two protection devices from the configured test parameter data, and sequentially allocating the parameter data of each export node to each export test item of the test task, wherein the allocation principle is sequential allocation, the first device parameter is allocated to the first tested device, the second device parameter is allocated to the second tested device, and the calculation method of the export parameter of each tested protection device comprises the following steps: parameter + offset of the first device under test.
(3) And distributing analog quantity channel information, reading analog quantity channel information data from the configured test parameter data, and distributing the analog quantity channel information data to a measurement channel test and a model-in channel test in the test task according to the channel type.
Step three: the test execution module loads a parallel test task, completes the test according to the task flow and forms test result data:
(1) open test: and taking an input test item as a unit, splicing and integrating the input node parameters of the switching value devices corresponding to the two devices together, outputting all nodes at one time, and respectively verifying the input action information of the two tested protection devices.
(2) The test was started: and taking one opening test item as a unit, sequentially opening the opening node of the protection device, and withdrawing the displacement node information received by the switching value device at one time to serve as test result data and send the test result data to the test data intelligent management module for further processing.
(3) And (3) analog quantity testing: the voltage wiring is connected in parallel, the current wiring is connected in series, the tester outputs corresponding voltage and current testing quantities at one time, the sampling values of all the tested protection devices are read in sequence, and the result verification is carried out.
(4) And (4) testing the action time of the protection function: the voltage wiring is connected in parallel, the current wiring is connected in series, the tester outputs corresponding voltage and current test quantity once, the tester reads the action information of the protection tripping outlet of the two tested protection devices in real time, the switch-in A of the tester reads the action information of the first protection, and the switch-in B of the tester reads the action information of the second protection. And after the action information of the two tested protection devices is read, sending the test result data to the test data intelligent management module for further processing.
Step four: the test data intelligent management module intelligently distributes test result data to each tested protection device to finish report generation:
(1) open test action information allocation: and taking one opening test item as a unit, the switching value device receives the action node information of the two tested protection devices after the opening, distributes the actual opening displacement node information of the two tested protection devices according to the offset of the opening parameter configuration, and stores the actual opening displacement node information into the test result parameter 'opening displacement information' of the opening test item.
(2) Testing the action time of the protection function, and distributing the action information of the protection trip outlet: the displacement information received by the opening A and the opening B of the tester is respectively distributed to the result data of the test item, namely the opening A of the tester receives the result of the first tested device, and the opening B of the tester receives the result of the second tested device.
Claims (7)
1. A parallel automatic testing method for a relay protection device is characterized by comprising the following steps:
(1) configuring test parameter data of each device;
(2) according to the test template and the configured parameter data to be tested, a multi-device parallel test task is newly established, and the configured test parameter data is intelligently distributed to each tested protection device test task;
(3) loading a parallel test task, completing the test according to a task flow, and forming test result data;
(4) intelligently distributing test result data to each tested protection device test task, and automatically generating a test report after respectively judging results;
the step (1) comprises the following steps:
(11) according to the actual configuration condition of the protection device, configuring all analog quantity channels: channel name, channel attribute, channel phase, channel type, channel sampling precision and whether direct current exists or not; if the direct current channel exists, the phase of the channel is configured to be 0;
(12) according to the switching value test principle of the relay protection device, the open-in and open-out wiring data of a plurality of tested protection devices are respectively configured: specifically, the configuration is that the input and output data of a first tested protection device and the input and output parameter offset of each tested protection device; the switching-in data is configured to be switching value nodes of the switching value devices, during testing, the switching-in parameters of the tested protection devices are spliced into a parameter and are issued to the auxiliary switching value devices at one time, and the switching-in information received by the protection devices is verified respectively, so that the test result is judged; and the switching value data are configured into switching value nodes of the switching value devices, the switching value nodes of the protection devices are switched out during testing, the actual switching value data of each tested protection device are respectively calculated according to the configured switching value parameters and the offset, and whether the node of the switching value device receives displacement is verified, so that the test result is judged.
2. The relay protection device parallel automatic test method according to claim 1, wherein the step (2) comprises the steps of:
(21) test parameter data for the open test items are assigned: reading and calculating the test parameter data of the N protective devices from the configured test parameter data, sequentially allocating the parameter data of each open node to each open test item of the test task, wherein the allocation principle is sequential allocation, the first device parameter is allocated to the first tested device, the Nth device parameter is allocated to the Nth tested device, and the calculation method of the open parameter of each tested protective device comprises the following steps: the parameter + offset of the first device under test;
(22) distributing test parameter data of the opened test items: reading and calculating the test parameter data of N protection devices from the configured test parameter data, and sequentially allocating the parameter data of each open node to each open test item of the test task, wherein the allocation principle is sequential allocation, the first device parameter is allocated to the first tested device, the Nth device parameter is allocated to the Nth tested device, and the calculation method of the open parameter of each tested protection device comprises the following steps: the parameter + offset of the first device under test;
(23) and distributing analog quantity channel information, reading analog quantity channel information data from the configured test parameter data, and distributing the analog quantity channel information data to a measurement channel test and a model-in channel test in the test task according to the channel type.
3. The parallel automatic testing method for relay protection devices according to claim 1, wherein the step (3) comprises the following steps:
(31) open test: splicing and integrating the out node parameters of the switching value devices corresponding to all the devices together by taking an in test item as a unit, opening all the nodes at one time, and respectively verifying the in action information of each tested protection device;
(32) the test was started: sequentially opening the opening nodes of the protection device by taking an opening test item as a unit, and withdrawing the displacement node information received by the switching value device at one time as test result data to be sent to the test data intelligent management module for further processing;
(33) and (3) analog quantity testing: the voltage wiring is connected in parallel, the current wiring is connected in series, the tester outputs corresponding voltage and current test quantity at one time, the sampling values of all the tested protection devices are read in sequence, and the result verification is carried out;
(34) and (4) testing the action time of the protection function: the voltage wiring is connected in parallel, the current wiring is connected in series, the tester outputs corresponding voltage and current test quantity at one time, the tester reads the protection tripping outlet action information of each tested protection device in real time, and after the action information of all the tested protection devices is read, the test result data is sent to the test data intelligent management module for further processing.
4. The relay protection device parallel automatic test method according to claim 1, wherein the step (4) comprises the steps of:
(41) open test action information allocation: taking a test item as a unit, the switching value device receives the action node information of N tested protection devices after the protection devices are switched out at one time, distributes the actual switching-out displacement node information of the N tested protection devices according to the offset of the switching-out parameter configuration, and stores the actual switching-out displacement node information into a test result parameter 'switching-out displacement information' of the test item;
(42) when the protection function action time is tested, the protection trip outlet action information is distributed: and respectively distributing the displacement information received by each opening of the tester to result data of the test item, namely the result of the tested device I is received by the opening A of the tester, the result of the tested device II is received by the opening B of the tester, and so on, and judging the result and filling in a report by using the opening A action in the result data after the distribution.
5. The relay protection device parallel automatic test system adopting the method according to any one of claims 1 to 4, characterized by comprising a test task intelligent generation module, a test data intelligent management module, a test execution module and a test parameter configuration module; the test task intelligent generation module is used for creating a multi-device parallel test task according to the test template and the test parameter data of each tested device configured by the test parameter configuration module, wherein each device only has one test task, and intelligently distributing the test parameter data to the test task of each tested protection device; the test execution module executes the test flow of the tested protection device according to the parallel test tasks, forms test result data after the test is finished, and transmits the test result data to the test data intelligent management module; the test parameter configuration module is used for configuring test parameters of each device before testing; after the test is finished, the test data intelligent management module intelligently distributes test result data to each tested protection device, and the test result of each tested protection device is judged and the report is filled through the same result variable.
6. The parallel automatic test system of the relay protection device according to claim 5, wherein the test parameter data includes connection data of a switching value and channel information data of an analog value.
7. The relay protection device parallel automatic test system according to claim 5, wherein the test task includes test items, test execution sequence, test parameters and test result discrimination.
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