CN106405277B - Testing device and method for main processing unit in nuclear power station protection system - Google Patents
Testing device and method for main processing unit in nuclear power station protection system Download PDFInfo
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- CN106405277B CN106405277B CN201610738098.XA CN201610738098A CN106405277B CN 106405277 B CN106405277 B CN 106405277B CN 201610738098 A CN201610738098 A CN 201610738098A CN 106405277 B CN106405277 B CN 106405277B
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Abstract
The invention relates to the technical field of digital control of a nuclear power station, and provides a test device and a test method for a main processing unit in a nuclear power station protection system; the device comprises: a communication interface; the test loading unit is used for loading a preset test case; the test execution unit is used for executing the test case; before executing the test case, reading a value of a main processing unit in the nuclear power station protection system through a communication interface according to a test condition corresponding to the test case, and judging whether the value of the main processing unit meets a value required by the test condition; when the conditions are met, the operation result of the main processing unit in the nuclear power plant protection system is sent to a test execution unit in the test device through a communication interface; the verification result exporting unit is used for automatically generating a test result according to the result of the test execution unit; therefore, the test of T2 in the nuclear power plant protection system can be conveniently and quickly completed.
Description
Technical Field
The invention relates to the technical field of digital control of nuclear power stations, in particular to a test device and a test method for a main processing unit in a nuclear power station protection system.
Background
With the wide application and the improvement of reliability of the digitization technology in various industries, the protection system of the nuclear power station also adopts the digitization technology at present, and an analog system adopted by the earlier nuclear power station is gradually upgraded and transformed into a digitization system; due to the particularity of nuclear power, a digital control system can normally and stably operate, and higher requirements are provided, so that the digital control system is very important to be tested and maintained regularly. Taking the T2 test as an example, in the era of simulation systems, in order to complete the T2 test, a separate test device needs to be designed, and the test device and a cable need to be stored in a separate position on site, so that the space is occupied; the test device completes the injection of test signals and the acquisition of the signals, and requires hardware with higher precision and higher cost; before the test, a large amount of wiring is needed, and the test time is long.
With the application of the digitization technique in the protection system, the T2 test method is gradually improved, and the common T2 test is performed in two parts, namely, RPC test and ESFAC test. Wherein:
1. the RPC test adopts a mobile test device, when the RPC system T2 test is carried out, the mobile test device needs to be pushed to the position of a tested channel (RPC), and then the connection between the tested system and the test device is carried out; 2. the ESFAC test uses a fixed test unit integrated in an EAFAC cabinet.
The inventor finds that the following defects exist in the mobile testing device in the process of implementing the invention: 1) the test device needs to be maintained independently; 2) the testing device and the tested system need to be connected with each other independently, and the connection is complex; 3) the cost is high; 4) and occupying space. Although the fixed test device does not need to be separately wired during testing, because the digital protection system belongs to the 1E level, the test device integrated together also needs to meet the 1E level requirement, and needs to be subjected to corresponding identification tests, so that the test device has the following advantages: 1) the system scale becomes complicated; 2) the cost is high; 3) and occupied space, etc.
Disclosure of Invention
In order to solve the problems that in the prior art, a separate testing device needs to be designed in a T2 testing method, and a movable type and a fixed type device have high cost and occupy space, the invention provides the testing device and the method for the main processing unit in the nuclear power station protection system, which are simple in design, portable and space-saving.
In order to achieve the above object, the technical solution provided by the present invention comprises:
in one aspect, a testing apparatus for a main processing unit in a nuclear power plant protection system is provided, and the apparatus includes:
the communication interface is used for realizing communication between the test device and the tested nuclear power station protection system;
the test loading unit is used for loading a preset test case;
the test execution unit is used for executing the test case; before the test case is executed, reading a value of a main processing unit in the nuclear power station protection system through a communication interface according to a test condition corresponding to the test case, and judging whether the value of the main processing unit meets a value required by the test condition; when the condition is met, the running result of the main processing unit in the nuclear power plant protection system is sent to the test execution unit in the test device through the communication interface;
and the verification result deriving unit is used for automatically generating a test result according to the result of the test execution unit.
Preferably, the apparatus further comprises: the test case loading judging unit is used for judging whether the test loading unit successfully loads the test cases; and if the loading is not successful, the test case needs to be modified, so that the modified test case is reloaded by the test loading unit.
Preferably, the apparatus further comprises: the test condition judging unit is used for judging whether the test condition corresponding to the test case meets the requirement of the test case; and if not, modifying the loading condition until the test condition meets the requirements of the test case.
Preferably, after receiving the result of the operation of the main processing unit in the nuclear power plant protection system, the verification result deriving unit automatically generates a test result, and backs up the result and/or generates a part of a test report.
Preferably, the testing device is installed in a computer, and the communication interface in the testing device is a UTP interface or an STP interface.
On the other hand, the invention also provides a method for testing the main processing unit in the nuclear power plant protection system, which is characterized by comprising the following steps:
loading a preset test case;
loading a preset test case;
reading back the value of the main processing unit in the nuclear power station protection system through a communication interface according to the test condition corresponding to the test case, and judging whether the value of the main processing unit in the nuclear power station protection system meets the condition;
when the value of the main processing unit in the nuclear power plant protection system meets the condition, executing the test case to enable the main processing unit in the nuclear power plant protection system to perform logic operation according to the value set in the test case, and transmitting the operation result of the main processing unit in the nuclear power plant protection system to a test device through the communication interface;
and receiving the operation result of the main processing unit in the nuclear power station protection system through the communication interface, and automatically generating a test result.
Preferably, the method further comprises: judging whether the test case is loaded successfully or not; and if the loading is not successful, the test case needs to be modified, and the modified test case is reloaded.
Preferably, the method further comprises: judging whether the test conditions corresponding to the test cases meet the requirements of the test cases; and if not, modifying the loading condition until the test condition meets the requirements of the test case.
Preferably, after receiving a result of the operation of the main processing unit in the nuclear power plant protection system, a test result is automatically generated, and the result is backed up and/or a part of a test report is generated.
Preferably, the testing method executes all testing steps through a computer, and the communication interface used in the testing method is a UTP interface or an STP interface.
By adopting the technical scheme provided by the invention, at least one of the following beneficial effects can be obtained:
1. by adopting the test device and the test method, the test of T2 in the nuclear power station protection system can be conveniently and quickly completed without additional other hardware equipment; and the test flow is simple, and the experience of the user in the test process can be better improved.
2. And the judgment of whether the use case is loaded successfully and/or the judgment of whether the test condition is met is added in the test stage, so that the test can be successfully completed.
3. The test can be completed through a computer, and only the computer is connected with the main processing unit in the nuclear power station protection system through a network cable, so that the connection of the test is simplified, and the maintenance is simple.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure and/or process particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a block diagram of a nuclear power plant protection system according to a first embodiment of the present invention;
fig. 2 is a block diagram of a testing apparatus of a main processing unit in a nuclear power plant protection system according to an embodiment of the present invention;
fig. 3 is a flowchart of a testing method for a main processing unit in a nuclear power plant protection system according to an embodiment of the present invention;
fig. 4 is a block diagram of a testing apparatus of a main processing unit in a nuclear power plant protection system according to a second embodiment of the present invention;
fig. 5 is a flowchart of a testing method for a main processing unit in a nuclear power plant protection system according to a second embodiment of the present invention;
fig. 6 is a block diagram of a structure between a testing apparatus and a main processing unit in a nuclear power plant protection system according to a second embodiment of the present invention;
fig. 7 is another structural block diagram between a testing apparatus and a main processing unit in a nuclear power plant protection system according to a second embodiment of the present invention;
fig. 8 is a schematic diagram of a data format transmitted from a testing apparatus to a tested apparatus through a network according to a second embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that the detailed description is only for the purpose of making the invention easier and clearer for those skilled in the art, and is not intended to be a limiting explanation of the invention; moreover, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are all within the scope of the present invention.
Additionally, the steps illustrated in the flow charts of the drawings may be performed in a control system such as a set of controller-executable instructions and, although a logical ordering is illustrated in the flow charts, in some cases, the steps illustrated or described may be performed in an order different than that illustrated herein.
The technical scheme of the invention is described in detail by the figures and the specific embodiments as follows:
example one
As shown in fig. 1, the present embodiment provides a testing apparatus for a main processing unit in a nuclear power plant protection system, which is used for testing the main processing unit in the nuclear power plant protection system, where the nuclear power plant protection system is a digital protection system, and the system includes: operator stations 101, 102, an engineer station 103, the operator stations 101, 102, the engineer station 103 communicating with field control stations 105, 106 through a system network 104, and field sensors, actuators 109 communicating with the field control stations 105, 106; the test object of the present embodiment is the main processing units 107 and 108 in the field control stations 105 and 106, which is also called T2 test by those skilled in the art; therefore, the main processing unit in the nuclear power plant protection system in this embodiment mainly includes the main processing units 107 and 108 and logic functions.
As shown in fig. 2, the testing apparatus 200 for a main processing unit in a nuclear power plant protection system provided in this embodiment includes:
a communication interface 204 for communicating with a main processing unit in the plant protection system;
a test loading unit 201, configured to load a preset test case;
the test execution unit 202 is used for executing a test case, and the test execution unit 202 can respectively simulate a mobile test device and a fixed test device in the prior art to perform test detection; specifically, according to the test conditions corresponding to the test cases, the values of the main processor units 107 and 108 in the nuclear power plant protection system are read through the communication interface 204, and whether the values of the main processor units 107 and 108 in the nuclear power plant protection system meet the values required by the test conditions is judged, that is, according to the test conditions corresponding to the test cases, the values of the main processor units 107 and 108 in fig. 1 are read through the communication interface 204, and whether the values of the main processor units 107 and 108 in the nuclear power plant protection system meet the test conditions corresponding to the test cases is judged; in the test case execution process, the values in the test case are sent to the main processing units 107 and 108 in fig. 1 through the communication interface 204, the main processing units 107 and 108 perform logical operation according to the received values, the operation results are sent to the test execution unit 202 through the communication interface 204, and the test execution unit 202 automatically generates test results according to the received operation results; the test conditions mentioned in this embodiment are mainly a certain condition required for the test or a created test condition according to different test cases, so that the function corresponding to the test can be completed in the test execution unit 202; it should be noted that the test conditions include, but are not limited to, whether the input value main processing units 107 and 108 are within a predetermined range, and whether the input parameter types meet predetermined requirements, and these test conditions may be designed in advance by a development engineer in the process of designing the test apparatus 200, or may be customized by a field tester before testing, which is not limited in this embodiment of the present invention;
the verification result deriving unit 203 derives the test result generated by the test execution unit 202 to a specific storage medium (for example, a hard disk of a computer) as a part of the test report.
Preferably, in this embodiment, the data in the test case is encapsulated in an ethernet encapsulation manner, the meaning corresponding to one byte or a plurality of bytes in the encapsulated data is a data selection flag, and when the byte corresponding to the data selection flag satisfies a predetermined condition, the value in the test case is selected to participate in the logical operation of the main processing unit 107 or 108, otherwise, the data of the external sensor is selected to participate in the logical operation of the main processing unit 107 or 108.
Preferably, the testing apparatus 200 is a software program installed in a computer, and the communication interface in the testing apparatus 200 is a UTP (unshielded twisted pair) interface or an STP (shielded twisted pair) interface, that is, the testing apparatus 200 directly communicates with the main processing unit in the nuclear power plant protection system through the network cable.
As shown in fig. 3, this embodiment further provides a method for testing a main processing unit in a nuclear power plant protection system, where the method includes:
s301, loading a test case: loading a preset test case;
s302, test configuration: configuring the execution mode and the abnormal handling condition of the test, judging whether the test condition is met according to the test judgment condition in the test case, creating the test condition according to the test creation condition in the test case table, and executing the test case; reading back the value of a main processing unit in the nuclear power station protection system through a communication interface according to the test condition corresponding to the test case, and judging whether the value of the main processing unit in the nuclear power station protection system meets the condition;
s303, executing a test case: when the value of the main processing unit in the nuclear power plant protection system meets the condition, executing a test case, enabling the main processing unit in the nuclear power plant protection system to perform logic operation according to the value set in the test case, and transmitting the operation result of the main processing unit in the nuclear power plant protection system to a test device through a communication interface;
s304 generates test results: and receiving the operation result of the main processing unit in the nuclear power station protection system through the communication interface, and automatically generating a test result.
Preferably, the testing method executes all testing steps through a software program installed in a computer, and a communication interface used in the testing method is a UTP (unshielded twisted pair) interface or an STP (shielded twisted pair) interface, that is, the testing apparatus 200 directly communicates with a main processing unit in the nuclear power plant protection system through a network cable.
By adopting the technical scheme provided by the embodiment, at least one of the following beneficial effects can be obtained:
1. by adopting the test device and the test method, the test of T2 in the nuclear power station protection system can be conveniently and quickly completed without additional other hardware equipment; and the test flow is simple, and the experience of the user in the test process can be better improved.
2. The test can be completed through a computer, and only the computer is connected with the main processing unit in the nuclear power station protection system through a network cable, so that the connection of the test is simplified, and the maintenance is simple.
Example two
The second embodiment is a testing device and a method for further optimizing a main processing unit in a nuclear power plant protection system on the basis of the first embodiment, wherein the same module units in the device are the same in the same steps in the method, although the reference numerals are different, the essential difference is the same, and the description is not repeated in the second embodiment.
Preferably, the testing apparatus further includes, on the basis of the first embodiment: the test case loading judging unit is used for judging whether the test loading unit successfully loads the test cases; and if the loading is not successful, the test case needs to be modified, so that the modified test case is reloaded by the test loading unit.
Further preferably, the testing apparatus further includes, on the basis of the first embodiment: the test condition judging unit is used for judging whether the test conditions corresponding to the test cases meet the requirements of the test cases; if not, the loading condition is required to be modified until the test condition meets the requirements of the test case.
Still further preferably, on the basis of the first embodiment, after the verification result deriving unit receives the result of the operation of the main processing unit in the nuclear power plant protection system, the test result is automatically generated, and the result is backed up and/or a part of the test report is generated.
Specifically, as shown in fig. 3, the testing apparatus for a main processing unit in a nuclear power plant protection system provided in this embodiment includes:
a test loading unit 410, wherein: a configuration engineering loading module 411, configured to load an engineering of a nuclear power plant protection system; a test engineering loading module 412, configured to load an engineering for testing, where the test loading unit 410 may load a test case edited in advance, where the test case fills corresponding data according to a test logic by using a fixed template, and includes: inputting a variable forced value, outputting a variable expected value and reading back time in the test process; and the test cases are also checked in the loading process.
And a test execution unit 420, which executes the test case step by step according to the loaded input variable forced value, wherein in each step, the test tool sends the forced value to the tested system through the network cable, the tested system performs logic processing according to the received forced value, then sends the corresponding output data to the test tool, and the test tool receives the value and compares the value with an expected value to judge whether the test passes or not. Some special tests need certain conditions or create test conditions, such as: when the test is carried out, the tested system is required to be in a bypass state, and if the tested system is not in the bypass state during the test, the test condition is not passed and the test cannot be carried out; the shutdown function of the protection system comprises a plurality of working conditions (such as high source range power, high intermediate power range and the like), when one working condition is tested, signals of other working conditions need to be ensured not to generate shutdown signals, in order to complete the function, signals simulating other working conditions need to be created through test cases, and the function can be completed in a test execution unit. The test execution unit 420 includes:
the test selection and execution module 421 is configured to select to receive a test case to be tested, and further input a test corresponding to the test case to a subsequent module for execution;
a test configuration table configuration module 422, configured to configure test execution modes, such as automatic execution/manual execution configuration, fault handling mechanism configuration, and the like;
the test condition judging module 423 is used for judging whether the test requirements are met according to the test conditions in the test cases;
the recorded data recovery module 424 is configured to record a value of the pre-test variable parameter, and recover an original data value of the system to be tested according to the recorded value after the test is finished;
the test condition creating module 425 is used for creating test input parameters required by the system to be tested, and can perform forced conversion on variables in the system to be tested according to the parameters required by the test;
a test case execution module 426, configured to execute a test according to a test case;
a release condition module 427 for releasing the forcibly converted parameters during the test;
the data recovery module 428 recovers the variable parameters of the system prior to the trial based on the values recorded at 424.
The testing apparatus provided in this embodiment also includes a test result deriving unit 430 and a communication interface 440, and the test result deriving unit 430 may automatically derive the test result for backup or as part of a test report.
Preferably, the test method further includes, on the basis of the first embodiment: judging whether the test case is loaded successfully or not; and if the loading is not successful, the test case needs to be modified, and the modified test case is reloaded.
Preferably, the test method further includes, on the basis of the first embodiment: judging whether the test conditions corresponding to the test cases meet the requirements of the test cases; if not, the loading condition is required to be modified until the test condition meets the requirements of the test case.
Preferably, on the basis of the first embodiment, the test method receives a result of operation of a main processing unit in the nuclear power plant protection system, automatically generates a test result, and backs up the result and/or generates a part of a test report.
Specifically, as shown in fig. 5, the method for testing the main processing unit in the nuclear power plant protection system provided in this embodiment includes
S501: the computer with software is connected with the main processing unit of the protection system through a network cable, and the IEEE802.3 communication protocol is met;
s502: running a test software program on a computer, and designating a port for communication on the software program;
s503: loading a test case through software, wherein the case is compiled in advance by engineering designers according to a logic implementation mode of a tested protection system;
s504: the test software verifies the loaded test case according to the verification rule, if the verification passes S506, otherwise, S505 is executed;
s506: selecting a corresponding test case by a tester according to the logic of the tested protection system, carrying out a test, and automatically executing the test;
s507: judging test conditions, wherein the test conditions are set by engineering designers according to the logic of the tested protection system, if the test conditions are met, executing S509, otherwise executing S508;
s509: the test case is automatically executed, and the case execution mode is shown in fig. 6 and 8: packaging data (a data format corresponding to fig. 8) in the test case in an ethernet packaging manner, wherein 1 st byte and 2 nd byte in the data are data selection identification bits; in the process of executing the test case, the test apparatus 610 (the test execution unit 420 corresponding to fig. 4) sets the value of the 1 st and 2 nd bytes to 0x32, and further sends the value to the communication unit 631 of the main processing unit 630 through the network cable, the communication unit 631 analyzes the data, when the analyzed value is 0x32, the value in the test case is automatically selected, otherwise, the value of the I/O channel 620 is selected, further, the communication unit 631 sends the selected data to the logic unit 632, the logic unit 632 performs logic processing according to the sent data, and then the processing result is sent back to the test apparatus 610 through the communication unit 631, and further, the test apparatus executes S510 to automatically generate the test result.
Fig. 7 is a more detailed structural block diagram between a testing apparatus and a main processing unit in a nuclear power plant protection system according to this embodiment; as shown in fig. 7, taking a T2 test of a Reactor Protection Cabinet (RPC) in a Reactor Protection system of a certain nuclear power plant as an example for explanation, the Reactor Protection Cabinet includes 4 channels, and a connection relationship between a test device and a first Channel (RPCI) 730 of the RPC is shown in fig. 7: when the RPCI of the nuclear power station is in normal operation, the RPCI may receive inputs of an external sensor 732, another system 733, and another channel 734, and the setting value module 731 may compare a result detected by the sensor 732 with a threshold value comparison module 736, and input data meeting requirements, data input by the other system through the DI, and data from the other channel to a dedicated and reactor logic module 737 together, and the dedicated and reactor logic module 737 may send an operation result to a reactor shutdown breaker 751 through a DO module 741 to implement a reactor shutdown function, and send the operation result to the other channel (RPCII, RPCIV) through a communication module 742 to perform logic operation; when the test is carried out, the tested channel is bypassed, and then the test device 710 is connected to the tested system 730 through a network cable; after the connection is successful, the device is started, a test interface is called out, test case loading operation is carried out, a test is carried out after a test case to be tested is selected, and at the moment: the receiving section 761 (corresponding to 631 in fig. 6) selects a value in the test case from the communication interface 720 instead of the values 732, 733, and 734, and 736 and 737 perform calculation based on the value in the test case, and then sends the calculation result to the testing apparatus 710 from the communication interface 720 via the transmission section 762 (corresponding to 631 in fig. 6), and further, the test result is automatically generated by the testing apparatus 710 and stored in a specific medium.
It should be noted that, in the above technical solution provided in this embodiment:
1. in the test method, the connection mode of the test device and the tested system can adopt other communication media or communication protocols to carry out data interaction according to the characteristics of the platform;
2. the architecture of the test device can be realized by constructing different architectures by different software architecture engineers, such as: adjusting the implementation mode of the test loading unit, adjusting the form format of the test case or adopting other text formats and the like.
By adopting the above preferred technical scheme provided by the embodiment, the following beneficial effects can be further achieved:
1. and the judgment of whether the use case is loaded successfully and/or the judgment of whether the test condition is met is added in the test stage, so that the test can be successfully completed.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be understood that the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make many changes and simple substitutions to the technical solution of the present invention without departing from the technical solution of the present invention, and the technical solution of the present invention is protected by the following claims.
Claims (10)
1. A test device for a main processing unit in a nuclear power plant protection system is characterized in that the test device is used for carrying out a T2 test on the main processing unit in the nuclear power plant protection system, and the test device comprises:
the communication interface is used for realizing communication between the test device and the tested nuclear power station protection system;
the test loading unit is used for loading a preset test case;
the test execution unit is used for executing the test case; before the test case is executed, reading a value of a main processing unit in the nuclear power station protection system through a communication interface according to a test condition corresponding to the test case, and judging whether the value of the main processing unit meets a value required by the test condition; when the condition is met, the running result of the main processing unit in the nuclear power plant protection system is sent to the test execution unit in the test device through the communication interface; the shutdown function of the nuclear power station protection system comprises a plurality of working conditions, and when one working condition is tested, signals simulating other working conditions are created through a test case to ensure that the signals of other working conditions do not generate shutdown signals;
the verification result exporting unit is used for automatically generating a test result according to the result of the test execution unit;
the test execution unit comprises a recorded data recovery module, a release condition module and a data recovery module; the recorded data recovery module is used for recording the value of the variable parameter before the test and recovering the original data value of the tested system according to the recorded value after the test is finished; the release condition module is used for releasing the parameters which are forcibly converted in the test process; and the data recovery module recovers the variable parameters of the system before the test according to the values recorded by the recorded data recovery module.
2. The apparatus of claim 1, further comprising: the test case loading judging unit is used for judging whether the test loading unit successfully loads the test cases; and if the loading is not successful, the test case needs to be modified, so that the modified test case is reloaded by the test loading unit.
3. The apparatus of claim 1, further comprising: the test condition judging unit is used for judging whether the test condition corresponding to the test case meets the requirement of the test case; and if not, modifying the loading condition until the test condition meets the requirements of the test case.
4. The apparatus according to any one of claims 1 to 3, wherein the verification result deriving unit, after receiving the result of the operation of the main processing unit in the nuclear power plant protection system, automatically generates a test result, and backs up the result and/or generates a part of a test report.
5. The device according to any one of claims 1 to 3, wherein the test device is installed in a computer, and the communication interface is a UTP interface or a STP interface.
6. A test method for a main processing unit in a nuclear power plant protection system is characterized in that the test method is used for carrying out a T2 test on the main processing unit in the nuclear power plant protection system, and the method comprises the following steps:
loading a preset test case;
reading back the value of the main processing unit in the nuclear power station protection system through a communication interface according to the test condition corresponding to the test case, and judging whether the value of the main processing unit in the nuclear power station protection system meets the condition;
when the value of the main processing unit in the nuclear power plant protection system meets the condition, executing the test case to enable the main processing unit in the nuclear power plant protection system to perform logic operation according to the value set in the test case, and transmitting the operation result of the main processing unit in the nuclear power plant protection system to a test device through the communication interface; the shutdown function of the nuclear power station protection system comprises a plurality of working conditions, and when one working condition is tested, signals simulating other working conditions are created through a test case to ensure that the signals of other working conditions do not generate shutdown signals;
receiving the operation result of a main processing unit in the nuclear power station protection system through the communication interface, and automatically generating a test result;
and the recorded data recovery module is used for recording the value of the variable parameter before the test, recovering the original data value of the tested system according to the recorded value after the test is finished, and releasing the parameter which is forcibly converted in the test process.
7. The method of claim 6, further comprising: judging whether the test case is loaded successfully or not; and if the loading is not successful, the test case needs to be modified, and the modified test case is reloaded.
8. The method of claim 6, further comprising: judging whether the test conditions corresponding to the test cases meet the requirements of the test cases; and if not, modifying the loading condition until the test condition meets the requirements of the test case.
9. The method according to any one of claims 6 to 8, characterized in that after receiving the result of the operation of the main processing unit in the nuclear power plant protection system, the test result is automatically generated, and the result is backed up and/or a part of the test report is generated.
10. The method according to any one of claims 6 to 8, wherein the testing method performs all testing steps by a computer, and the communication interface is a UTP interface or a STP interface.
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| CN107479536B (en) * | 2017-08-29 | 2020-03-31 | 北京广利核系统工程有限公司 | Containment leakage rate calculation verification method and device |
| CN108154943A (en) * | 2017-11-24 | 2018-06-12 | 中核控制系统工程有限公司 | Nuclear power plant reactor protection system at regular intervals experiment T2 test methods |
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| CN203644402U (en) * | 2013-12-13 | 2014-06-11 | 中广核核电运营有限公司 | Logical circuit testing device for nuclear power plant reactor protection system |
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