CN112214403A - A kind of automatic testing method, device and system based on protection device model file - Google Patents

Abstract

The invention relates to an automatic test method, a device and a system based on a protection device model file, wherein the maximum value and the minimum value of a protection model, protection function configuration and a protection constant value can be obtained from an ICD (IED capability description file) model file, so that a test case template of conventional test items such as a protection constant value precision test, action time, constant value effectiveness and the like can be automatically generated in an off-line manner under the condition of only the ICD model file; for a device running on site, a device on-line reading device configuration file is used for obtaining a device parameter fixed value and a protection fixed value, an automatic test case template is imported, and a test case is automatically generated. Therefore, the manufacturing cycle of the test case is greatly shortened, the test efficiency is improved, and errors such as fixed value input and the like caused by human intervention factors are reduced.

Description

A kind of automatic testing method, device and system based on protection device model file

technical field

The invention relates to the field of power system relay protection, in particular to an automatic testing method, device and system based on a protection device model file.

Background technique

At present, the automatic test case generation method is for the protection device to be tested, using manual input of protection setting value, pressure plate and other information, and the tester manually executes the program to generate the test case, which lacks a certain degree of versatility, so the workload of the tester is large and the test efficiency It has high requirements for the professional ability of operators.

With the "Q/GDW 1161-2013 Standardized Design Specification for Line Protection and Auxiliary Devices" and "Q/GDW1175-2013 Standardized Design Specification for Transformers, High Voltage Shunt Reactors and Busbar Protection and Auxiliary Devices" and "Q/GDW1396-2013 IEC61850 Engineering Relay According to the release of "Electrical Protection Application Model File", the protection of each relay protection manufacturer follows the function configuration, circuit design, terminal block arrangement, interface standard, panel pressure plate, protection setting value (report format), panel display light, device menu, information The nine parts of the specification are unified in principle, so the same test cases can be used to test similar protection devices of different manufacturers, which not only reduces the labor intensity of testers, greatly improves work efficiency, but also makes the testing work more standardized.

SUMMARY OF THE INVENTION

Based on the above-mentioned situation in the prior art, the purpose of the present invention is to provide a test for the basic functions, on-site debugging and on-site problem reproduction of similar protection devices of different manufacturers, which can realize the protection functions and setting accuracy of similar protection devices of different manufacturers. Typical test items, automatic test methods, devices and systems for each protection function in the field operating environment. The present invention utilizes the protection device ICD model file (IED capability description file) to automatically generate test cases of conventional test items such as protection fixed value accuracy test, action time, and fixed value validity offline; or read the device configuration file online to automatically generate test cases , greatly shorten the production cycle of test cases, improve test efficiency, and reduce errors such as fixed value input caused by human intervention factors.

In order to achieve the above object, according to one aspect of the present invention, an automatic testing method based on a protection device model file is provided, comprising the steps of:

S1, receive a test task, and determine the type of the protection device according to the ICD model file of the protection device;

S2. Select test items and formulate test plans;

S3, determine whether the device is in an online state or an offline state, if it is an offline state, execute step S4, if it is an online state, jump to step S5;

S4, obtain the maximum value and the minimum value of the protection constant value of the protection device through the ICD model file, and jump to step S6;

S5. Obtain the protection setting value of the protection device by reading the configuration file of the protection device online;

S6. Download the protection setting to the tester and read back the calibration information;

S7, automatically generating test cases and executing the test cases;

S8. Generate and store test results.

Further, the step S4 also includes acquiring the protection model of the protection device.

Further, in the step S5, the protection setting value of the protection device obtained includes the system parameter setting value, the protection setting value and the soft platen information of the protection device.

Further, the test case includes one or more of a protection fixed value accuracy test, an action time validity test, and a fixed value validity test.

According to a second aspect of the present invention, an automatic test device based on a protection device model file is provided, including a task receiving module, a test plan formulation module, a protection setting value acquisition module, a protection setting value downloading module, and a test case generation and execution module; wherein,

The task receiving module receives the test task, and determines the type of the protection device according to the ICD model file of the protection device;

The test plan formulation module, selects the test item, and formulates the test plan;

The protection fixed value acquisition module separately obtains the protection fixed value according to whether the device is in an online state or an offline state;

The protection fixed value download module, download the protection fixed value to the tester and read back the calibration information;

The test case generation and execution module automatically generates test cases, executes the test cases, and generates and stores test results.

Further, the protection fixed value acquisition module, according to whether the device is in an online state or an offline state, separately acquires the protection fixed value, including:

Determine whether the device is online or offline. If it is offline, obtain the maximum and minimum protection values of the protection device through the ICD model file; if it is online, read the configuration of the protection device online. The file obtains the protection settings of the protection device.

Further, obtaining the maximum value and the minimum value of the protection setting value of the protection device through the ICD model file also includes obtaining the protection model of the protection device.

Further, in obtaining the protection setting of the protection device by reading the configuration file of the protection device online, the protection setting includes the system parameter setting, protection setting and soft platen information of the protection device. .

Further, the test case includes one or more of a protection fixed value accuracy test, an action time validity test, and a fixed value validity test.

According to a third aspect of the present invention, an automatic test system based on a protection device model file is provided, including a control host, an interface device, a tester and a protection device;

The control host sends the analog quantity, switch quantity and fault parameter information to the interface device through a private protocol after being parsed by the interface program;

The interface device parses the private protocol and converts it into information that can be received by the tester, and drives the tester to control the analog quantity, switch quantity and fault parameter information;

The protection device feeds back the test result to the interface device, and then sends it to the control host;

Wherein, the control host includes the automatic testing device described in the second aspect of the present invention, and executes the automatic testing method described in the first aspect of the present invention.

To sum up, the present invention provides an automatic testing method, device and system based on a protection device model file. Based on the model file or configuration file of the device, the setting value and pressure plate information of the protection device are obtained, and test cases are automatically generated. The ICD (IED Capability Description File) model file of the device can learn the protection model, protection function configuration and the maximum and minimum values of the protection setting. Therefore, the protection setting accuracy test can be automatically generated offline under the condition of only the ICD model file. Test case templates for conventional test items such as action time, setting validity and so on; for devices running on site, the device parameter settings and protection settings are obtained by reading the device configuration file online, and the automatic test case template is imported to automatically generate tests. Example. Therefore, it not only greatly shortens the production cycle of test cases and improves the test efficiency, but also reduces errors such as input of fixed values caused by human intervention.

Description of drawings

Fig. 1 is the flow chart of the automatic testing method based on the protection device model file of the present invention;

Fig. 2 is the structural block diagram of the automatic test device based on the protection device model file of the present invention;

FIG. 3 is a structural block diagram of the automatic testing system based on the protection device model file of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.

The invention provides a test method for the basic functions, on-site debugging and on-site problem reproduction of similar protection devices of different manufacturers, which can realize the typical test items such as protection functions and fixed value accuracy of the same type of protection devices of different manufacturers. Automatic testing method, device and system for protection function. Use the protection device ICD model file to automatically generate test cases for routine test items such as protection fixed value accuracy test, action time, and fixed value validity offline; or read the device configuration file online to automatically generate test cases, which greatly shortens the production cycle of test cases. , improve the test efficiency and reduce errors such as fixed value input caused by human intervention factors.

The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings. According to an embodiment of the present invention, an automatic test method based on a protection device model file is provided. FIG. 1 is a flowchart of the automatic test method based on a protection device model file of the present invention. As shown in FIG. 1 , the automatic test method Include steps:

S1. Receive a test task, and determine the type of the protection device according to the ICD model file of the protection device.

S2. Select a test item and formulate a test plan.

S3. Determine whether the device is in an online state or an offline state. If it is in an offline state, execute step S4, and if it is in an online state, jump to step S5.

S4. Obtain the maximum value and the minimum value of the protection constant value of the protection device through the ICD model file, and jump to step S6. Among them, the protection model of the device, the maximum and minimum values of the protection settings can be obtained offline through the "physical equipment nameplate" in the ICD model file of the protection device.

S5. Obtain the protection setting value of the protection device by reading the configuration file of the protection device online. Specifically, by reading the configuration file of the protection device online, the system parameter setting value, protection setting value and soft pressing board information of the protection device are obtained.

S6. Download the protection setting to the tester and read back the calibration information.

S7. Automatically generate test cases and execute the test cases. Wherein, the test case includes one or more of the protection fixed value accuracy test, action time validity, and fixed value validity test

S8. Generate and store test results.

Among them, the automatic test template in the automatic method can be compiled by using the small Lua script language, and the Lua script language has the characteristics of small size, fast startup speed and easy expansion. The automatic test method provided by this embodiment uses test template editing software to automatically generate test cases, avoids parameter input errors caused by human factors, ensures the accuracy and reliability of acquiring device information, greatly improves test efficiency and on-site debugging efficiency, and shortens test time. cycle.

According to a second embodiment of the present invention, an automatic test device based on a protection device model file is provided. The structural block diagram of the automatic test device is shown in FIG. 2 , including: a task receiving module, a test plan formulation module, a protection device Fixed value acquisition module, protection fixed value download module and test case generation and execution module. The various modules are connected in sequence, specifically,

The task receiving module receives the test task, and determines the type of the protection device according to the ICD model file of the protection device.

The test plan formulating module selects the test items and formulates the test plan.

The protection constant value acquisition module separately acquires the protection constant value according to whether the device is in an online state or an offline state. The protection setting value acquisition is specifically realized by the following methods: judging whether the device is in an online state or an offline state, and if it is an offline state, obtain the maximum and minimum values of the protection device protection setting value through the ICD model file; if it is an online state , and obtain the protection setting value of the protection device by reading the configuration file of the protection device online. Wherein, obtaining the maximum value and the minimum value of the protection setting value of the protection device through the ICD model file also includes obtaining the protection model of the protection device. Wherein, in obtaining the protection setting of the protection device by reading the configuration file of the protection device online, the protection setting includes the system parameter setting, protection setting and soft pressing plate information of the protection device.

The protection setting download module downloads the protection setting value to the tester and reads back the calibration information.

The test case generation and execution module automatically generates test cases, executes the test cases, and generates and stores test results. Wherein, the test case includes one or more of the protection fixed value accuracy test, the action time validity, and the fixed value validity test.

According to a third embodiment of the present invention, an automatic test system based on a protection device model file is provided. FIG. 3 is a structural block diagram of the automatic test system based on a protection device model file of the present invention. As shown in FIG. 3 , the system It includes: a control host, an interface device, a tester and a protection device, and the control host, the interface device, the tester and the protection device are connected in sequence.

The control host carries and executes automatic test cases, and stores test results. It is used to send information such as analog quantity, switch quantity and fault parameter to the interface device through a private protocol after being parsed by the interface program. The interface device parses the private protocol and converts it into information that can be received by the tester, and drives the tester to control the analog quantity, switch quantity and fault parameter information. The protection device feeds back the test result to the interface device, and then sends it to the control host. Wherein, the control host includes the automatic testing device described in the second embodiment of the present invention, and executes the automatic testing method described in the first embodiment of the present invention.

In summary, the present invention relates to an automatic testing method, device and system based on a protection device model file, since the protection model, protection function configuration and protection setting value can be learned from the device ICD (IED capability description file) model file. The maximum value and the minimum value, so under the condition of only the ICD model file, the test case template of the routine test items such as protection fixed value accuracy test, action time, and fixed value validity can be automatically generated offline; The device reads the device configuration file online to obtain the device parameter settings and protection settings, imports the automatic test case template, and automatically generates test cases. Therefore, not only the production cycle of test cases is greatly shortened, the test efficiency is improved, but also errors such as fixed value input caused by human intervention factors are reduced.

It should be understood that the above-mentioned specific embodiments of the present invention are only used to illustrate or explain the principle of the present invention, but not to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention should be included within the protection scope of the present invention. Furthermore, the appended claims of this invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalents of such scope and boundaries.

Claims (10)

1. an automatic testing method based on protection device model file, is characterized in that, comprises the steps: S1, receive the test task, and determine the type of the protection device according to the ICD model file of the protection device; S2. Select test items and formulate test plans; S3, determine whether the device is in an online state or an offline state, if it is an offline state, execute step S4, if it is an online state, jump to step S5; S4, obtain the maximum value and the minimum value of the protection constant value of the protection device through the ICD model file, and jump to step S6; S5. Obtain the protection setting value of the protection device by reading the configuration file of the protection device online; S6. Download the protection setting to the tester and read back the calibration information; S7, automatically generating test cases and executing the test cases; S8. Generate and store test results. 2 . The automatic testing method according to claim 1 , wherein the step S4 further comprises obtaining the protection model of the protection device. 3 . 3 . The automatic testing method according to claim 1 , wherein the obtaining of the protection settings of the protection device in the step S5 includes system parameter settings, protection settings and soft platen information of the protection device. 4 . 4 . The automatic test method according to claim 1 , wherein the test case includes one or more of a protection fixed value accuracy test, an action time validity test, and a fixed value validity test. 5 . 5. an automatic test device based on a protection device model file, characterized in that it comprises a task receiving module, a test scheme formulation module, a protection fixed value acquisition module, a protection fixed value downloading module and a test case generation and execution module; wherein, The task receiving module receives the test task, and determines the type of the protection device according to the ICD model file of the protection device; The test plan formulation module, selects the test item, and formulates the test plan; The protection fixed value acquisition module separately obtains the protection fixed value according to whether the device is in an online state or an offline state; The protection fixed value download module, download the protection fixed value to the tester and read back the verification information; The test case generation and execution module automatically generates test cases, executes the test cases, and generates and stores test results. 6. The automatic test device according to claim 5, wherein the protection fixed value acquisition module, according to whether the device is in an online state or an offline state, respectively carries out the acquisition of the protection fixed value, comprising: Determine whether the device is in an online state or an offline state. If it is in an offline state, obtain the maximum and minimum values of the protection settings of the protection device through the ICD model file; if it is in an online state, obtain it by reading the configuration file of the protection device online. The protection setting of the protection device. 7 . The automatic test device according to claim 6 , wherein obtaining the maximum value and the minimum value of the protection setting value of the protection device through the ICD model file further comprises obtaining the protection model of the protection device. 8 . 8 . The automatic test device according to claim 6 , wherein in obtaining the protection setting value of the protection device by reading the configuration file of the protection device online, the protection setting value includes the protection setting value. 9 . The system parameter setting value, protection setting value and soft platen information of the device. 9 . The automatic test device according to claim 6 , wherein the test case includes one or more of a protection fixed value accuracy test, an action time validity test, and a fixed value validity test. 10 . 10. An automatic test system based on a protection device model file, characterized in that it comprises a control host, an interface device, a tester and a protection device; The control host sends the analog quantity, switch quantity and fault parameter information to the interface device through a private protocol after being parsed by the interface program; The interface device parses the private protocol and converts it into information that can be received by the tester, and drives the tester to control the analog quantity, switch quantity and fault parameter information; The protection device feeds back the test result to the interface device, and then sends it to the control host; Wherein, the control host includes the automatic test device according to any one of claims 5-9, and executes the automatic test method according to any one of claims 1-4.

Images