CN111103495A - Automatic test system and method for field debugging of cross-interval relay protection equipment - Google Patents
Automatic test system and method for field debugging of cross-interval relay protection equipment Download PDFInfo
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Abstract
The invention provides an automatic test system for field debugging of cross-interval relay protection equipment, which comprises a debugging and verifying host, a telecontrol network switch machine, a wireless transmitting host, wireless test terminals and wireless access terminals, wherein the wireless test terminals and the wireless access terminals are arranged at intervals; the debugging and verifying host is used for analyzing the test template file and sending the analyzed test data and the received test command to the wireless access terminal and the wireless test terminal; the wireless open-in and open-out terminal is used for executing test acquisition according to the open-out contact signal generated by the state sequence information and the test command and returning a protection action contact signal of the tested relay protection device to the debugging and verifying host; the wireless test terminal is used for executing a test according to the current and voltage value generated by the test template file and the test command; the telecontrol network switch-off device is used for receiving a protection communication signal of the device and sending the protection communication signal to the debugging verification host; the debugging and verifying host is also used for judging a test result; the system is suitable for field debugging of the trans-interval relay protection device of the transformer substation.
Description
Technical Field
The invention belongs to the technical field of substation automation systems, and relates to an automatic test system and method for field debugging of cross-interval relay protection equipment.
Background
In the field debugging stage of the transformer substation, the relay protection equipment needs to be debugged on site, the traditional manual detection method wastes time and labor, the small automatic test system cannot meet the protection and automatic function test requirements of multiple alternating current input at intervals, such as bus-differential protection, spare power automatic switching protection, failure protection and the like under the field environment of the transformer substation, and the existing large test systems such as digital-analog test systems, moving-analog test systems and the like cannot be applied to the field debugging of the transformer substation.
Disclosure of Invention
The invention provides an automatic test system and method for field debugging of cross-interval relay protection equipment, which can be simultaneously applied to a traditional transformer substation and an intelligent transformer substation and applied to multiple interval debugging and can test a complete full-debugging ring from a secondary alternating current loop injection end to a telecontrol outlet, and the specific steps are as follows:
the invention provides an automatic test system for field debugging of cross-interval relay protection equipment, which comprises: the system comprises a debugging verification host, a telecontrol network switch machine, a wireless transmitting host, a wireless test terminal and a wireless access terminal, wherein the wireless test terminal and the wireless access terminal are arranged at intervals;
the debugging and verifying host is used for analyzing a pre-configured test template file and sending test data obtained by analyzing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host;
the wireless open-in open-out terminal is used for being connected with the tested relay protection device, executing a test according to an open-out contact signal and a test command generated by the state sequence information, collecting a protection action contact signal of the tested relay protection device and transmitting the protection action contact signal back to the debugging and verifying host through the wireless transmitting host;
the wireless test terminal is used for being connected with the tested relay protection device and executing a test according to a current voltage value generated by state sequence information in the test template file and a test command sent by the debugging and verifying host;
the telecontrol network switch is used for receiving a protection communication signal of the tested relay protection device and transmitting the protection communication signal to the debugging and verifying host;
the debugging and verifying host is also used for judging a test result according to the protection action contact signal and the protection communication signal.
Preferably, the wireless transmitting host comprises: the device comprises a receiving module and a return module;
the receiving module is used for receiving the test data sent by the debugging and verifying host and the test command sent by the operator and forwarding the test data to the wireless test terminal and the wireless access terminal;
and the return module is used for returning the protection action contact point signal returned by the wireless input/output terminal to the debugging and verifying host.
Preferably, the debug authentication host includes: the device comprises a configuration analysis module, a sending module, a receiving module and a result determination module;
the configuration analysis module is used for configuring a test template file of the tested relay protection device and analyzing the test template file to generate test data;
the sending module is used for sending the test data and the test command sent by the operator to the wireless test terminal and the wireless access terminal in a wireless mode through the wireless transmitting host;
the receiving module is used for receiving a protection action contact signal and a protection communication signal of the tested relay protection device;
the result determining module is used for determining a test result according to the protection action contact signal and the protection communication signal;
the test command comprises data downloading, synchronous time setting, test starting and test ending.
Preferably, the result determination module includes: a preset sequence analysis submodule, an action signal submodule and a communication signal submodule;
the preset sequence analysis submodule is used for analyzing and obtaining the type, the protection fixed value, the applied test voltage and current value and the switch-out contact value of the tested relay protection device based on the test template file;
the action signal submodule is used for judging the action correctness and the action delay correctness of the action contact of the tested relay protection device based on the protection action contact signal, the type of the tested relay protection device, a protection fixed value, an applied test voltage current value and a contact opening value;
the communication signal submodule is used for judging the correctness of the message related to the protection action communication signal of the tested relay protection device;
wherein, the type of the relay protection device to be tested comprises: the relay protection device for the traditional transformer substation and the intelligent transformer substation has the advantages of cross-interval main transformer differential, bus differential, failure and automatic bus transfer.
Preferably, the wireless test terminal includes: the device comprises a current and voltage value module, an execution module and an action module;
the current and voltage value module is used for generating a current and voltage instantaneous value according to the state sequence information in the test template file;
the execution module is used for executing all state sequences of the test template file and a test starting test command sent by the debugging and verifying host machine based on the current and voltage instantaneous value sequence;
and the action module is used for outputting the current and voltage instantaneous values of all the state sequences to the relay protection device to be tested so as to enable the relay protection device to be tested to act.
Preferably, the substation comprises:
the device comprises a tested relay protection device for direct alternating current sampling or a tested relay protection device for sampling by a merging unit, wherein the merging unit comprises an analog input type merging unit and a digital input type merging unit;
the wireless test terminal is directly accessed through the analog quantity mode output of the voltage and current values, is output to the digital quantity input type merging unit through the analog quantity input type merging unit and through the digital quantity mode output of the voltage and current values, and is accessed to the tested relay protection device;
and the merging unit is directly connected with the tested relay protection device.
Preferably, the wireless access terminal includes: an input module and an output module;
the switching-in module is used for executing a data downloading test command sent by the debugging and verifying host computer, acquiring a protection action contact signal of the tested relay protection device and transmitting the protection action contact signal back to the debugging and verifying host computer through the wireless transmitting host computer;
and the opening module is used for executing a data test command sent by the debugging and verifying host, and outputting an opening contact signal generated according to the state sequence information in the test template file to the tested relay protection device to serve as an auxiliary judgment signal required by the action of the tested relay protection device.
Preferably, the wireless open-close terminal is connected to the relay protection device to be tested through an open-close terminal row;
the opening-in-opening terminal block includes: the relay protection device comprises an opening-in and opening-out terminal strip in the relay protection device to be tested and an opening-in and opening-out terminal strip in an intelligent terminal connected with the relay protection device to be tested.
Based on the same conception, the invention provides an automatic test method for field debugging of cross-interval relay protection equipment, which comprises the following steps:
the debugging and verifying host analyzes the pre-configured test template file, and issues test data obtained by analyzing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host;
the wireless test terminal executes the test according to the current and voltage value generated by the state sequence information in the test template file and the test command sent by the debugging and verifying host;
the telecontrol network switch machine receives a protection communication signal of the tested relay protection device and transmits the protection communication signal to the debugging and verifying host;
the wireless open-in open-out terminal executes a test according to an open-out contact signal and a test command generated by the state sequence information, collects a protection action contact signal of the tested relay protection device and transmits the protection action contact signal back to the debugging and verifying host through the wireless transmitting host;
and the debugging and verifying host machine judges a test result according to the protection action contact signal and the protection communication signal.
Preferably, the debugging and verifying host analyzes a pre-configured test template file, and issues test data obtained by analyzing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host, including:
the debugging and verifying host configures a test template file of the tested relay protection device and analyzes the test template file to generate test data;
the debugging and verifying host sends the test data and the test command sent by the operator to the wireless test terminal and the wireless access terminal in a wireless mode through the wireless transmitting host.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides an automatic test system for field debugging of cross-interval relay protection equipment, which comprises: the system comprises a debugging verification host, a telecontrol network switch machine, a wireless transmitting host, a wireless test terminal and a wireless access terminal, wherein the wireless test terminal and the wireless access terminal are arranged at intervals; the debugging and verifying host is used for analyzing a pre-configured test template file and sending test data obtained by analyzing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host; the wireless open-in open-out terminal is used for being connected with the tested relay protection device, executing a test according to an open-out contact signal and a test command generated by the state sequence information, collecting a protection action contact signal of the tested relay protection device and transmitting the protection action contact signal back to the debugging and verifying host through the wireless transmitting host; the wireless test terminal is used for being connected with the tested relay protection device and executing a test according to a current voltage value generated by state sequence information in the test template file and a test command sent by the debugging and verifying host; the telecontrol network switch is used for receiving a protection communication signal of the tested relay protection device and transmitting the protection communication signal to the debugging and verifying host; the debugging and verifying host is also used for judging a test result according to the protection action contact signal and the protection communication signal; the protection action information returning method comprises two ways of directly acquiring a protection trip outlet and communicating and transmitting a telecontrol network shutdown machine by a wireless on-off terminal, and completely covers all links of field debugging.
(2) The automatic test system and the method for field debugging of the cross-interval relay protection equipment can complete the complete debugging process from the injection end of the secondary alternating current circuit or the input end of the digital merging unit to the protection trip outlet and the telecontrol communication outlet.
(3) According to the automatic test system and method for the field debugging of the cross-interval relay protection equipment, the alternating current output unit is a wireless test terminal and can directly output the analog quantity sampling value or simulate the output of the electronic transformer sampling value, so that the system and method are suitable for two application occasions of a traditional transformer substation and an intelligent transformer substation.
(4) The invention provides an automatic test system and method for field debugging of cross-interval relay protection equipment, wherein an adopted wireless transmitting host supports simultaneous communication with a plurality of terminals, maximum 12 wireless test terminals or wireless input/output terminals are supported, each terminal supports a wireless synchronization technology, before testing, the terminals configured at different intervals keep clock synchronization through wireless time synchronization, synchronous output of test data is kept under the same reference clock, and synchronous injection of voltage current values and input/output amounts of multi-interval test can be realized, so that the system and method are suitable for field testing of cross-interval relay protection functions.
Drawings
Fig. 1 is a structural diagram of an automatic test system for field debugging of a cross-interval relay protection device provided by the invention;
fig. 2 is a diagram of a system architecture in a conventional substation in an embodiment of the present invention;
fig. 3 is a system architecture diagram in an intelligent substation in an embodiment of the present invention;
FIG. 4 is a system information flow diagram in an embodiment of the present invention;
FIG. 5 is a diagram of a system software architecture in an embodiment of the present invention;
FIG. 6 is a flow chart of a cross-interval protection function test according to an embodiment of the present invention;
fig. 7 is a flowchart of an automatic test method for field debugging of the cross-interval relay protection device provided by the invention.
Detailed Description
Example 1:
the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the present invention is introduced with reference to a structure diagram of an automatic test system for field-debugging inter-bay relay protection devices, where a debugging and verifying host is connected to a wireless transmitting host and a telecontrol network switch-off device via ethernet, the wireless transmitting host is connected to a wireless test terminal and a wireless access terminal via wireless communication, the wireless test terminal outputs a test voltage and a test current to a tested relay protection device in an analog or digital manner, the wireless access terminal outputs an output signal to the tested relay protection device, collects a protection action output contact signal, the telecontrol network switch-off device is connected to the tested relay protection device via a station control layer communication network, receives a protection action communication signal and outputs the protection action communication signal to the debugging and verifying host via a telecontrol communication port, and the specific steps are as follows:
step 1: the debugging and verifying host analyzes the pre-configured test template file, and issues test data obtained by analyzing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host;
step 2: the wireless test terminal executes the test according to the current and voltage value generated by the state sequence information in the test template file and the test command sent by the debugging and verifying host;
and step 3: the telecontrol network switch machine receives a protection communication signal of the tested relay protection device and transmits the protection communication signal to the debugging and verifying host;
and 4, step 4: the wireless open-in open-out terminal executes a test according to an open-out contact signal and a test command generated by the state sequence information, collects a protection action contact signal of the tested relay protection device and transmits the protection action contact signal back to the debugging and verifying host through the wireless transmitting host;
and 5: and the debugging and verifying host machine judges a test result according to the protection action contact signal and the protection communication signal.
Wherein, the step 1: the debugging and verifying host analyzes the pre-configured test template file, and issues test data obtained by analyzing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host, and the method specifically comprises the following steps:
the debugging and verifying host receives the protection action communication signal from the telecontrol network switch machine, communicates with the wireless transmitting host, and issues test data and control commands.
Step 2: the wireless test terminal executes the test according to the current and voltage value generated by the state sequence information in the test template file and the test command sent by the debugging and verifying host, and the method specifically comprises the following steps:
the wireless test terminal is communicated with the wireless transmitting host and receives a voltage current signal for testing from the wireless transmitting host;
applying voltage and current signals to the analog input type merging unit or the protection device;
and applying the digital signal of the electronic transformer to the digital input type merging unit.
And step 3: the telecontrol network shutdown device receives the protection communication signal of the tested relay protection device and transmits the protection communication signal to the debugging verification host, and the telecontrol network shutdown device specifically comprises:
the wireless open-out terminal is communicated with the wireless transmitting host, receives an open-out signal for testing, or sends the open-in signal to the wireless transmitting host;
receiving an action contact signal of a protection action from the intelligent terminal or the protection device;
and sending an opening signal to an opening access point signal input of the intelligent terminal or the protection device.
And 4, step 4: the wireless open-in open-out terminal executes a test according to the open-out contact signal generated by the state sequence information and a test command, collects the protection action contact signal of the tested relay protection device and transmits the protection action contact signal back to the debugging and verifying host through the wireless transmitting host, and the method specifically comprises the following steps:
and transmitting the action signal of the action contact of the tested relay protection device to the debugging and verifying host.
The invention is realized by adopting the following scheme, and is introduced by combining the system information flow diagram of fig. 4:
(1) the main equipment and functions of the system are shown in the following table:
the main functions of the various devices in the system are shown in the following table:
table 1 main device list
The system is used for a wiring mode of a traditional transformer substation, and is introduced by combining with a system architecture diagram in the traditional transformer substation shown in fig. 2, a merging unit and an intelligent terminal are not configured in the traditional transformer substation, a protection device adopts a direct alternating current sampling mode, a wireless test terminal adopts a direct alternating current output mode to access, and an access and egress terminal of a wireless access and egress terminal is directly connected with an access and egress terminal of the protection device.
The wiring mode of the system when used for an intelligent substation is introduced by combining the system architecture diagram in the intelligent substation shown in fig. 3, for the intelligent substation, the protection devices are all configured with merging units and intelligent terminals, the output mode of the wireless test terminal is determined according to the types of the merging units, the merging units with analog input are directly connected in an analog output mode, and the merging units with digital input adopt an IEC60044-8 protocol to be accessed by optical fibers; the opening-in opening-out terminal of the wireless opening-in opening-out terminal is connected with the intelligent terminal, and information interaction of opening-in and opening-out amount is completed.
(2) The test software is installed on the debugging and verifying host, and the module architecture of the software is shown in FIG. 5. The main frame in the figure shows each software sub-module of the debugging and verifying host, the telecontrol forwarding table analysis module is used for acquiring the communication point table of the tested protection device from the telecontrol forwarding table file, the SQlite database is used for managing the information of the test template library and the communication point table of the tested protection action, the multi-interval system level test module is used for analyzing the test template file and controlling the test process, the check report generation module is used for outputting the test result, the wireless transmitting host communication interface module is used for managing the communication information interaction with the wireless transmitting host, and the communication protocol interface module is used for managing the communication information interaction with the telecontrol gateway.
The cross-interval protection function test template file is configured and generated by the test template management module, and a test value is applied to the corresponding test template file according to the type of the test equipment during testing.
The protection test template file is established according to the following method: the method comprises four types of test template files of main transformer differential, bus differential, failure and spare power automatic switching, wherein each protection test template file only belongs to one type. The information contained in each protection test template file meets the application amount information and auxiliary judgment information required by applying a certain protection test, and comprises the type of a protection device, action fixed value information, the number of wireless test terminals, the number of wireless access and egress test terminals and state sequence information. The state sequence is a combination of a series of sequential output values defined to meet the requirements of a protection test in the power system, and a group of output values in the same time period is taken as one state, and the sequential combination of a plurality of states becomes the state sequence. Each state sequence comprises the contents of output voltage current value, corresponding wireless test terminal address, signal state, corresponding wireless input/output test terminal address, state termination triggering condition and the like.
When the debugging and verifying host analyzes the test template file, extracting state sequence information in the test template file to generate test data, wherein the test data comprises wireless test terminal addresses and output voltage and current values in each state sequence, and wireless open-in and open-out test terminal addresses and open-out signal states;
(1) the method comprises four types of test template files of main transformer differential, bus differential, failure and spare power automatic switching, wherein each protection test template file only belongs to one type. The information contained in each protection test template file meets all protection test information of a determined applied test quantity and a protection constant value, and comprises the number of wireless test terminals, the number of wireless input/output test terminals, a constant value of a device to be tested and a plurality of state sequence information.
(2) The number of the state sequences is irrelevant to the test type, an operator configures the state sequences one by one, the output of all analog quantity terminals and the output of a switching value terminal need to be configured in a single state, a test termination triggering condition is configured, and if the test termination triggering condition is the entry triggering, the entry number is configured.
(3) Before the test is started, wiring work is firstly carried out. When the system is applied to an intelligent substation for sampling the electronic transformer, a wireless test terminal is adopted to input a digital sampling value from an optical fiber interface of the digital input type merging unit; when the wireless test terminal is applied to a traditional transformer substation or an intelligent transformer substation for analog quantity sampling, the wireless test terminal is adopted to directly input multi-channel analog quantity alternating current output from an analog quantity input terminal row on a merging unit side or a device side. And the wireless opening and closing terminal is adopted to be accessed from the opening and closing terminal row of the intelligent terminal or the protection device, output the opening amount and acquire the protection action outlet contact signal.
Before the protection test is carried out, the time synchronization of all the wireless test terminals and the wireless input/output terminals is completed through wireless signal synchronization, and the consistency of clocks of all the wireless test terminals and a wireless transmitting host is ensured.
(4) When the test is started, the data and the control command of the debugging and verifying host computer are sent to the wireless transmitting host computer, and the wireless transmitting host computer communicates with all the wireless test terminals and the wireless access and exit terminals in a wireless mode and issues all the test data at one time. The complete experimental procedure is shown in FIG. 6. The protection operation condition is simulated by the AC input and the output contact to drive the protection device to be tested to operate.
And 5: the debugging and verifying host judges a test result according to the protection action contact signal and the protection communication signal, and specifically comprises the following steps:
(5) method for judging correctness of protection action
The system automatically judges the correctness of the protection action according to the protection logic in the protection test module and the fixed value content, the action condition of the outlet contact and the protection action condition of communication transmission, and generates a test record.
Example 2:
based on the same conception, the invention provides an automatic test method for field debugging of cross-interval relay protection equipment, as shown in a flow chart of a method in fig. 7, the specific method is as follows:
the debugging and verifying host analyzes the pre-configured test template file, and issues test data obtained by analyzing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host;
the wireless test terminal executes the test according to the current and voltage value generated by the state sequence information in the test template file and the test command sent by the debugging and verifying host;
the telecontrol network switch machine receives a protection communication signal of the tested relay protection device and transmits the protection communication signal to the debugging and verifying host;
the wireless open-in open-out terminal executes a test according to an open-out contact signal and a test command generated by the state sequence information, collects a protection action contact signal of the tested relay protection device and transmits the protection action contact signal back to the debugging and verifying host through the wireless transmitting host;
and the debugging and verifying host machine judges a test result according to the protection action contact signal and the protection communication signal.
Preferably, the debugging and verifying host analyzes a pre-configured test template file, and issues test data obtained by analyzing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host, including:
the debugging and verifying host configures a test template file of the tested relay protection device and analyzes the test template file to generate test data;
the debugging and verifying host sends the test data and the test command sent by the operator to the wireless test terminal and the wireless access terminal in a wireless mode through the wireless transmitting host.
Preferably, the wireless test terminal executes a test according to a current and voltage value generated by the state sequence information in the test template file and an experiment start test command sent by the debugging and verifying host, and the test includes:
generating a current and voltage instantaneous value according to the state sequence information in the test template file;
executing all state sequences of the test template file and a test starting test command sent by a debugging and verifying host machine based on the current and voltage instantaneous value sequence;
and outputting the current and voltage instantaneous values of all the state sequences to the relay protection device to be tested to enable the relay protection device to be tested to operate.
Preferably, the wireless open-in open-out terminal executes a test according to the open-out contact signal and the test command generated by the state sequence information, collects the protection action contact signal of the relay protection device to be tested, and transmits the protection action contact signal back to the debugging and verifying host through the wireless transmitting host, including:
the wireless open-in open-out terminal executes a data test command sent by the debugging verification host, and outputs an open-out contact signal generated according to state sequence information in the test template file to the tested relay protection device to serve as an auxiliary judgment signal required by the action of the tested relay protection device;
and the wireless access terminal executes a data downloading test command sent by the debugging and verifying host, acquires a protection action contact signal of the tested relay protection device and transmits the protection action contact signal back to the debugging and verifying host through the wireless transmitting host.
Preferably, the automatic testing method further includes:
and the debugging and verifying host machine obtains the type of the tested relay protection device, the protection fixed value, the applied test voltage and current value, the switch-out contact value, the protection action contact signal and the protection communication signal determination test result by analyzing the test template file.
Preferably, the testing is preceded by:
the wireless test terminal and the wireless access terminal are connected to the relay protection device to be tested;
and setting time synchronization after wiring is finished, so that the clocks of the wireless test terminal and the wireless input/output terminal are consistent with the clock of the wireless transmission debugging verification host.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention which are filed as the application.
Claims (10)
1. An automatic test system for field debugging of a cross-interval relay protection device, comprising: the system comprises a debugging verification host, a telecontrol network switch machine, a wireless transmitting host, a wireless test terminal and a wireless access terminal, wherein the wireless test terminal and the wireless access terminal are arranged at intervals;
the debugging and verifying host is used for analyzing a pre-configured test template file and sending test data obtained by analyzing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host;
the wireless open-in open-out terminal is used for being connected with the tested relay protection device, executing a test according to an open-out contact signal and a test command generated by the state sequence information, collecting a protection action contact signal of the tested relay protection device and transmitting the protection action contact signal back to the debugging and verifying host through the wireless transmitting host;
the wireless test terminal is used for being connected with the tested relay protection device and executing a test according to a current voltage value generated by state sequence information in the test template file and a test command sent by the debugging and verifying host;
the telecontrol network switch is used for receiving a protection communication signal of the tested relay protection device and transmitting the protection communication signal to the debugging and verifying host;
the debugging and verifying host is also used for judging a test result according to the protection action contact signal and the protection communication signal.
2. The automatic test system of claim 1, wherein the wireless transmission host comprises: the device comprises a receiving module and a return module;
the receiving module is used for receiving the test data sent by the debugging and verifying host and the test command sent by the operator and forwarding the test data to the wireless test terminal and the wireless access terminal;
and the return module is used for returning the protection action contact point signal returned by the wireless input/output terminal to the debugging and verifying host.
3. The automatic test system of claim 2, wherein the debug verification host comprises: the device comprises a configuration analysis module, a sending module, a receiving module and a result determination module;
the configuration analysis module is used for configuring a test template file of the tested relay protection device and analyzing the test template file to generate test data;
the sending module is used for sending the test data and the test command sent by the operator to the wireless test terminal and the wireless access terminal in a wireless mode through the wireless transmitting host;
the receiving module is used for receiving a protection action contact signal and a protection communication signal of the tested relay protection device;
the result determining module is used for determining a test result according to the protection action contact signal and the protection communication signal;
the test command comprises data downloading, synchronous time setting, test starting and test ending.
4. The automatic test system of claim 3, wherein the result determination module comprises: a preset sequence analysis submodule, an action signal submodule and a communication signal submodule;
the preset sequence analysis submodule is used for analyzing and obtaining the type, the protection fixed value, the applied test voltage and current value and the switch-out contact value of the tested relay protection device based on the test template file;
the action signal submodule is used for judging the action correctness and the action delay correctness of the action contact of the tested relay protection device based on the protection action contact signal, the type of the tested relay protection device, a protection fixed value, an applied test voltage current value and a contact opening value;
the communication signal submodule is used for judging the correctness of the message related to the protection action communication signal of the tested relay protection device;
wherein, the type of the relay protection device to be tested comprises: the relay protection device for the traditional transformer substation and the intelligent transformer substation has the advantages of cross-interval main transformer differential, bus differential, failure and automatic bus transfer.
5. The automatic test system of claim 3, wherein the wireless test terminal comprises: the device comprises a current and voltage value module, an execution module and an action module;
the current and voltage value module is used for generating a current and voltage instantaneous value according to the state sequence information in the test template file;
the execution module is used for executing all state sequences of the test template file and a test starting test command sent by the debugging and verifying host machine based on the current and voltage instantaneous value sequence;
and the action module is used for outputting the current and voltage instantaneous values of all the state sequences to the relay protection device to be tested so as to enable the relay protection device to be tested to act.
6. The automatic test system of claim 4, wherein the substation comprises:
the device comprises a tested relay protection device for direct alternating current sampling or a tested relay protection device for sampling by a merging unit, wherein the merging unit comprises an analog input type merging unit and a digital input type merging unit;
the wireless test terminal is directly accessed through the analog quantity mode output of the voltage and current values, is output to the digital quantity input type merging unit through the analog quantity input type merging unit and through the digital quantity mode output of the voltage and current values, and is accessed to the tested relay protection device;
and the merging unit is directly connected with the tested relay protection device.
7. The automatic test system of claim 3, wherein the wireless open-close terminal comprises: an input module and an output module;
the switching-in module is used for executing a data downloading test command sent by the debugging and verifying host computer, acquiring a protection action contact signal of the tested relay protection device and transmitting the protection action contact signal back to the debugging and verifying host computer through the wireless transmitting host computer;
and the opening module is used for executing a data test command sent by the debugging and verifying host, and outputting an opening contact signal generated according to the state sequence information in the test template file to the tested relay protection device to serve as an auxiliary judgment signal required by the action of the tested relay protection device.
8. The automatic test system of claim 7, wherein the wireless open-close terminal is connected to the relay protection device under test through an open-close terminal row;
the opening-in-opening terminal block includes: the relay protection device comprises an opening-in and opening-out terminal strip in the relay protection device to be tested and an opening-in and opening-out terminal strip in an intelligent terminal connected with the relay protection device to be tested.
9. An automatic test method for field debugging of cross-interval relay protection equipment is characterized by comprising the following steps:
the debugging and verifying host analyzes the pre-configured test template file, and issues test data obtained by analyzing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host;
the wireless test terminal executes the test according to the current and voltage value generated by the state sequence information in the test template file and the test command sent by the debugging and verifying host;
the telecontrol network switch machine receives a protection communication signal of the tested relay protection device and transmits the protection communication signal to the debugging and verifying host;
the wireless open-in open-out terminal executes a test according to an open-out contact signal and a test command generated by the state sequence information, collects a protection action contact signal of the tested relay protection device and transmits the protection action contact signal back to the debugging and verifying host through the wireless transmitting host;
and the debugging and verifying host machine judges a test result according to the protection action contact signal and the protection communication signal.
10. The system of claim 9, wherein the debugging and verifying host parses a pre-configured test template file, and issues test data obtained by parsing the test template file and a received test command to the wireless access terminal and the wireless test terminal through the wireless transmitting host, comprising:
the debugging and verifying host configures a test template file of the tested relay protection device and analyzes the test template file to generate test data;
the debugging and verifying host sends the test data and the test command sent by the operator to the wireless test terminal and the wireless access terminal in a wireless mode through the wireless transmitting host.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010056876.3A CN111103495A (en) | 2020-01-17 | 2020-01-17 | Automatic test system and method for field debugging of cross-interval relay protection equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362985A (en) * | 2020-10-22 | 2021-02-12 | 国网辽宁省电力有限公司电力科学研究院 | System and method for detecting multi-compartment system-level protection function of intelligent substation |
| CN113253028A (en) * | 2021-05-17 | 2021-08-13 | 国网安徽省电力有限公司电力科学研究院 | Digital spare power automatic switching distributed test device and method based on LORA transmission |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362985A (en) * | 2020-10-22 | 2021-02-12 | 国网辽宁省电力有限公司电力科学研究院 | System and method for detecting multi-compartment system-level protection function of intelligent substation |
| CN113253028A (en) * | 2021-05-17 | 2021-08-13 | 国网安徽省电力有限公司电力科学研究院 | Digital spare power automatic switching distributed test device and method based on LORA transmission |
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