CN118011861A - Standardized simulation test system and method for power grid safety and stability control system - Google Patents
Standardized simulation test system and method for power grid safety and stability control system Download PDFInfo
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Abstract
The invention discloses a standardized simulation test system and method for a power grid safety and stability control system, wherein the system comprises a power grid stability control system at a transmitting end and a power grid stability control system at a receiving end, wherein the power grid stability control system at the transmitting end and the power grid stability control system at the transmitting end are of a double-layer framework or a multi-layer framework, and closed-loop simulation test is carried out on the power grid stability control system at the transmitting end and the power grid stability control system at the receiving end through simulating fault information; the invention is suitable for a multi-layer/double-layer two-stability control system structure, is compatible with two application scenes of a power grid at a transmitting end and a receiving end, covers all types of stability control devices, considers a substation cascade form, provides a standardized test method for interoperability and maximum communication channel access capability for the first time, obviously reduces the workload of test sample production and test environment establishment, optimizes test time and has the characteristics of generalization, representativeness and compactness.
Description
Technical Field
The invention belongs to the field of simulation test of relay protection and safety automatic devices, and particularly relates to a standardized simulation test system and method of a power grid safety and stability control system.
Background
The safety and stability control system (stability control system) is a system formed by connecting safety and stability control devices of two or more stations through communication equipment, and realizes the stability control of an area or a larger-range power system. The purpose of the standardized design of the stable control system is to conduct layered and partitioned design on the stable control function of the power grid, a stable control device responsible for regional power grid control decision and action command issuing is used as a main station, decision making is conducted by combining offline stable analysis and real-time running state of the power grid, the strategy function under the current fault state is achieved by the sub-station, the sub-station is responsible for distributing the control measure quantity of the main station, the distributed control measure command is issued to a lower execution station, and the execution station specifically executes the stable control measure. The execution stations are divided into a direct current execution station, a cutting machine execution station, a load cutting execution station and a new energy execution station according to the control object.
The conventional stability control device is only regarded as a safety automatic device to carry out conventional type tests and environment reliability tests, and system-level tests are not carried out from the level of a device system, so that the stability control function is fully verified by simulating multiple operation scenes. Real-time digital simulation utilizes a heterogeneous parallel computer system, can realize real-time simulation of a large-scale power system, outputs the operation information of the simulation system to a connected tested device in real time through protocol conversion, develops a digital-analog hybrid simulation test, has been widely applied to standardized test of relay protection products, and is only used in engineering verification and factory acceptance links for a stable control system.
The design specification has clear requirements on the maximum access capability of the stability control device, and according to the maximum access of a single main station to 16 sub-stations and the number of 34 execution stations of the same type in the maximum access of the single sub-station, the maximum number of the execution stations of the same type is 1 multiplied by 16 multiplied by 34=544 sets of devices for completing the test, and the fact that the single set of stability control device distinguishes a host (inter-station communication, decision analysis and command issuing) from a slave (information collecting) is considered, so that the test can be carried out by adopting an actual physical device. Patent (CN 115840436 a) discloses a simplified simulation method based on the channel self-loop test function for verifying the maximum communication access capability of the stability control system. However, the channel self-loop test function proposed by the patent does not belong to the design standard specification, does not have popularization and application conditions, and if the special design of a device of a certain manufacturer is adopted to verify the maximum access capability of devices of other manufacturers, the test result can lack the fairness and convincing of a third party. At present, methods for testing interoperability and maximum access capability of stable control devices of different device manufacturers to verify the standardization level of the devices are not proposed.
Disclosure of Invention
The invention aims to: the invention aims to provide a standardized simulation test system and a standardized simulation test method capable of fully verifying the standardization degree and reliability of a stability control device.
The technical scheme is as follows: the standardized simulation test system of the power grid safety and stability control system of the invention,
The system comprises a power transmission end power grid stability control system and a power receiving end power grid stability control system, wherein the power transmission end power grid stability control system and the power transmission end power grid stability control system are of a double-layer architecture or a multi-layer architecture; the double-layer framework comprises a main station stabilizing device and all types of execution station stabilizing devices, and the multi-layer framework comprises a main station stabilizing device, a sub-station stabilizing device and all types of execution station stabilizing devices;
in the power grid stabilizing and controlling system of the transmitting end and the power grid stabilizing and controlling system of the receiving end, a plurality of executing station stabilizing and controlling devices of the same type are replaced by one executing station stabilizing and controlling device of the same type;
and performing closed-loop simulation test on the power grid stability control system at the transmitting end and the power grid stability control system at the receiving end by simulating different operation scenes and abnormal state event combinations of the power grid.
Further, when testing the information sending capability of the substation cascade in the multi-layer architecture, the tested substation stabilizing and controlling device is connected to the cascade substation stabilizing and controlling device, the direct current executing station stabilizing and controlling device and the first stabilizing and controlling communication testing device; the first stable control communication testing device is used for simulating the upward information and comprises the upward information of a new energy executing station stable control device and/or a switching machine executing station stable control device and/or a switching load executing station stable control device; the cascade substation stability control device is connected with a second stability control communication test device, and the second stability control communication test device is used for simulating information sent on a second layer of cascade substation; the tested substation stability control device is connected with the master station stability control device, the master station stability control device issues an instruction, receives the uploading information of the tested substation stability control device, and tests the uploading information capability of the tested substation stability control device by judging whether the uploading information of the tested substation stability control device received by the master station stability control device is consistent with the uploading information simulated by the first stability control communication test device.
Further, when the maximum access capability of the master station is tested, the tested master station stability control device is accessed into a third stability control communication test device, wherein in a multi-layer architecture, the third stability control communication test device is used for simulating the sub-station stability control device to send information, and in a double-layer architecture, the third stability control communication test device is used for simulating the execution station stability control device to send information;
The main station stability control device issues instructions to the sub-station stability control device or the executive station stability control device, and the maximum access capacity of the tested main station when accessing the largest number of sub-station stability control devices or the executive station stability control devices is tested by checking whether the third stability control communication test device receives the command message.
Further, when testing the maximum access capability of the substation, the tested substation stabilizing device is connected with the master station stabilizing device, and the tested substation stabilizing device is connected with a fourth stabilizing communication testing device which is used for simulating and executing the information uploading of the substation stabilizing device; the main station stability control device transmits a command to the tested sub-station stability control device and forwards the command to the third stability control communication test device, and the maximum access capacity of the tested sub-station when the tested sub-station accesses the maximum number of the executing station stability control devices is tested by checking whether the third stability control communication test device receives the command message.
Further, when interoperation test is performed on the stability control systems of the first manufacturer and the second manufacturer, the stability control systems of the first manufacturer and the second manufacturer are both in a multi-layer architecture; the method comprises the steps that a first interoperation test system is formed by a main station stabilizing device of a first manufacturer, a sub-station stabilizing device of a second manufacturer and an execution station stabilizing device of the first manufacturer, and a second interoperation test system is formed by the main station stabilizing device of the second manufacturer, the sub-station stabilizing device of the first manufacturer and the execution station stabilizing device of the second manufacturer; and performing stability control function test on the stability control system of the first manufacturer, the stability control system of the second manufacturer, the first interoperation test system and the second interoperation test system, and performing interoperation test on the stability control systems of the first manufacturer and the second manufacturer by verifying whether test results are consistent.
Further, when interoperation test is performed on the stability control systems of the first manufacturer and the second manufacturer, the stability control systems of the first manufacturer and the second manufacturer are both in a double-layer architecture; a third interoperation test system is formed by the main station stabilizing device of the first manufacturer and the executive station stabilizing device of the second manufacturer, and a fourth interoperation test system is formed by the main station stabilizing device of the second manufacturer and the executive station stabilizing device of the first manufacturer; and performing stability control function test on the stability control system of the first manufacturer, the stability control system of the second manufacturer, the third interoperation test system and the fourth interoperation test system, and performing interoperation test on the stability control systems of the first manufacturer and the second manufacturer by verifying whether test results are consistent.
The standardized digital-analog hybrid simulation test system of the power grid safety and stability control system comprises a tested stability control system and a primary power grid model system, wherein a software simulation test model of the stability control system is built according to the standardized simulation test of the power grid safety and stability control system; the primary power grid model system is connected with the RTDS simulation system through the Ethernet, simulated operation condition data are sent to the stability control system, the stability control system identifies operation faults according to the operation condition data, control measures and control quantity are determined, and control instructions are generated and transmitted to the RTDS simulation system to achieve closed-loop experimental verification.
The standardized simulation test method for the power grid safety and stability control system comprises the following steps:
Establishing a transmitting end power grid stability control system and a receiving end power grid stability control system, and performing closed-loop simulation test on the transmitting end power grid stability control system and the receiving end power grid stability control system by simulating different operation scenes and abnormal state event combinations of the power grid;
The power transmission end power grid stability control system and the power transmission end power grid stability control system are of a double-layer architecture or a multi-layer architecture; the double-layer framework comprises a main station stabilizing device and all types of execution station stabilizing devices, and the multi-layer framework comprises a main station stabilizing device, a sub-station stabilizing device and all types of execution station stabilizing devices;
In the transmitting end power grid stability control system and the receiving end power grid stability control system, a plurality of execution station stability control devices of the same type are replaced by one execution station stability control device of the type.
The electronic equipment comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the standardized simulation test method of the power grid safety and stability control system is realized when the computer program is loaded to the processor.
The computer readable storage medium of the invention stores a computer program which when executed by a processor realizes a standardized simulation test method according to the power grid safety and stability control system.
The beneficial effects are that: compared with the prior art, the invention has the advantages that: (1) The simulation test system provided by the invention can adapt to a multi-layer/double-layer two-stability control system structure, is compatible with two application scenes of a power grid at a transmitting end and a receiving end, has broad, typical and compact characteristics, and is compatible with the sufficiency and high-efficiency requirements of a test; the simulation system is utilized to flexibly modify model parameters and set different operation scenes of different types of fault simulation power grids, so that the stability control strategy function can be fully verified; (2) In the simulation test system, the test sample of the stability control system comprises seven types of standardized stability control devices, namely a multi-layer master station, a double-layer master station, a substation, a switching machine execution station, a new energy execution station, a direct current execution station and a switching load execution station, and the test sample strictly executes related standard specification requirements, meets the standardized test requirements and has representativeness and rationality; (3) Aiming at the maximum access capability and the interoperability capability of the device, the project of huge number of the two test cases does not have test projects of an effective and reliable test method at present, and the invention designs by the test method meeting the standardized design requirement and builds the optimized design of a test system, thereby greatly reducing the number of test samples and the test time.
Drawings
FIG. 1 is a diagram of a power system for engineering verification of a conventional stability control system;
FIG. 2 is a diagram of a standardized simulation test system in accordance with an embodiment of the present invention;
FIG. 3 is a diagram of a standardized digital-analog hybrid simulation test system in accordance with an embodiment of the present invention;
fig. 4 is a schematic diagram of an experimental environment of a maximum access capability test according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an experimental environment for testing the interoperability of a multi-tier architecture system according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an experimental environment for testing the interoperability of a dual-layer architecture system according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a transmitting network of a yanhuai direct current transmission system, and is a prototype system of a standardized simulation test scheme in the embodiment. As shown in fig. 2, the standardized simulation test system of the present invention includes the following improvements: (1) The prototype system only relates to a power transmission end grid of the direct-current power transmission system, and the invention gives consideration to the power transmission end grid and the power receiving end grid, so as to ensure that the stability control system passing the test can be compatible with two application scenes of the power transmission end grid and the power receiving end grid; (2) The number of the same type of stable control devices is reduced, the prototype system comprises a plurality of stable control devices of a cutting machine execution station installed in a power plant, and the aim of engineering verification is biased, the same type of stable control devices are simplified into 1 plant station, meanwhile, a cutting load execution station and a new energy execution station are added, and the same type of stable control devices are installed in a 3# transformer and a 4# transformer respectively, so that the scale of the system is reduced, the number of test samples is reduced, and the test system is ensured to cover all types of stable control devices; (3) In the embodiment, the transmitting end power grid stability control system is a multi-layer framework of a main station-substation-execution station, the substation can be connected with a plurality of cascading substations, and the receiving end power grid stability control system is a double-layer framework of the main station-execution station, so that one test system can cover two frameworks (multi-layer/double-layer framework) and two power grids (transmitting end/receiving end power grid), and meanwhile, the power grid frame covers two power transmission modes of alternating current and direct current, and comprises main current voltage levels of 500 kV-220 kV-110 kV and the like, the test system building process is greatly simplified, and the test period is shortened; in the practical test, the power transmission network and the power receiving network can both adopt double-layer or multi-layer architecture; (4) The test sample of the stability control system comprises all standardized stability control devices of a multi-layer master station, a double-layer master station, substations (conventional sampling digital tripping, conventional sampling and tripping type 2), a switching machine execution station, a new energy execution station, a direct current execution station, a switching load execution station (conventional sampling and tripping, digital sampling digital tripping, conventional sampling digital tripping type 3) and the like.
According to the design of the output primary power grid model system, a standardized digital-analog hybrid simulation test system is built by combining an existing hardware-in-the-loop simulation method, and the standardized digital-analog hybrid simulation test system is shown in figure 3. The control console upper computer establishes a primary power grid simulation model, is connected with an RTDS simulation system through an Ethernet, simulates various operation conditions of the primary power grid, converts operation data (comprising electric quantity and switching value) into a board card (GTAO and GTDO) through a communication protocol, transmits the operation data to a tested device (a stability control system) through an electric safety isolation device (switching value conversion device) and a power amplifier (converts a small simulation signal into a large signal matched with a tested device acquisition unit), and meanwhile receives the operation data transmitted by the acquisition unit by a tested stability control device decision unit, identifies the operation conditions and faults, searches a control strategy table, determines control measures and control values, and transmits a control command communication protocol conversion board card (GTDI card) to the simulation system to realize closed-loop experiment verification.
The simulation test system simulates and outputs the running information and fault state information of the direct current system to the tested direct current execution station stability control device in a general communication protocol format, the direct current execution station judges that the direct current transmission system fails according to the output information of the simulation system and sends the direct current transmission system to the stability control main station through the superior substation device, the main station searches a strategy table, determines control measures and control quantity (a power supply end power grid is a cutting machine and a power receiving end power grid is a cutting load), sends a control command to a corresponding execution station through the substation, and the execution station sends a control signal to the simulation test system to simulate the cutting machine/cutting load process, so that the closed loop simulation test is realized.
Similarly, the simulation system simulates the fault (or fault-free) tripping of the circuit/transformer, so that the problem of stable frequency or thermal stability of the power grid is caused, the substation stability control device judges the tripping or overload of the power grid element by collecting the corresponding circuit and transformer operation information, the judging information is sent to the master station, the master station searches the strategy table, the control measure and the control quantity are determined, the control command is sent to the corresponding execution station through the substation, the execution station sends a control signal to the simulation test system, and processes of cutting off the cutting machine/cutting load/direct current power modulation and the like are simulated, so that the closed loop simulation test is realized.
In the double-layer architecture, the power grid operation information acquisition and fault state discrimination are completed by the master station stability control device, and the master station directly issues control commands to relevant execution stations after finishing decisions. The simulation system simulates abnormal phenomena such as power inversion, power grid frequency deviation, power grid dynamic stability/static stability damage, oscillation and the like, and tests whether the stability control system can act correctly or not and whether error prevention measures are effective or not.
When the maximum access capability test of the stable control device is carried out, the main station stable control device is connected with 16 lower-level stations at most, 16 execution station stable control devices are connected at most in a double-layer framework, and 16 sub-station stable control devices are connected at most in the multi-layer framework; for the substation stability control device, the maximum scale of substation access comprises 1 direct current execution station, 1 cascading substation, 34 load shedding execution stations, 34 new energy execution stations and 16 switching execution stations according to the requirements of a standardized design specification. In order to test the maximum communication processing capacity of the substation, the required execution station devices are more, and it is difficult to build a test environment with an actual device. In the test of communication processing capability of the substation, mainly for testing whether the processing capability and logic judgment of the substation on communication data are correct when a large number of execution stations are accessed, the function of the execution station is not required to be tested, so that the function of simulating the information sending on the execution station device by adopting the stable control communication test device can be considered, and the requirement on the number of actual devices is reduced. And the stable control communication testing device sends the execution station data to the substation according to the communication protocol specified by the design specification, and receives the control command issued by the substation.
The stable control communication test device is a universal message simulation device which is tested to be qualified by a third party detection mechanism, strictly conforms to the communication protocols of different factory station stable control devices required by an execution design standard, can correctly issue/receive messages of opposite side stable control devices, can simultaneously support and simulate the issue function/receiving function of the messages of 8 stable control devices at most, does not need to modify or specially design the function of the tested stable control device when the maximum access capability test is carried out, is suitable for the third party detection, and has popularization conditions.
Fig. 4 is a schematic diagram of an experimental environment for performing the maximum access capability test.
(1.1) As shown in fig. 4 (a), when testing of the information sending capability test on the cascade of the substations is performed, the tested substation stabilizing device is connected to the 1 cascade substation stabilizing device and the 1 direct current execution substation stabilizing device, and meanwhile, 34 execution substation uploading element information (simulating new energy or load shedding execution stations or cutting machine execution stations) simulated by the stabilizing communication testing device and 30 element information (accessed by the cascade substation) simulated by the stabilizing communication testing device are connected to the substation stabilizing device, and the master station can receive and check the element and simulation execution station information sent by the substation and the cascade substation.
In the test process, the analyzed communication message is checked on the master station stability control device, and whether the power grid element information, the generator set (or a load line and a new energy collection line) cut-off information and the direct current system operation information which are collected by the master station and transmitted by the cascading substation stability control device are consistent with the information collected by the lower-level substation self-station or simulated by the stability control communication test device or not is checked, if so, the substation cascading information transmitting capability required by the stability control system meeting the design specification is determined.
(1.2) As shown in fig. 4 (b), when the test of the maximum access capability test of the master station is carried out, the stable control communication test device simulates 16 substations to send element information (12 lines and 4 main transformers are sent to each substation) and the tangential quantity information of the simulation unit to the master station stable control device, and the master station can accurately analyze the information sent to the simulation substation; the master station sends a complete switching unit command to the substation according to the test fixed value, checks whether the simulated substation receives the command message, checks the communication message which is collected by the master station and simulated and sent by the third stable control communication testing device, and the analyzed running information and the cut-off information of each power grid are completely consistent with the sent information of all the communication testing devices. The test system diagram for testing the maximum access capability test of the master station of the double-layer architecture stability control system is executed by referring to the test system diagram of the substation of the multi-layer architecture.
(1.3) As shown in fig. 4 (c), when testing of the maximum access capability test of the substation is performed, the stability control communication testing device simulates 36 pieces of element information (simulated load shedding execution station) sent by the execution station, and the substation stability control device can accurately analyze the information sent by the simulation execution station and forward to the master station; and the master station sends a full-cut round load command to the substation according to the test fixed value, and checks whether the simulation execution station receives the master station command message forwarded by the substation.
Checking the stability control communication test device which is collected by the master station and forwarded by the substation to simulate the sending of the communication message, wherein the analyzed cut-off information is completely consistent with the acquisition information of the 34 execution station stability control devices simulated by the communication test device; the main station stability control device issues a control instruction to the sub-station, and tests whether the maximum communication access capability of the sub-station under the condition of accessing 34 execution stations meets the design requirement by checking whether the stability control communication test device receives the command message.
As shown in fig. 5 and fig. 6, an experimental environment for performing the interoperability test is shown, and the interoperability test is performed by the stability control systems of three manufacturers (manufacturer a, manufacturer B, manufacturer C). Based on the exchange of the sub-stations of the multi-layer framework stability control system and the exchange channel of the main stations of the double-layer framework stability control system, the two ends of any communication channel are ensured to be stability control devices of different manufacturers, and the interoperability test of all types of stability control devices of multiple manufacturers is carried out.
(2.1) As shown in fig. 5, in the multi-layer architecture system, the factory a and the factory B sub-stations are exchanged, that is, the factory a sub-station, the factory B main station and the various execution stations form 1 set of stability control system, the factory B sub-station, the factory a main station and the various execution stations form another set of stability control system, and the two sets of systems operate in parallel.
The experimental environment for carrying out the interoperation test of the multilayer stable control systems of the manufacturer C and the manufacturer A/B is the same as that described above, namely, a group C substation is connected with a group A (or B) main station and various execution stations to form 1 group of systems, a group C main station, various execution stations and a group A (or B) substation form another group of stable control systems, and the two groups of systems operate in parallel.
(2.2) As shown in FIG. 6, in the double-layer architecture system, the master station of the manufacturer A and the execution stations of the manufacturer B are interconnected to form 1 set of stability control system, the master station of the manufacturer B and the execution stations of the manufacturer A are interconnected to form another set of stability control system, and the two sets of systems operate in parallel.
The experimental environment for carrying out the interoperation test of the double-layer stability control systems of the manufacturer C and the manufacturer A/B is the same as that described above, the C set of main stations and the A (or B) set of various execution stations are interconnected to form 1 set of stability control system, the C set of various execution stations and the A (or B) set of main stations form another set of stability control system, and the two sets of systems operate in parallel.
And (3) respectively constructing and completing two sets of stability control systems which are operated in parallel by referring to the above (1.1) - (1.2), carrying out relevant stability control function test, and comparing the test results with the stability control systems constructed by all the stability control devices provided by the same manufacturer, wherein if the action results are consistent, the manufacturer A, B, C stability control devices participating in the test are considered to meet the requirement of the interoperability test.
The standardized simulation test method for the power grid safety and stability control system comprises the following steps:
Establishing a transmitting end power grid stability control system and a receiving end power grid stability control system, and performing stability control function test; the power grid stability control system of the transmitting end is of a double-layer structure, the power grid stability control system of the receiving end is of a multi-layer structure, or the power grid stability control system of the transmitting end is of a multi-layer structure, and the power grid stability control system of the receiving end is of a double-layer structure;
The double-layer framework comprises a main station stabilizing device and an execution station stabilizing device, and the multi-layer framework comprises a main station stabilizing device, a sub-station stabilizing device and an execution station stabilizing device;
in the power grid stability control system of the transmitting end and the power grid stability control system of the receiving end, a plurality of execution station stability control devices of the same type are simplified into one execution station stability control device;
and a load shedding executing station and a new energy executing station are respectively arranged at any two substations of the multi-layer architecture.
The electronic equipment comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the standardized simulation test method of the power grid safety and stability control system is realized when the computer program is loaded to the processor.
The computer readable storage medium of the invention stores a computer program which when executed by a processor realizes a standardized simulation test method according to the power grid safety and stability control system.
The computer-readable storage media may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, flash memory, or any other medium that can be used to store desired program code in the form of instructions or data structures and that can be accessed by a computer.
The processor is configured to execute the computer program stored in the memory to implement the steps in the method according to the above-mentioned embodiments.
Claims (10)
1. The standardized simulation test system for the power grid safety and stability control system is characterized by comprising a power grid stability control system at a transmitting end and a power grid stability control system at a receiving end, wherein the power grid stability control system at the transmitting end and the power grid stability control system at the transmitting end are of a double-layer framework or a multi-layer framework; the double-layer framework comprises a main station stabilizing device and all types of execution station stabilizing devices, and the multi-layer framework comprises a main station stabilizing device, a sub-station stabilizing device and all types of execution station stabilizing devices;
in the power grid stabilizing and controlling system of the transmitting end and the power grid stabilizing and controlling system of the receiving end, a plurality of executing station stabilizing and controlling devices of the same type are replaced by one executing station stabilizing and controlling device of the same type;
and performing closed-loop simulation test on the power grid stability control system at the transmitting end and the power grid stability control system at the receiving end by simulating different operation scenes and abnormal state event combinations of the power grid.
2. The standardized simulation test system of the power grid safety and stability control system according to claim 1, wherein when testing the information sending capability of the substation cascade in the multi-layer architecture, the tested substation stability control device is connected to the cascade substation stability control device, the direct current execution station stability control device and the first stability control communication test device; the first stable control communication testing device is used for simulating the upward information and comprises the upward information of a new energy executing station stable control device and/or a switching machine executing station stable control device and/or a switching load executing station stable control device;
the cascade substation stability control device is connected with a second stability control communication test device, and the second stability control communication test device is used for simulating information sent on a second layer of cascade substation;
The tested substation stability control device is connected with the master station stability control device, the master station stability control device issues an instruction, receives the uploading information of the tested substation stability control device, and tests the uploading information capability of the tested substation stability control device by judging whether the uploading information of the tested substation stability control device received by the master station stability control device is consistent with the uploading information simulated by the first stability control communication test device.
3. The standardized simulation test system of the power grid safety and stability control system according to claim 1, wherein when the maximum access capability of a main station is tested, the tested main station stability control device is accessed into a third stability control communication test device, the third stability control communication test device is used for simulating the sub-station stability control device to send information, and the third stability control communication test device is used for simulating the execution station stability control device to send information in a double-layer architecture;
The main station stability control device issues instructions to the sub-station stability control device or the executive station stability control device, and the maximum access capacity of the tested main station when accessing the largest number of sub-station stability control devices or the executive station stability control devices is tested by checking whether the third stability control communication test device receives the command message.
4. The standardized simulation test system of the power grid safety and stability control system according to claim 1, wherein when testing the maximum access capacity of the substation, the tested substation stability control device is connected with the master station stability control device, and the tested substation stability control device is connected with a fourth stability control communication test device, and the fourth stability control communication test device is used for simulating the information uploading of the execution substation stability control device;
The main station stability control device transmits a command to the tested sub-station stability control device and forwards the command to the third stability control communication test device, and the maximum access capacity of the tested sub-station when the tested sub-station accesses the maximum number of the executing station stability control devices is tested by checking whether the third stability control communication test device receives the command message.
5. The standardized simulation test system of the power grid safety and stability control system of claim 1, wherein when interoperation test is performed on the stability control systems of a first manufacturer and a second manufacturer, the stability control systems of the first manufacturer and the second manufacturer are both in a multi-layer architecture; the method comprises the steps that a first interoperation test system is formed by a main station stabilizing device of a first manufacturer, a sub-station stabilizing device of a second manufacturer and an execution station stabilizing device of the first manufacturer, and a second interoperation test system is formed by the main station stabilizing device of the second manufacturer, the sub-station stabilizing device of the first manufacturer and the execution station stabilizing device of the second manufacturer;
And performing stability control function test on the stability control system of the first manufacturer, the stability control system of the second manufacturer, the first interoperation test system and the second interoperation test system, and performing interoperation test on the stability control systems of the first manufacturer and the second manufacturer by verifying whether test results are consistent.
6. The standardized simulation test system of the power grid safety and stability control system of claim 1, wherein when interoperation test is performed on the stability control systems of a first manufacturer and a second manufacturer, the stability control systems of the first manufacturer and the second manufacturer are both in a double-layer architecture; a third interoperation test system is formed by the main station stabilizing device of the first manufacturer and the executive station stabilizing device of the second manufacturer, and a fourth interoperation test system is formed by the main station stabilizing device of the second manufacturer and the executive station stabilizing device of the first manufacturer;
And performing stability control function test on the stability control system of the first manufacturer, the stability control system of the second manufacturer, the third interoperation test system and the fourth interoperation test system, and performing interoperation test on the stability control systems of the first manufacturer and the second manufacturer by verifying whether test results are consistent.
7. The standardized digital-analog hybrid simulation test system of the power grid safety and stability control system is characterized by comprising a tested stability control system and a primary power grid model system, wherein a software simulation test model of the stability control system is built according to the standardized simulation test of the power grid safety and stability control system of any one of claims 1 to 6;
the primary power grid model system is connected with the RTDS simulation system through the Ethernet, simulated operation condition data are sent to the stability control system, the stability control system identifies operation faults according to the operation condition data, control measures and control quantity are determined, and control instructions are generated and transmitted to the RTDS simulation system to achieve closed-loop experimental verification.
8. The standardized simulation test method for the power grid safety and stability control system is characterized by comprising the following steps of:
Establishing a transmitting end power grid stability control system and a receiving end power grid stability control system, and performing closed-loop simulation test on the transmitting end power grid stability control system and the receiving end power grid stability control system by simulating different operation scenes and abnormal state event combinations of the power grid;
The power transmission end power grid stability control system and the power transmission end power grid stability control system are of a double-layer architecture or a multi-layer architecture; the double-layer framework comprises a main station stabilizing device and all types of execution station stabilizing devices, and the multi-layer framework comprises a main station stabilizing device, a sub-station stabilizing device and all types of execution station stabilizing devices;
In the transmitting end power grid stability control system and the receiving end power grid stability control system, a plurality of execution station stability control devices of the same type are replaced by one execution station stability control device of the type.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the computer program when loaded into the processor implements the standardized simulation test method of the grid safety and stability control system according to claim 8.
10. A computer readable storage medium storing a computer program, characterized in that the computer program, when executed by a processor, implements the grid safety and stability control system standardized simulation test method according to claim 8.
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