CN107255940B - Remote real-time simulation system of safety and stability control device - Google Patents
Remote real-time simulation system of safety and stability control device Download PDFInfo
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Abstract
The invention relates to a remote real-time simulation system of a safety and stability control device, which comprises a real-time simulation device, a signal conversion device and a safety and stability control device, wherein the real-time simulation device is connected with the signal conversion device, the signal conversion device is connected with the safety and stability control device, the real-time simulation device receives a direct current blocking fault instruction, carries out real-time simulation, sends an obtained analog quantity signal to the signal conversion device, and converts the analog quantity signal into a first signal and sends the first signal to the safety and stability control device; the safety and stability control device receives the first signal and sends a load cutting command to the signal conversion device according to a preset strategy table, the signal conversion device converts the load cutting command into a second signal and sends the second signal to the real-time simulation device, the real-time simulation device executes the load cutting action according to the second signal and sends the current system state to the safety and stability control device, and when the current system state is the system stable state, the safety and stability control device executes the load cutting command.
Description
Technical Field
The invention relates to the technical field of power system protection and control, in particular to a remote real-time simulation system of a safety and stability control device.
Background
With the construction of a large extra-high voltage power grid and the use of a large amount of new energy power generation, direct current transmission, power electronic devices and the like, the scale and complexity of a power system are increasing day by day, and more serious challenges are brought to the safe and stable operation of the power system. The safety and stability control system is used as a second defense line for ensuring the safe and stable operation of the power system, is commonly applied to all power grids in China, and becomes an indispensable important component for the daily operation of the power grids.
The large-scale safety and stability control system is wide in distribution area, multiple stations are involved, the types of devices are various, the high complexity of the large-scale safety and stability control system brings huge challenges to test work, and common test methods comprise a relay protection tester, a wave recording playback tester and an RTDS (Real Time Digital Simulator).
The RTDS simulation test has a series of advantages of being capable of simulating a complex fault time sequence, performing a real-time closed-loop test and testing the dynamic performance of the whole system, and the like, but because a test object is generally a specific safety and stability control device in a laboratory, hidden faults possibly existing in a field safety and stability control system, such as device, strategy, fixed value, communication, secondary circuit and other key link faults, cannot be exposed, namely, due to inherent differences existing in a simulation scene, the correctness of a laboratory test result cannot completely guarantee the correct action of the field safety and stability control system. Therefore, the traditional safety and stability control system cannot carry out system test on the safety and stability control system running on site, and hidden danger is brought to the reliable running of the safety and stability control system.
Disclosure of Invention
Therefore, it is necessary to provide a high-reliability remote real-time simulation system for a safety and stability control device, aiming at the problem that the traditional safety and stability control system cannot perform system test on field operation and the reliability of the safety and stability control system is not high.
A remote real-time simulation system of a safety and stability control device comprises a real-time simulation device, a signal conversion device and a safety and stability control device, wherein the real-time simulation device is connected with the signal conversion device;
the real-time simulation device receives the direct-current blocking fault instruction, carries out real-time simulation according to the direct-current blocking fault instruction, sends an analog quantity signal obtained by simulation to the signal conversion device, and the signal conversion device converts the analog quantity signal into a first signal and sends the first signal to the safety and stability control device; the safety and stability control device analyzes the first signal and sends a load cutting command to the signal conversion device according to a preset strategy table, the signal conversion device converts the load cutting command into a second signal and sends the second signal to the real-time simulation device, the real-time simulation device executes the load cutting action according to the second signal and sends the current system state to the safety and stability control device, and when the current system state is the system stable state, the safety and stability control device executes the load cutting command.
The remote real-time simulation system of the safety and stability control device comprises a real-time simulation device, a signal conversion device and a safety and stability control device, wherein the real-time simulation device is connected with the signal conversion device, the signal conversion device is connected with the safety and stability control device, the real-time simulation device receives a direct current blocking fault instruction, carries out real-time simulation according to the direct current blocking fault instruction, sends an analog quantity signal obtained by simulation to the signal conversion device, and converts the analog quantity signal into a first signal and sends the first signal to the safety and stability control device; the safety and stability control device analyzes the first signal and sends a cutter cutting load instruction to the signal conversion device according to a preset strategy table, the signal conversion device converts the cutter cutting load instruction into a second signal and sends the second signal to the real-time simulation device, the real-time simulation device executes the cutter cutting load action according to the second signal and sends the current system state to the safety and stability control device, when the current system state is the system stable state, the safety and stability control device executes the cutter cutting load instruction, the remote real-time simulation system of the safety and stability control device can realize the real-time simulation test of the safety and stability control device distributed in a field wide area, the dynamic characteristic of the action of the safety and stability control device is tested, and the reliability of the remote real-time simulation system of the safety and stability control device is improved.
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FIG. 1 is a schematic structural diagram of a remote real-time simulation system of a safety and stability control device in an embodiment;
fig. 2 is a schematic structural diagram of a remote real-time simulation system of a safety and stability control device in one embodiment.
Detailed Description
In one embodiment, as shown in fig. 1, a remote real-time simulation system for a safety and stability control device includes a real-time simulation device 100, a signal conversion device 200 and a safety and stability control device 300, wherein the real-time simulation device 100 is connected with the signal conversion device 200, and the signal conversion device 200 is connected with the safety and stability control device 300;
the real-time simulation device 100 receives the direct-current blocking fault instruction, performs real-time simulation according to the direct-current blocking fault instruction, sends an analog quantity signal obtained through simulation to the signal conversion device 200, and the signal conversion device 200 converts the analog quantity signal into a first signal and sends the first signal to the safety and stability control device 300; the safety and stability control device 300 analyzes the first signal and sends a load cutting command to the signal conversion device 200 according to a preset policy table, the signal conversion device 200 converts the load cutting command into a second signal and sends the second signal to the real-time simulation device 100, the real-time simulation device 100 executes the load cutting action according to the second signal and sends the current system state to the safety and stability control device 300, and when the current system state is the system stable state, the safety and stability control device 300 executes the load cutting command.
The Real-Time simulation device 100 is a device specially designed for studying electromagnetic transient phenomena in a power system, and is a fully Digital electromagnetic transient simulation device of the power system, RTDS (Real Time Digital Simulator) hardware is based on a Digital signal processor and parallel computation, and the computation speed can achieve the purpose of Real-Time output. The basic components of RTDS are RACK (cabinet), multiple RACKs are connected with workstation interface card through bus, the quantity of RACKs is determined by the scale of simulation system, each RACK includes multiple RPC (risc Processor card) cards or 3PC (triple Processor card) cards, each 3PC card includes 3 SHARC AD21062 digital signal Processor, the speed is faster, the function is stronger. RTDS can maintain continuous operation in real-time conditions, solve the equations of the power system fast enough and produce outputs continuously that are truly representative of the state of the actual network.
The signal conversion device 200 may receive analog signals such as voltage and current output by the real-time simulation device 100 through real-time simulation, convert the analog signals into first signals, and transmit the first signals to the safety and stability control device 300; meanwhile, the system can also receive the exit information of the safety and stability control device 300, such as the information of the load cutting instruction of the cutting machine, and convert the load cutting instruction of the cutting machine into a second signal to be sent to the real-time simulation device 100. The signal conversion device 200 receives the current system state of the real-time simulation device 100 and transmits the current system state to the safety and stability control device 300, and when the current system state of the real-time simulation device 100 is the system stable state, the safety and stability control device 300 executes a load cutting command to test the correctness of the field primary equipment and the transmission mechanism in the safety and stability control device; when the current system state of the real-time simulation device 100 is the system unstable state, the safety and stability control device modifies the preset policy table again, wherein the preset policy table stores the corresponding relationship between the first signal and the generator cutting load instruction, the safety and stability control device uses the modified policy table as the current preset policy table, outputs the modified generator cutting load instruction according to the current preset policy table, uses the modified generator cutting load instruction as the current generator cutting load instruction, and the real-time simulation device executes the current generator cutting load instruction until the current system state is the system stable state. The signal conversion device 200 supports direct communication with the GTNET interface board card, does not need other process layer equipment, and can flexibly configure interactive data to meet the requirements of different test objects.
The safety and stability control device 300 is mainly used for safety and stability control of a regional power grid and a large-area interconnected power grid, is particularly suitable for transient stability control systems of a plurality of stations in a wide area, and can also be used for safety and stability control of a single station. The safety and stability control device adopts a distributed system and a master-slave structure, hardware and software of the safety and stability control device realize a modular structure, the assembly is flexible, the universality is strong, the batch production can be realized, multiple reliability measures are designed for the hardware and the software, and the safety and stability control device has high reliability on the premise of ensuring the selectivity, the mobility and the sensitivity of the safety and stability control device. The structure of each set of device comprises 1 set of host, 0-4 sets of slave machines and communication multiplexing devices configured according to requirements, the host, the slave machine hardware and software realize modularization and standardization, the number of the slave machines and the number and types of communication interfaces of the host machine are configured according to requirements, the device is flexible and convenient to expand, can adapt to flexible and changeable power grid stability control requirements, and the full communication expansion capability enables the device to meet and be suitable for various large-scale complex stability control systems.
The remote real-time simulation system of the safety and stability control device comprises a real-time simulation device 100, a signal conversion device 200 and a safety and stability control device 300, wherein the real-time simulation device 100 is connected with the signal conversion device 200, the signal conversion device 200 is connected with the safety and stability control device 300, the real-time simulation device 100 receives a direct current blocking fault instruction, carries out real-time simulation according to the direct current blocking fault instruction, sends an analog quantity signal obtained by simulation to the signal conversion device 200, and the signal conversion device 200 converts the analog quantity signal into a first signal and sends the first signal to the safety and stability control device 300; the safety and stability control device 300 analyzes the first signal and sends a cutting load command to the signal conversion device 200 according to a preset strategy table, the signal conversion device 200 converts the cutting load command into a second signal and sends the second signal to the real-time simulation device 100, the real-time simulation device 100 executes the cutting load command according to the second signal and sends the current system state to the safety and stability control device 300, when the current system state is the system stable state, the safety and stability control device 300 executes the cutting load command, the remote real-time simulation system of the safety and stability control device can realize the real-time simulation test of the safety and stability control device distributed in a wide area on site, test the dynamic characteristic of the action of the safety and stability control device, and improve the reliability of the remote real-time simulation system of the safety and stability control device.
In one embodiment, the remote real-time simulation system for the safety and stability control device further comprises an interface board, and the real-time simulation device is connected with the signal conversion device through the interface board. Specifically, the real-time simulation device is bidirectionally connected with the high-speed communication interface board GTNET through a 100Mbps (megabits per second) optical fiber, the output end of the real-time simulation device transmits analog quantity signals such as voltage, current and the like and other switching quantity signals to the high-speed communication interface board GTNET, the high-speed communication interface board GTNET transmits the action outlet information of the safety and stability control device, such as a cutter and a load cutter, signals such as a splitting line and the like are transmitted to an input end of the real-time simulation device, the high-speed communication interface board GTNET is in bidirectional connection with the signal conversion device through a 100Mbps Ethernet, analog quantity signals such as voltage, current and the like and other switching quantity signals transmitted by an output end of the real-time simulation device are transmitted to the signal conversion device through the Ethernet by the high-speed communication interface board GTNET, and action outlet information of the safety and stability control device, such as signals such as a cutting machine, a load cutting and the like, is transmitted to the high-speed communication interface board GTNET through the Ethernet. The signal conversion device comprises a receiving module and a sending module, wherein the communication protocol of the receiving module is a GOOSE protocol, and the communication protocol of the sending module is an SV protocol.
In one embodiment, the remote real-time simulation system for the safety and stability control device further comprises a direct-current control protection device, and the real-time simulation device is connected with the signal conversion device through the direct-current control protection device. In another embodiment, the remote real-time simulation system of the safety and stability control device further comprises a hub, and the real-time simulation device is connected with the signal conversion device through the hub. The remote real-time simulation system of the safety and stability control device comprises a first concentrator and a second concentrator, wherein the real-time simulation device outputs an analog quantity signal and sends the analog quantity signal to the signal conversion device through the first concentrator, and the signal conversion device converts a received cutting machine load-cutting instruction into a second signal and sends the second signal to the real-time simulation device through the second concentrator. Further, the direct current control protection device sends an unlocking state, a locking state, a protection locking state and the like to the signal conversion device through the first concentrator; and the signal conversion device sends the networking state, the island state, the direct current power boosting command, the direct current power back-down command, the direct current power limiting command and the like to the direct current control protection device through the second concentrator.
In one embodiment, the remote real-time simulation system for the safety and stability control device further comprises a signal multiplexing device, and the signal conversion device is connected with the safety and stability control device through the signal multiplexing device. In another embodiment, the remote real-time simulation system of the safety and stability control device further includes an optical transmission device, the signal multiplexing device includes a first signal multiplexing device and a second signal multiplexing device, the signal conversion device is connected with the optical transmission device through the first signal multiplexing device, the optical transmission device is connected with the second signal multiplexing device, and the second signal multiplexing device is connected with the safety and stability control device. Specifically, the optical transmission equipment in the remote real-time simulation system of the safety and stability control device comprises first optical transmission equipment and second optical transmission equipment, the signal conversion device is bidirectionally connected with the first signal multiplexing device through a 2Mbps optical fiber, and the first signal multiplexing device is bidirectionally connected with the first optical transmission equipment through a 2Mbps coaxial cable in an E1 protocol; the first optical transmission device converts the electrical signal sent by the first signal multiplexing device into an optical signal, and connects the optical signal into an optical transmission ASON (automatic switched optical Network) Network through a 2.5G optical interface; the second optical transmission equipment is connected with an optical transmission ASON network through a 2.5G optical interface and converts an optical signal into an electric signal; the second optical transmission equipment is bidirectionally connected with the second signal multiplexing device through a 2Mbps coaxial cable by an E1 protocol; the safety and stability control device is in bidirectional connection with the second signal multiplexing device through 2Mbps optical fibers. Further, the communication frame length of the optical transmission ASON network is 12 words, wherein 4 words are the calculated power of the electrical elements, and the calculated power of 12 electrical elements can be transmitted in 3 frames; the communication address of the signal conversion apparatus is fixed to 100.
In an embodiment, the remote real-time simulation system of the safety and stability control device further comprises a monitoring device, the monitoring device is connected with the signal conversion device, specifically, the monitoring device is connected with the signal conversion device through a 100Mbps ethernet to receive information such as action messages and protection information of the signal conversion device, so that the running and test conditions of the test can be monitored in real time, and the test action messages and fault recording can be recorded, thereby realizing panoramic control and whole-course tracking of the system and improving the test level of the remote real-time simulation system of the safety and stability control device.
In one embodiment, the signal conversion device in the remote real-time simulation system of the safety and stability control device is provided with a control module for controlling whether the safety and stability control device uses remote test. Specifically, the signal conversion device is provided with a "test station x remote test input" control module and a "test station x channel delay time" parameter setting module, the "test station x remote test input" control module is used for controlling whether the safety and stability control device uses remote testing, and the "test station x channel delay time" parameter setting module is used for simulating communication delay between the signal conversion device and the safety and stability control device. In another embodiment, the safety and stability control device in the remote real-time simulation system of the safety and stability control device is provided with a remote real-time simulation test interface for acquiring data of the signal conversion device. Specifically, the remote real-time simulation test interface allows data of the signal conversion device to be acquired when the "test station x remote test commissioning" control module of the signal conversion device is commissioned.
In an embodiment, a remote real-time simulation system of a safety and stability control device, as shown in fig. 2, includes a real-time simulation device, a dc control protection device, a high-speed communication interface board GTNET, a switching value concentrator, a remote test signal conversion device, a multi-channel digital signal multiplexing device, an optical transmission ASON network, a safety and stability control device, and a background monitoring device;
the real-time simulation device is bidirectionally connected with a high-speed communication interface board GTNET through a 100Mbps optical fiber, the real-time simulation device sends analog quantity signals such as voltage, current and the like to the high-speed communication interface board GTNET, and the high-speed communication interface board GTNET sends switching quantity signals such as a cutter, a load and a splitting line to the real-time simulation device;
the high-speed communication interface board GTNET is bidirectionally connected with the remote test signal conversion device through 100Mbps Ethernet, the high-speed communication interface board GTNET transmits analog signals such as voltage, current and the like sent by the real-time simulation device to the remote test signal conversion device through the Ethernet, and the remote test signal conversion device transmits switching value signals such as a cutting machine, a load cutting and the like to the high-speed communication interface board GTNET through the Ethernet;
the direct current control protection device sends an unlocking state, a locking state, a protection locking state and the like to the remote test signal conversion device through the first switching value concentrator; the remote test signal conversion device sends a networking state, an island state, a direct current power lifting command, a direct current power back-down command, a direct current power limiting command and the like to the direct current control protection device through the second switching value concentrator;
the remote test signal conversion device is in bidirectional connection with the first multi-channel digital signal multiplexing device through a 2Mbps optical fiber, the first multi-channel digital signal multiplexing device is in bidirectional connection with first optical transmission equipment through a 2Mbps coaxial cable in an E1 protocol, the first optical transmission equipment converts an electric signal sent by the first multi-channel digital signal multiplexing device into an optical signal, the optical signal is connected into an optical transmission ASON network through a 2.5G optical interface, the second optical transmission equipment is connected into the optical transmission ASON network through a 2.5G optical interface and converts the optical signal into the electric signal, and the second optical transmission equipment is in bidirectional connection with the second multi-channel digital signal multiplexing device through the 2Mbps coaxial cable in an E1 protocol; the second multi-channel digital signal multiplexing device is in bidirectional connection with the safety and stability control device through 2Mbps optical fibers;
the background monitoring device is connected with the remote test signal conversion device through a 100Mbps Ethernet and receives information such as action messages and protection information of the remote test signal conversion device; the communication frame length of the optical transmission ASON network is 12 words, wherein 4 words are the calculated power of the electrical elements, and the calculated power of 12 electrical elements can be transmitted in 3 frames; the communication address of the remote test signal conversion apparatus is fixed to 100.
The remote test signal conversion device is respectively provided with a sending module and a receiving module, the communication protocol of the sending module is a GOOSE protocol (IEC-61850GOOSE/GSSE), and the communication protocol of the receiving module is an SV protocol (IEC-61850-9-2). The remote test signal conversion device receives analog quantity signals of voltage, current and the like of a line and then carries out switching, starting and tripping judgment on the line according to system general logic, and the line tripping type comprises the following steps: fault-free tripping, three-phase fault tripping, phase-to-phase fault tripping, single-permanent fault tripping, single-instantaneous + single-permanent fault tripping and single-instantaneous + phase-to-phase fault tripping. Each standard unit of the remote test signal conversion device is provided with 1 host and 8 slaves, the host and the slaves are connected in a bidirectional mode through 10Mbps optical fibers, each slave can collect 6 paths of voltage and current analog quantity signals, 48 input signals and 32 output signals, and the remote test signal conversion device at least has the capacity of collecting 288 paths of voltage and current analog quantity signals, 288 input signals and 256 output signals. The remote test signal conversion device is provided with a 'test station x remote test input' control module and a 'test station x channel delay time' parameter setting module, the 'test station x remote test input' control module is used for controlling whether the safety and stability control device uses remote test, and the 'test station x channel delay time' parameter setting module is used for simulating communication delay between the remote test signal conversion device and the safety and stability control device. The safety and stability control device is provided with a remote real-time simulation test interface, and the remote real-time simulation test interface is allowed to acquire data of the remote test signal conversion device if and only if a test pressure plate of the safety and stability control device and a test station x remote test input control module of the remote test signal conversion device are simultaneously input.
The panoramic remote real-time simulation test system of the safety and stability control device comprises a real-time simulation device, a direct-current control protection device, a high-speed communication interface board card GTNET, a switching value concentrator, a remote test signal conversion device, a multi-path digital signal multiplexing device, an optical transmission ASON network, a safety and stability control device and a background monitoring device, is used for carrying out a real-time simulation test on the safety and stability control device distributed in a field wide area, comprehensively tests the dynamic characteristics of the action of the safety and stability control device, and can improve the debugging automation level and the debugging efficiency of the field device.
In one embodiment, the remote real-time simulation system of the safety and stability control device comprises a real-time simulation device, a direct current protection control device, a high-speed communication interface board card, a switching value concentrator, a signal conversion device and a safety and stability control device, wherein, the real-time simulation device and the direct current protection control device can simulate the high-voltage direct current transmission project of the power grid and simulate the dynamic response of the power grid system after large disturbance, the dynamic feedback of analog quantity and switching value can be strictly carried out according to the control time sequence, the number of the real-time simulation devices and the safety and stability control devices can be multiple, each safety and stability control device and the signal conversion device form a communication network through an optical transmission network, namely, the signal conversion device is equivalent to a new communication node added in the system, and each safety and stability control device performs data interaction with the communication node through a 2Mbps optical fiber channel. The communication address of the signal conversion device can be fixed to be 100, according to a general communication protocol among the safety and stability control devices, data are transmitted among all communication nodes at a rate of 600 frames/s, each frame is 12 words with 16 bits, wherein 4 words are the calculated power of the electric elements, and the calculated power of the 12 electric elements can be transmitted in 3 frames; 4 words are control commands, and command interaction information is transmitted; 2 words transmit the switching value signal according to bits, and the other 2 words are used for communication data verification. By a time division multiplexing method, the calculation power of not less than 12 power system elements, 16 paths of switching values and more than 4 control commands are transmitted within 5ms, and the synchronism and the real-time performance of data transmission are guaranteed. The remote closed-loop test of the field safety and stability control device is finished in a laboratory based on the dynamic simulation output and the control time sequence of the RTDS real-time simulation device, and a background monitoring device of the laboratory can record and monitor action messages and fault recording in the test process in the whole process; setting communication delay time from the starting moment of the fault to the execution of the control strategy as a system so as to meet the requirement of system stability, thereby reliably verifying the validity of the stable control strategy; in addition, the system is independent of field operation equipment, and the function module can be independently switched on and switched off.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A remote real-time simulation system of a safety and stability control device is characterized by comprising a real-time simulation device, a signal conversion device and a safety and stability control device, wherein the real-time simulation device is connected with the signal conversion device;
the real-time simulation device receives a direct-current blocking fault instruction, carries out real-time simulation according to the direct-current blocking fault instruction, sends an analog quantity signal obtained by simulation to the signal conversion device, and the signal conversion device converts the analog quantity signal into a first signal and sends the first signal to the safety and stability control device; the safety and stability control device analyzes the first signal and sends a load cutting command to the signal conversion device according to a preset strategy table, the signal conversion device converts the load cutting command into a second signal and sends the second signal to the real-time simulation device, the real-time simulation device executes the load cutting action according to the second signal and sends the current system state to the safety and stability control device, and when the current system state is the system stable state, the safety and stability control device executes the load cutting command;
and when the current system state of the real-time simulation device is a system unstable state, the safety and stability control device receives the modification of the preset strategy table, takes the modified preset strategy table as the current preset strategy table, and outputs the modified cutting load instruction according to the current preset strategy table until the current system state is the system stable state.
2. The remote real-time simulation system of the safety and stability control device of claim 1, further comprising an interface board, wherein the real-time simulation device is connected to the signal conversion device through the interface board.
3. The remote real-time simulation system of the safety and stability control device of claim 1, further comprising a direct current control protection device, wherein the real-time simulation device is connected with the signal conversion device through the direct current control protection device.
4. The remote real-time simulation system of the safety and stability control device of claim 1, wherein the signal conversion device comprises a receiving module and a transmitting module.
5. The remote real-time simulation system of safety and stability control device according to claim 4, wherein the receiving module is loaded with GOOSE communication protocol and the sending module is loaded with SV communication protocol.
6. The remote real-time simulation system of the safety and stability control device of claim 1, further comprising a signal multiplexing device, wherein the signal conversion device is connected with the safety and stability control device through the signal multiplexing device.
7. The remote real-time simulation system of the safety and stability control device of claim 6, further comprising an optical transmission device, wherein the signal multiplexing device comprises a first signal multiplexing device and a second signal multiplexing device, the signal conversion device is connected to the optical transmission device through the first signal multiplexing device, the optical transmission device is connected to the second signal multiplexing device, and the second signal multiplexing device is connected to the safety and stability control device.
8. The remote real-time simulation system of the safety and stability control device of claim 1, further comprising a monitoring device, wherein the monitoring device is connected with the signal conversion device.
9. The remote real-time simulation system of safety and stability control device of claim 1, further comprising a hub, wherein the real-time simulation device is connected with the signal conversion device through the hub.
10. The remote real-time simulation system of a safety and stability control device according to claim 9, wherein the hub includes a first hub and a second hub, the analog signal outputted by the real-time simulation device is sent to the signal conversion device through the first hub, and the signal conversion device converts the received load cutting command into the second signal and sends the second signal to the real-time simulation device through the second hub.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560867.6A CN107255940B (en) | 2017-07-11 | 2017-07-11 | Remote real-time simulation system of safety and stability control device |
| PCT/CN2018/088565 WO2019011066A1 (en) | 2017-07-11 | 2018-05-27 | Remote real-time simulation system for safety and stability control device |
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| CN201710560867.6A CN107255940B (en) | 2017-07-11 | 2017-07-11 | Remote real-time simulation system of safety and stability control device |
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| WO2019011066A1 (en) * | 2017-07-11 | 2019-01-17 | 南方电网科学研究院有限责任公司 | Remote real-time simulation system for safety and stability control device |
| CN108375915A (en) * | 2018-04-25 | 2018-08-07 | 中国南方电网有限责任公司电网技术研究中心 | Remote test data transmission system and method for stability control simulation test |
| CN109613909B (en) * | 2018-11-23 | 2020-08-04 | 深圳供电局有限公司 | Stability control host testing method and system |
| CN112367200A (en) * | 2020-11-09 | 2021-02-12 | 南方电网科学研究院有限责任公司 | Simulation system and method of stability control device |
| CN113534770B (en) * | 2021-05-31 | 2023-04-14 | 广东电网有限责任公司广州供电局 | Test system for control device of direct current transmission system |
| CN113567783A (en) * | 2021-07-20 | 2021-10-29 | 云南电网有限责任公司 | Real-time simulation system for judging element overload |
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| CN102938587B (en) * | 2012-12-10 | 2014-11-26 | 上海市电力公司 | Intelligent power grid safety and stability early-warning and control method |
| CN103166219B (en) * | 2013-01-30 | 2014-12-31 | 中国电力科学研究院 | Power grid on-line decision-stabilizing control system and control method based on super real-time emulation |
| CN103576562B (en) * | 2013-11-07 | 2016-08-17 | 国家电网公司 | A kind of electric power system stability control strategy in-circuit emulation method of calibration |
| CN106340907B (en) * | 2016-09-30 | 2019-03-19 | 国家电网公司 | A kind of power system security Stable Control Strategy determines method and device |
| CN106527182A (en) * | 2016-12-23 | 2017-03-22 | 华南理工大学 | Power grid stability test system containing multiple types of high-penetration new energy based on RTDS and method thereof |
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