A General Model of Sequential Disturbance and Its Control Method for Real-time Simulation
A general-purpose model and real-time simulation technology, applied in general control systems, control/regulation systems, simulators, etc., can solve problems such as large number of disturbance scenarios, coupling, and complex logic functions, and avoid complex logic nesting, Versatile and easy to set effects
Active Publication Date: 2022-06-24
NANJING NARI GROUP CORP +3
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Problems solved by technology
When simulating multiple complex disturbance scenarios, there are problems such as complex logic functions, nesting of multiple levels of disturbance scenarios, and poor scalability and flexibility of scenario types.
For complex safety and stability control systems, there are many disturbance scenarios to be verified and there are couplings, and the workload of modeling and debugging successive disturbance scenarios often increases geometrically.
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[0028] The present invention will be further described below in conjunction with the accompanying drawings.
[0029] A real-time simulation-oriented general model of successive disturbances includes a three-layer structure, wherein the three-layer structure includes a start trigger module, a delay trigger module, a channel enabling module, an enabling channel merging module and a disturbance configuration. The first layer structure includes: a start trigger module, the number of delay trigger modules is N-1, the start trigger module is connected in series with N-1 delay trigger modules in sequence, and the delay value of the first delay trigger module is given according to Before and after the two-stage disturbance delay fixed value setting, since the second delay trigger module, each delay trigger module takes the output of the previous delay trigger module as the input. The second layer structure includes: an N-level channel enable module, the disturbance trigger signal of t...
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The invention discloses a real-time simulation-oriented sequential disturbance general model and its control method, which are divided into three-layer structures, the first layer is used to divide multiple disturbance scenes into multi-level sequential triggers, and realize that different disturbance scenes are successively followed by a specific time sequence occurrence; the second layer is used to set which disturbances are triggered at each level, and the disturbance scenes of different levels are controlled independently without interfering with each other; the third layer is used to trigger a specific component to generate a specified type of disturbance at a specified time. The general model of successive disturbances proposed by the present invention has a clear structure and strong expansibility, and can flexibly deal with complex disturbance scenes of various types and occur multiple times in succession, effectively avoiding the problems of poor flexibility and poor versatility of the traditional method of constructing disturbance scenes one by one.
Description
technical field [0001] The invention relates to a real-time simulation-oriented sequential disturbance general model and a control method thereof, belonging to the technical field of power system simulation modeling. Background technique [0002] Modern power grid catastrophe accidents are mostly caused by chain disturbance events. These power outages generally start from the failure of a certain component in the system. Due to improper or untimely control measures, unreasonable grid structure, malfunction or refusal of relay protection devices and other factors, a series of subsequent disturbances or components are triggered. The fault will eventually lead to a large-scale power outage in the power grid under the impact of the cascading disturbance of the power grid. In the real-time simulation environment, the successive disturbance scenarios are constructed and simulated, and the impact of each level of disturbance impact on the safe and stable operation of the large pow...
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IPC IPC(8): G05B17/02
CPCG05B17/02
Inventor 孟鹏飞侯玉强赵巍许剑冰张金锋李威方勇杰刘旋崔晓丹张倩赵彦丽陈珏
Owner NANJING NARI GROUP CORP