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Digital-analog hybrid simulation interface test platform based on multiple real-time simulators

A technology of real-time simulation and interface testing, applied in instrumentation, electrical digital data processing, error detection/correction, etc., can solve problems such as difficulty in parameter setting, lack of actual working condition verification of interface algorithms, etc.

Pending Publication Date: 2021-09-07
NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1
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AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of lack of actual working condition verification and difficult parameter setting in the research of interface algorithms, this paper builds a hybrid interface test platform based on dual real-time simulators

Method used

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  • Digital-analog hybrid simulation interface test platform based on multiple real-time simulators
  • Digital-analog hybrid simulation interface test platform based on multiple real-time simulators
  • Digital-analog hybrid simulation interface test platform based on multiple real-time simulators

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Embodiment Construction

[0014] In order to make the purpose and final effect of the present invention clearer, the present invention will be further described below with reference to examples.

[0015] attached figure 2 It is a schematic diagram of a digital-analog hybrid simulation system for direct-drive wind turbines connected to the grid. The digital side is the IEEE33 node standard distribution network; the physical side is the direct-drive wind power generation system. The physical side is connected to the distribution network node 13 through the power interface.

[0016] Step 1: Build a digital side IEEE33 node distribution network model and load it into the FPGA core of simulator 1

[0017] Step 2: Build an equivalent model of the direct-drive wind power generation system grid-connected system according to the actual physical equipment parameters, load it into the FPGA core of the simulator 2, establish an equivalent model of physical side control, and load it into the CPU core of the simul...

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Abstract

The invention belongs to the technical field of digital physical hybrid simulation, and particularly provides a digital-analog hybrid simulation interface test platform based on double real-time simulators. The platform comprises two real-time simulators respectively simulating a digital side and a physical side, the simulators run in parallel, and the actual working condition of the hybrid simulation system is simulated through real physical interface connection. The test platform is closer to the actual working condition of the hybrid simulation system than off-line simulation, the verification of the validity of the simulation interface under different working conditions can be quickly realized through the platform, the parameters can be set on line, and the research and development process is greatly accelerated. The platform solves the problems of lack of actual working condition verification and difficulty in parameter setting in interface algorithm research.

Description

technical field [0001] The invention belongs to the technical field of digital-physical hybrid simulation, in particular to a digital-analog hybrid simulation interface test platform based on multiple real-time simulators Background technique [0002] With the large-scale grid connection of wind power, photovoltaic and other renewable energy equipment, the operation of UHV AC and DC hybrid power transmission projects, and the large-scale application of flexible AC power transmission devices and relay protection devices, the operating characteristics of the power grid and the interaction between various parts The mechanism has undergone major changes. Using digital simulation to simulate the system is difficult to accurately reflect the switching characteristics of power electronic devices, while using real physical equipment to simulate, the simulation scale is limited and the cost is high. Digital-physical hybrid simulation, also known as power hardware-in-the-loop simulat...

Claims

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Application Information

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IPC IPC(8): G06F11/22G06F11/26
CPCG06F11/221G06F11/261
Inventor 尹忠东鄂涛
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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