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When the wind power system is connected to the grid on a large scale, it will face very complicated working conditions. In order to guarantee the healthy grid operation of the new energy system, during the product iteration of "R&D-Production-Testing" in the industry, the R&D and testing engineers have to repeatedly modify the parameters of the controllers and the parameters of the filters in order to carry out the testing of the wind turbines under a series of different working conditions. Based on the semi-physical simulation to support the construction of any topology model and the characteristics of a high degree of accuracy, the use of hardware-in-the-loop for the testing of wind turbines to be connected to the grid has already become a mainstream trend nowadays.
By using the semi-physical simulation platform provided by ModelingTech, which features high accuracy, ease of use, and comprehensive data post-processing capabilities, we are able to conduct experiments that traditional testing methods cannot complete or have low efficiency, such as High/low voltage ride through testing, grid-connected testing, and software functionality verification. Compared to traditional testing methods, the introduction of Hardware-in-the-Loop (HIL) platform of ModelingTech has increased our testing efficiency by approximately 10 times. For experiments that require repeated testing to obtain data, the semi-physical simulation platform provides rapid and abundant test data support.
In the future, we hope to introduce automated testing capabilities of ModelingTech to further improve testing efficiency. Additionally, it is worth mentioning the excellent technical support service provided by ModelingTech. Their after-sales response is particularly timely, and they assist us in resolving various issues encountered during the application of the HIL platform in the field of power electronics.
The MT8020 simulation platform simulates the industrial wind power system device, puts the mechanical part of the wind power system in the CPU simulation, the motor, inverter and power electronic part of the grid and other power electronic part of the FPGA simulation, and then through the physical IO interface with the real controller, so as to complete the closed-loop testing of wind turbine.MT8020 real-time simulator's powerful FPGA ability to help enterprises complete the Wind power system controller function test and technology update iteration.
1us step can run multiple wind turbine converter parallel test, support 1us step simulation motor operation.
Support DFIG, PMSM, six-phase PMSM and other types of motor models, and support an FPGA simulation of two motors, to meet the needs of multi-motor operation in the field of wind power applications.
Support high speed and wide voltage range (-25V, 25V) digital input, adapted to industrial inverter controller interface; support MODBUS TCP, MODBUS RTU, CAN, serial port and other professional power communication protocols, convenient to achieve information interaction with the controller.
Provide professional automation test Python API, convenient for industrial users to develop automation test project; support “HIL Scope” high-speed recording function, can achieve 500k sampling rate for multi-channel waveform observation.
According to the requirements of "Wind Turbine Grid Adaptability Test Regulations", the grid adaptability of wind turbine is tested to ensure that the wind turbine can operate normally, and the test content mainly includes: voltage deviation adaptability, frequency deviation adaptability, three-phase voltage imbalance adaptability, flicker adaptability, harmonic voltage adaptability.
Setting up the WTG busbar to throw a capacitor to simulate different reactive power injections into the WTGs and test whether the WTGs can operate stably.
Setting up the WTG busbar to throw a capacitor to simulate different reactive power injections into the WTGs and test whether the WTGs can operate stably.
According to the test standard of "Wind Turbine Fault Voltage Ride-Through Capability Test Procedure", the response capability of WTGs under instantaneous voltage dips/rises and other working conditions is tested to ensure that the WTGs can still operate stably and safely when the grid voltage fluctuates.
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