Fault traversing performance analog system of double-fed wind driven generator
A wind power generator and fault ride-through technology, which is applied in the direction of controlling generators, control systems, electrical components, etc., can solve problems such as lack of dynamic performance simulation functions, achieve a good man-machine interface, reduce system costs, and simplify hardware systems Effect
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[0022] Example 1
[0023] Such as figure 1 Shown is the schematic diagram of the fault ride-through performance simulation system of the doubly-fed wind turbine. The experimental simulation system includes the motor system, the simulator main circuit and the DSP control system, and the upper computer monitoring system. The motor system includes one coaxially connected DC motor and one winding asynchronous motor. The main circuit structure of the simulator is an integrated platform composed of inverters, DC speed regulators, Crowbar circuits and voltage drop devices. The voltage sag generator is connected between the transformer and the doubly-fed motor, the frequency converter is connected between the output of the voltage drop and the rotor of the doubly-fed motor, the DC speed regulator is connected between the input of the voltage drop and the DC motor, Crowbar Connected to the rotor side of the doubly-fed motor. The structure of the inverter is as figure 2 , Is the back-to...
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