Modeling and Simulation Method Combining Model Reference Adaptive Control and Reduced-Order Model of DFIG
A technology of adaptive control and model reference, applied in design optimization/simulation, CAD numerical modeling, sustainable architecture, etc., can solve problems such as system complexity increase, dimensional disaster, output instability, etc.
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[0090] Such as Figure 8 As shown, this embodiment discloses a modeling and simulation method combining model reference adaptive control with a reduced-order model of a doubly-fed fan.
[0091] figure 1 It is a schematic diagram of the overall structure of the DFIG model. The DFIG model includes: the shaft model, the DFIG model, and the control module.
[0092] The specific details of the crankshaft model are as follows figure 2 Display, including fan power model, pitch angle control model, fan drive shaft model.
[0093] The fan power model is used to calculate the wind energy absorbed by the wind turbine, according to the formula:
[0094]
[0095] The mechanical power absorbed by the wind turbine can be obtained, where ρ is the air density, R is the radius of the wind rotor, v is the wind speed, and C p is the wind energy utilization coefficient, β is the pitch angle, λ is the blade tip speed ratio, and the wind energy utilization coefficient can be described as:
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