Doubly-fed induction generator parameter identification method
A doubly-fed induction and parameter identification technology, applied in electrical digital data processing, electrical components, circuit devices, etc., can solve problems such as large errors and influence of DFIG parameter identification accuracy, and achieve small parameter influence, high identification accuracy, and improved identification. The effect of precision
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[0033] Below in conjunction with accompanying drawing and specific embodiment the technical solution of the present invention is described in further detail:
[0034] Simulation system such as figure 1 As shown, a DFIG-based wind turbine is connected to an infinite system. The simulation system is built on the Matlab 2013b software platform. All components in the system are taken from the wind farm example that comes with Matlab. The doubly-fed wind turbine adopts the phasor model (phasor model), the parameters of the doubly-fed induction generator are shown in Table 1.
[0035] Table 1 DFIG simulation parameters
[0036] parameter name
value
Rated power / MW
1.5
Rated voltage / kV
0.575
Initial slip / pu
0.2
Stator resistance / pu
0.00706
Rotor resistance / pu
0.005
Stator leakage inductance / pu
0.171
Rotor leakage inductance / pu
0.156
Mutual inductance / pu
2.9
[0037] The structure of dou...
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