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The shortage of energy and the deterioration of the environment have become increasingly prominent. A large number of distributed generation access to distribution network, network structure changes. Because of the fast response characteristic of the inverter interfaced distribution generation (IIDG), the instantaneous current protection of distribution network appears to be wrong or refused to move...
An analytical expression of the stator current of DFIG and the flux of stator and rotor is obtained, by analyzing the transient model of DFIG (Doubly-fed Induction Generator). And the analytical expression of the active power of DFIG and the rotor reaction flux is obtained by vector analysis of stator current and rotor flux. Then, this paper infers the analytical expression of the active power output...
The high permeability integration of the distributed wind power accessed to the traditional network, topological structure has changed from radialized to active. The amplitude and phase of the fault current are changed greatly and it is difficult for the traditional three-current protection to adapt this. By analyzed the fault transient characteristics of the doubly-fed induction wind generator (DFIG),...
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