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Paper title: DIRECT S-POWER CONTROL FOR A DOUBLY FED INDUCTION GENERATOR

Author(s): NAMA MEKKAOUI, MOHAMED-SAD NAT-SAD,

Abstract:

This paper deal with an efficient and simple algorithm so-called direct S-power control (DSPC) for a doubly fed induction generator (DFIG) driven through its rotor inverter supplied by the imaginary space vector modulation (ISVM) strategy. The used machine is considered with and without taking account the saturation effect. The DFIG control is done from the calculated rotor voltage related directly to the active and reactive powers injected on the grid network. Both mentioned powers, summarized into apparent power, are treated by the complex formulation simplifying the time of control application. Furthermore, ISVM technique is used without more time computing to generate the mandatory switching pulses within the fixed switching frequency of the supplying rotor inverter. Simulation results obtained from 4 kW DFIG drive system does provide the effectiveness for the injected pure active power into the grid and the robustness against the rotor speed variation.

Keywords: Doubly fed induction generator (DFIG), Direct S-power control (DSPC), Proportional integral (PI) controller, Parameters variation, Imaginary space vector modulation (ISVM), Saturation effect

Year: 2017 | Tome: 62 | Issue: 4 | Pp.: 365-370

Full text : PDF (886 KB)