Volume 19, Issue 10 (ijes 2008)                   IJIEPM 2008, 19(10): 33-41 | Back to browse issues page

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Mohamadian M, Yazdian A, Rajaei A H R. A NEW SPACE VECTOR CURRENT REGULATOR WITH IMPROVED TRANSIENT RESPONSE. IJIEPM. 2008; 19 (10) :33-41
URL: http://ijiepm.iust.ac.ir/article-1-344-en.html
, yazdian@modares.ac.ir
Abstract:   (6175 Views)
Space Vector Current Regulators (SPCR) have low harmonic currents in steady state, but they have slower transient response compared to other control methods such as hysteresis current regulator. In this paper a new method is proposed to improve transient response of SPCR compared to conventional methods. The proposed technique is based on adjustment of zero vector time intervals and modifying the current regulator PI controller output. The proposed method is used in transients. In steady state, the conventional SPCR method is used. The proposed technique can be applied to existing SPCR systems with no change in the hardware and minimum changes in the DSP software. Simulation results indicate that with the proposed method, the magnitude of current error is reduced compared to the conventional SPCR method. The performance of the proposed method is verified experimentally with a laboratory setup using Texas Instruments TMS320F2407A Digital Signal Processor (DSP) and tested on a 1.5 KW induction motor.
     

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