Signal Detection in Static VAR Generator

• 1、Harbin Engineering University

Abstract：This paper dealt with the main structure and its signal detection of a static VAR generator with an instantaneous reactive power theory-based current direct control strategy which employs a three-phase voltage source inverter. A specific control method was adopted in order to compensate both the fundamental reactive power and the harmonic. Then an instantaneous reactive power theory-based reactive current detecting method with a name of i_p- i_qwas introduced, and was supported by formulations and circuit diagrams in detail. A DSP chip was applied to generating the SVPWM control signals, which can increase or decrease the outputs of the integrated power module (IPM). All the detecting circuits have come into being and showed a good testing quality. The final simulated results obtained with MATLAB are given to support the conclusion that this project successfully compensated both the fundamental reactive power and the harmonic.

Keywords： reactive power compensation Static VAR Generator instantaneous reactive power theory digital signal process