Clean reactive power compensator

New method is proposed to compensate reactive power of fundamental current component. New clean reactive power compensator CRPC is presented. True sinusoidal voltage wave inverter is connected to the supply system through inductance. Connection to supply system by natural shaped voltage source does not produce additional distortion. Control system using space vectors of currents and voltages provide very stable operation also in transient states. Compensator voltage space vector follows supply system voltage vector. By difference in amplitude and phase angle fully controllable active and reactive power flow is achieved. Compensator is able to work without external DC voltage source. Stable DC link capacitor voltage is achieved according to demands by control of active power flow. Externally referenced control system of compensator is proposed. Analyses and multi feedback control system of sinusoidal voltage wave inverter is proposed. Results of simulation study are presented.