Performance Analysis of a Shunt Compensator Controlled Using Modified Synchronous Reference Theory

Table 1

Comparison of Control schemes.

	Parameters (Kp, Ki)	Overshoot (V)	Undershoot (V)	Settling Time (sec)	THD
Conventional SRF	0.35, 0.1	~3 V	~2 V	<2 cycles	4.9% approx
Modified SRF	0.00028, 0.00034	~4 V	~3 V	<2 cycles	4.5% approx