S.-Z. Dai

A solid-state PWM phase-shifter

Boon-Teck Ooi, F. D. Galiana, S.-Z. Dai, 1993 .

Series-type solid-state static VAR compensator

S.-Z. Dai, Boon Teck Ooi, 1991 .

Solid-state series capacitive reactance compensators

Boon-Teck Ooi, X. Wang, S.-Z. Dai, 1991 .