1. Power Electronics: Circuits, Devices and Applications;Rashid,1993
2. Thyristor Control of AC Circuits;Shephard,1975
3. Power Factor of AC Controllers for Inductive Loads;El.-Bidweihy;IEEE Trans. Ind. Electron. Control Instrum.,1980
4. Reduction of the voltage and current harmonics introduced by a single-phase triac AC controller;Williamson;IEEE Trans. Ind. Electron. Control Instrum.,1981
5. Asymmetrically modulated AC choppers;Williams;IEEE Trans. Ind. Electron.,1982