Title :
Constant voltage control of high voltage high frequency power supply for ozone quantity adjustment
Author :
Hothongkham, Prasopchok ; Kinnares, Vijit
Author_Institution :
Dept. of Electr. Eng., King Mongkut´´s Inst. of Technol. Ladkrabang, Bangkok, Thailand
Abstract :
This paper proposes the high frequency high voltage power supply for an ozone generator using a phase-shift pulse width modulation (PWM) full bridge inverter. The circuit operation is fully described. The high frequency transformer and ozone generator mathematical models are also included for preliminarily calculating of instantaneous voltages and currents. The proposed system simulation using the MATLAB/SIMULINK software package is given. In order to ensure that zero voltage switching (ZVS) mode always operates over a certain range of a frequency variation, a series-compensated resonant inductor is included. The advantage of the proposed system is a capability of varying ozone gas production quantity by varying the frequency and phase shift angle of the converter whilst the applied voltage to the electrodes is kept constant. The correctness of the proposed technique is verified by both simulation and experimental results.
Keywords :
PWM invertors; bridge circuits; oxygen; power supplies to apparatus; zero voltage switching; MATLAB/SIMULINK; constant voltage control; full bridge inverter; high voltage high frequency power supply; ozone generator; ozone quantity adjustment; phase shift pulse width modulation; resonant inductor; zero voltage switching mode; Frequency; Power generation; Power supplies; Pulse generation; Pulse inverters; Pulse transformers; Pulse width modulation inverters; Pulsed power supplies; Voltage control; Zero voltage switching;
Conference_Titel :
Circuits and Systems, 2009. ISCAS 2009. IEEE International Symposium on
Conference_Location :
Taipei
Print_ISBN :
978-1-4244-3827-3
Electronic_ISBN :
978-1-4244-3828-0
DOI :
10.1109/ISCAS.2009.5118178