Title |
The Constant Output Power Control of SSRT FB DC-DC Converter by an Improved Phase-shift Control |
Authors |
Dong-Ryul Shin ; Yong-Kil Cho ; Dong-Wan Kim ; Jung-In Woo |
Abstract |
This paper deals with a control strategy for constant output power of SSRT(Soft Switching Resonant Type) FB(Full Bridge) DC-DC converter by an improved phase shift controller. When the FB DC-DC converter for the high density and the high effect control is operated in high speed switching, the switching loss and switching stress of the switching devices are increased. So, the soft switching method, which has the phase shift control with the digital I-PD controller, must be use in order to reduce its. And the output voltage that controlled by the digital I-PD controller tracks a reference without steady state error in variable input voltage. The validity of control strategy that proposed is verified from simulation results and experimental results by the DSP(TMS320C32). |