Novel High Voltage Converter Applied Smooth Control of PMSM

This paper presents a new high efficiency buck boost dc-dc converter with low voltage renewable energy resources. The proposed converter utilizes a low voltage DC supply and boost it to required dc voltage. In this paper PI controller is used with snubber circuit. Therefore there is very les power loss and the efficiency of the system is high in comparison with the conventional buck boost converter. The output is then converted in 3 phase ac voltage and then fed to Permanent Magnet Synchronous Motor (PMSM). The vector control scheme of a PMSM drive has been implemented using the developed simulation model. In the developed model, speed and torque as well as the voltages and currents of voltage source inverters components can be effectively monitored and analyzed. The developed simulation model has been implemented using Matlab and the dynamic response of PMSM drive has been analysed for constant speed, varying torque and variable speed constant torque operation. Also, the simulation results have been presented. Therefore, it can be expected that the developed simulation model can be an easy to design tool for the design and development of PMSM drives for different control algorithms and topological variations with reduced computation time and memory size.