Design of a Integrated Converter Topology Fed IM Drive Using Closed Loop Controller Application for EV/HEV
Abstract
Hybrid electric vehicles (HEVs) powered by
electric machines and an internal combustion engine (ICE)
are a promising mean of reducing emissions and fuel
consumption without compromising vehicle functionality
and driving performances. The HEV includes mechanical,
electrical, control, and electrochemical systems among
others. In the mechanical system, a traction motor and a
compressor motor are used to drive the HEV. The traction
motor and the compressor motor are usually operated as
three-phase and single-phase motors, respectively. In this
respect, a dual AC-drive system can operate the traction and
the compressor motor simultaneously. Furthermore,
compared to a conventional dual matrix converter system,
the proposed topology can reduce the number of switches
that the dual outputs share with a DC-link. The application
of this system for HEV has advantages, like long lifetime and
reduced volume due to the lack of a DC-link. The proposed
control technique is to use interleaved control to significantly
reduce the current ripple and thereby reducing the losses
and thermal stress under heavy-load condition. In order to
evaluate performance of the control algorithm, HEV
simulator is developed using MATLAB/ Simulink. Finally
converter model fed induction motor and check the speed
torque characteristic of Induction Motor is presented.
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