Abstract
This paper introduces the concept of modular design methodology for hardware design and development of motor drives. The modular design process is first introduced separating the hardware development into three parts: controller, mother board and phase-leg module. The control and circuit function can be decoupled from the phase-leg module development. The hardware update can be simplified with the phase-leg module development and verification. Two design examples are used to demonstrate this method: a DC-fed motor drive with Si IGBTs and an AC-fed motor drive with SiC devices. Design of DC-fed motor drive aims at developing the converter with customized IGBT package for high temperature. Experience with development of the converter with commercial IGBTs simplifies the process. As the AC-fed motor drive is a more complex topology using more advanced devices, the modular design method can simplify and improve the development especially for new packaged devices. Also, the modular design method can help to study the electromagnetic interference (EMI) issue for motor drives, which is presented with an extra design example.
Highlights
This paper introduces the concept of modular design methodology for hardware design and development of motor drives
Modular design method is a reasonable solution for motor drive hardware development
An extra example of modular designed motor drives is presented in this paper, which provides a fair comparison for electromagnetic interference(EMI) for motor drives with different devices
Summary
For the last 30 years, power electronics have been applied in transportation system for both propulsion and actuation motor drives. The failure of each part could be replaced by new parts without impacting other parts For these two issues, modular design method is a reasonable solution for motor drive hardware development. By keeping the interface the same, control and circuit function could be verified by commercial devices based on phase-leg modules first. Based on the structure of Fig., the development of the motor drive is arranged into three main parts: controller, mother board and phase-leg modules. For the motor drive designed with customized high temperature package devices, the first version of the motor drive is built with a commercial device based phase-leg module. In order to demonstrate the principle and benefits of modular converter development, two typical design examples are introduced in this paper. An extra example of modular designed motor drives is presented in this paper, which provides a fair comparison for electromagnetic interference(EMI) for motor drives with different devices
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