Analysis, design and simulation of a resonant DC link inverter for high power, high frequency brushless DC motor

Huai Wei, G. Zhu, I. Bartarseh, J. Vaidya
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引用次数: 2

Abstract

The conventional voltage source inverter for motor drive encountered severe problems such as high EMI, wide range of harmonics, heavy acoustic noise and low efficiency. Resonant DC-link inverter technique becomes dominate in solving the above problems due to its simplicity in both power stage topology and control strategy. In this paper, operation principle of resonant DC-link inverter is analyzed. A design procedure of this type inverter for high power application (200 HP) is presented. PSPICE simulation on the designed resonant DC-link inverter has been conducted to verify its availability for high power application. The improvements in motor drive by using resonant DC-link inverter is shown by comparing the PSPICE simulation results of conventional hard switching inverter.
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大功率高频无刷直流电动机谐振式直流环节逆变器的分析、设计与仿真
传统的电机驱动电压源逆变器存在电磁干扰高、谐波范围大、噪声大、效率低等严重问题。谐振直流链路逆变器技术由于其在功率级拓扑结构和控制策略上的简单性而成为解决上述问题的主流。本文分析了谐振型直流逆变器的工作原理。介绍了大功率(200hp)逆变器的设计过程。对所设计的谐振直流链路逆变器进行了PSPICE仿真,验证了其在大功率应用中的有效性。通过对比传统硬开关逆变器的PSPICE仿真结果,说明了采用谐振直流逆变器对电机驱动的改进。
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