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High-efficient three-phase on-line UPS by using T-source inverter with third harmonic injected maximum constant boost PWM control

机译:T型逆变器与三次谐波注入最大恒压升压PWM控制一起使用的高效三相在线UPS

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摘要

This paper presents the analysis of three-phase on-line uninterruptible power supply (UPS) by employing T-source inverter (TSI) with third harmonic injected maximum constant boost PWM control and the results are compared with traditional UPS. Traditional UPS consists of step-up transformer or DC-DC booster along with voltage source inverter which decreases the efficiency and increases energy conversion cost. The proposed three-phase UPS using TSI has high-voltage boost capability through shoot-through zero state which is not present in traditional voltage source inverter (VSI) and current source inverter. This proposed UPS with TSI increases the efficiency with fewer components, reduces the harmonics, increases the voltage gain, and reduces the voltage stress. The performance of three-phase on-line UPS based on TSI is analyzed and evaluated in MATLAB/SIMULINK software and the results are compared with Z-source inverter-fed UPS and VSI-fed UPS. Experimental results are presented for the validation of the simulation and theoretical analysis.
机译:本文介绍了采用带三次谐波注入的最大恒升压PWM控制的T源逆变器(TSI)对三相在线不间断电源(UPS)的分析,并将结果与​​传统UPS进行了比较。传统的UPS由升压变压器或DC-DC升压器以及电压源逆变器组成,这会降低效率并增加能量转换成本。提出的使用TSI的三相UPS具有直通零状态的高压升压能力,这在传统的电压源逆变器(VSI)和电流源逆变器中是不存在的。拟议的带有TSI的UPS使用更少的组件提高了效率,减少了谐波,增加了电压增益,并降低了电压应力。在MATLAB / SIMULINK软件中对基于TSI的三相在线UPS的性能进行了分析和评估,并将结果与​​Z源逆变器馈电UPS和VSI馈电UPS进行了比较。实验结果为仿真和理论分析提供了依据。

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