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首页> 外文会议>IEEE Energy Conversion Congress and Exposition >A Novel Calculus Based Unipolar Double Reference Single Carrier PWM for Single Phase T-Multilevel Inverter with Under Modulation (<1) for Renewable Energy Applications: Hardware Implementation
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A Novel Calculus Based Unipolar Double Reference Single Carrier PWM for Single Phase T-Multilevel Inverter with Under Modulation (<1) for Renewable Energy Applications: Hardware Implementation

机译：一种新型基于微积分的单极双引用单载波，用于单相T型多级逆变器，可再生能源应用（<1）为：硬件实现

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摘要

In this research treatise, a novel Calculus Based Unipolar Double Reference Single Carrier PWM (CB-UDR-SC PWM) is proposed for single phase T-Multilevel Inverter (T-MLI) for renewable energy applications. The main downsides of conventional two-level inverters are i) dv/dt of output voltage is high, ii) requirement of fast switching devices, iii) requirement of bulky filter, iv) Electromagnetic Interference is high, iv) temperature of switches is increases with high speed, v) not suitable for high power application and vi) high THD. Single switch with four diodes are used to design the auxiliary structure of T-MLI structure. Total 8 diodes (including anti-parallel diode of switch), five switches are used to design T-MLI for five-level. CB-UDR-SC PWM methodology is proposed by utilizing two modulation signals (derived from calculus) and single carrier. The technique is employed to investigate T-MLI circuitry is for the under-modulation index. The general idea of calculus based PWM is explained in detailed. SPARTAN 3E-XCS250E FPGA trainer kit is utilized to obtain PWM for the switches of T-MLI. Experimental and simulation results are provided which validates the concept and always shows a good agreement with theoretical approaches.
机译：在该研究中，提出了一种新型基于微积分的单极双参考单载波PWM（CB-UDR-SC PWM），用于可再生能源应用的单相T-多级逆变器（T-MLI）。传统的两级逆变器的主缺口是i）DV / DT的输出电压为高，ii）的快速开关装置的要求，iii）庞大过滤器的要求，iv）电磁干扰为高，IV）开关温度升高高速V）不适合高功率应用和VI）高THD。具有四个二极管的单个开关用于设计T-MLI结构的辅助结构。总共8个二极管（包括开关的反并联二极管），五个开关用于设计T-MLI以进行五级。通过利用两个调制信号（来自Commulus）和单载波来提出CB-UDR-SC PWM方法。采用该技术来研究T-MLI电路用于欠调制指数。详细说明了基于微积分PWM的一般思路。 Spartan 3E-XCS250E FPGA训练器套件用于获得T-MLI开关的PWM。提供了实验和仿真结果，验证了概念，始终与理论方法展示良好的一致性。

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