Evaluation of modulation strategies for PV fed DCMLIs and its application to dynamic load

2014 International Conference on Power, Control and Embedded Systems (ICPCES) Pub Date : 2014-12-01 DOI:10.1109/ICPCES.2014.7062834

S. Banerjee, D. Joshi, M. Singh, R. Sharma

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引用次数: 2

Abstract

The comparison of control strategies of two different topologies of five level diode clamped multilevel inverter (DCMLI), fed by a photovoltaic (PV) module is presented in this paper. The inverters are supplying various dynamic loads. Different types of single phase induction motors have been used as dynamic loads. The control strategies implemented are Phase disposition (PD), Phase opposition disposition (POD), Alternate phase opposition disposition (APOD) and unsymmetrical sine pulse width modulation for the classical five level diode clamped inverter. This topology is compared to another inverter topology that is free from the problem of voltage collapse and needs lesser number of capacitors and clamping diodes. The simulations have been performed using Simulink package of Matrix Laboratory (MALAB) software. The output voltage and output current Total Harmonic Distortion (THD) is analyzed for each of the control strategies. Relative comparison is undertaken for both topologies. The single phase induction motors are loaded by a variable load.

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光伏供电dcmli调制策略评价及其在动态负荷中的应用

本文对光伏模块供电的五电平二极管箝位多电平逆变器(DCMLI)两种不同拓扑结构的控制策略进行了比较。逆变器提供各种动态负载。不同类型的单相感应电动机已被用作动态负载。实现的控制策略是相位配置(PD)，相位对抗配置(POD)，交替相位对抗配置(APOD)和非对称正弦脉宽调制的经典五电平二极管箝位逆变器。这种拓扑结构与另一种逆变器拓扑结构相比，没有电压崩溃的问题，需要较少数量的电容器和箝位二极管。仿真采用Matrix Laboratory (MALAB)软件的Simulink包进行。分析了每种控制策略的输出电压和输出电流的总谐波失真。对两种拓扑进行了相对比较。单相感应电动机由可变负载加载。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 International Conference on Power, Control and Embedded Systems (ICPCES)

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