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THD optimization of sequential switching technique based hybrid IPD modulation scheme for CMLI

机译:基于时序切换技术的THD优化基于CMLI的混合IPD调制方案

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Utilization of power semiconductor apparatus to enhance power quality may typically use active-power devices optimally operating with very high switching frequencies. The drive and therefore the management of power semiconductor devices typically believe in best modulation schemes with large sampled frequencies to become advanced management schemes. This qualified feature which allows converters with a high range of levels to scale back total harmonic distortion (THD) of specific voltage & current, and their design allows with high voltage high current operations. Pulse width modulation (PWM) techniques have exact ways and enhanced pattern for many research applications. The main intension of this paper is utilized hybrid In-phase Disposition modulation scheme for the 5-level & 7-Level series connected multilevel inverters are preferred for many industrial applications. This proposed scheme is interaction of fundamental low frequency component as well as high frequency multilevel sinusoidal pulse width modulation scheme. This advanced technique supports the uniformed stress along each switch and minimized switching loss can be achieved by this formulation and evaluation of proposed scheme by using Matlab/Simulink tool.
机译:利用功率半导体装置来提高功率质量通常可以使用以非常高的开关频率最佳地工作的有功功率设备。驱动器以及功率半导体器件的管理通常相信具有大采样频率的最佳调制方案将成为高级管理方案。这种合格的功能允许高电平范围的转换器缩减特定电压和电流的总谐波失真(THD),并且其设计允许在高电压大电流下运行。脉冲宽度调制(PWM)技术在许多研究应用中具有精确的方法和增强的模式。本文的主要目的是为5级和7级串联连接的多电平逆变器采用混合同相配置调制方案,是许多工业应用的首选。该方案是基本低频分量以及高频多电平正弦脉冲宽度调制方案的相互作用。这种先进的技术支持沿每个开关的应力均匀化,并且可以通过使用Matlab / Simulink工具对该公式进行设计和评估,从而将开关损耗降至最低。

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