Performance Analysis of MMC with Novel Multi-Carrier Phase Shifted Pulse Width Modulation (MCPS-PWM)

Vinnakoti, Sudheer; Daki, Anusha; Indraganti, Vyjayanthi; Srikar, Athili Sai; Sampath, Kovvali

doi:10.1109/ic3p52835.2022.00015

Cited by 1 publication

(1 citation statement)

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“…The PD PWM control strategy has gained wide acceptance in the design of the MMC topology compared to other control technologies as this technique provides load voltage and current with lower losses and less total harmonic distortion (THD) [70]. Phase-shifted pulse width modulation (PS PWM): The configuration of the MMC topology is based on connecting a number of SMs, which are used in each phase leg to control the flow of the current and voltage to the load through an integrated system [92]. In this modulation technique, each SM in the MMC topology is controlled separately, and the balancing voltage function for each cell is divided into an averaging control and a balancing control, where (N + 1) levels require several triangular carrier waveforms, and all carriers must have the same frequency and peak of the amplitude as there is a phase shift between the adjacent carriers, this shift being given by ϕc = 360 • /N.…”

Section: Multicarrier Pwm Techniquesmentioning

confidence: 99%

A Review on Modular Converter Topologies Based on WBG Semiconductor Devices in Wind Energy Conversion Systems

Athwer,

Darwish

2023

Energies

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This paper presents a comprehensive review on the employment of wide bandgap (WBG) semiconductor power devices in wind energy conversion systems (WECSs). Silicon-carbide- (SiC) and gallium-nitride (GaN)-based power devices are highlighted and studied in this review, focusing on their application in the wind energy system. This is due to their premium characteristics such as the operation at high switching frequency, which can reduce the switching losses, and the capability to operate at high temperatures compared with silicon (Si)-based devices. These advantages promote the replacement of the conventional Si-based devices with the WBG semiconductor devices in the new modular converter topologies due to the persistent demand for a more-efficient power converter topology with lower losses and smaller sizes. The main objective of this paper was to provide a comprehensive overview of the WBG power devices commercially available on the market and employed in the modular converter topologies for renewable energy systems. The paper also provides a comparison between the WBG power technologies and the traditional ones based on the Si devices. The paper starts from the conventional modular power converter topology circuits, and then, it discusses the opportunities for integrating the SiC and WBG devices in the modular power converters to improve and enhance the system’s performance.

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Section: Multicarrier Pwm Techniquesmentioning

confidence: 99%