T-type Nested Neutral Point Clamped (T-NNPC) Multilevel Inverter: Identification and Diagnosis of IGBT Switch Failures

M Hassanifar, M Shamouei-Milan… - 2022 13th Power …, 2022 - ieeexplore.ieee.org
In recent years, T-type nested neutral point clamped (T-NNPC) multilevel inverter has
gained attention in motor drive applications. A lot of insulated gate bipolar transistor (IGBT) …

A New Single-Phase High Step-Up Active-Switched Quasi Z-Source NNPC Inverter With Common Ground Feature

MS Milan, R Asgarnia, MG Marangalu… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
Quasi-Z source (qZS) multilevel inverters have become popular in sustainable energy
systems, particularly in photovoltaic (PV) systems. This study proposes a qZS five-level …

Fast Open-circuit Fault Detection Method for Defective Switches in Nested Neutral Point Clamped (NNPC) Converter

V Barahouei, SM Barakati… - 2022 13th Power …, 2022 - ieeexplore.ieee.org
Recently, the nested neutral point clamped (NNPC) converter has been developed for
medium voltage applications. This converter has been considered for its desirable …

Open circuit fault detection and diagnosis for seven-level hybrid active neutral point clamped (ANPC) multilevel inverter

M Azimipanah, M Hassanifar… - 2021 29th Iranian …, 2021 - ieeexplore.ieee.org
In the recent decade, active neutral point clamped (ANPC) multilevel inverters have
achieved remarkable attention in medium voltage motor drives. Several active switches in a …

Fault-tolerant configuration for T-type nested neutral point clamped (T-NNPC) converter

MR Haredasht, SM Barakati - 2023 International Conference on …, 2023 - ieeexplore.ieee.org
Recently, the use of T-type nested neutral point clamped (T-NNPC) converter has increased
in medium voltage applications. However, the T-NNPC converter architecture's reliability …

A Single-Phase High Gain Active-Switched Quasi Z-Source NNPC Inverter

M Shamouei-Milan, R Asgarniya… - 2023 IEEE IAS …, 2023 - ieeexplore.ieee.org
Impedance source-based multilevel inverters have recently gained popularity for new
renewable energy sources. This study describes a quasi Z-source (qZS) based single phase …

Design and Analysis of a New Multilevel Inverter with Reduced Number of Switching Devices

H Jafari, M Hassanifar, D Nazarpour… - 2021 12th Power …, 2021 - ieeexplore.ieee.org
In this paper, a modular multilevel inverter is proposed. The suggested structure is
composed of two main units: H-bridge and Basic unit. A presented basic unit produces only …

Five-Level Standalone Neutral Point Clamped Rectifier with Time Division Multiplexing-based Voltage Balancing Control and Active PFC

E Barbie, D Baimel, A Kuperman - 2023 IEEE 17th …, 2023 - ieeexplore.ieee.org
The biggest drawback of Neutral Point Clamped (NPC) converters lies in their inability to
maintain voltage balance in the dc-link capacitors for some operating conditions when the …

The Advanced Carrier Based Pulse Width Modulation Using Third Injection Harmonic Reference Signal on Neutral Point Clamped Inverter

IK Wiryajati, INW Satiawan, IBF Citarsa… - … Multi-Conference on …, 2022 - atlantis-press.com
This paper proposes development of a Pulse Width Modulation (PWM) scheme that
overcomes the weakness of conventional Carrier-Based PWM (CBPWM) performance on …