Results 11 to 20 of about 146,883 (325)

Compensation-Voltage-Injection-Based Neutral-Point Voltage Fluctuation Suppression Method for NPC Converters

open access: yesEnergies, 2023
Three-level neutral-point clamped (NPC) inverters are widely used in the new energy power generation, motor drive, and many other occasions. However, the neutral-point voltage imbalance of an NPC inverter will affect the output of the inverter system ...
Guo Chen   +4 more
doaj   +1 more source

Virtual Vector-Based FCS-MPC for NPC Three-Level Grid-Tied Inverter Without Weighting Factor of Neutral-Point Voltage Balancing

open access: yesIEEE Access, 2022
The neutral-point clamped (NPC) inverter is widely used in energy conversion, but the unbalance of neutral-point voltage (NPV) will lead to imprecise control and the decline of power quality.
Nan Jin   +4 more
doaj   +1 more source

An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives

open access: yesIEEE Access, 2021
This paper introduces an advanced space vector modulation technique for three-level neutral-point-clamped (3L-NPC) converters. The studied 3L-NPC converters within aircraft electric starter generator (ESG) systems normally operate at high modulation ...
Chen Li   +5 more
doaj   +1 more source

Neutral-Point Voltage Balancing Method for Three-Phase Three-Level Dual-Active-Bridge Converters

open access: yesEnergies, 2022
Three-phase three-level dual-active-bridge (3L-DAB3) converters are a potential topology for high-voltage and high-power applications. Neutral-point voltage balancing is a complex and important issue for three-level (3L) circuits.
Xinmi Wu, Yu Zhang, Jiawen Yang
doaj   +1 more source

Performance Comparison of Five-Level Active Neutral Point Converter Based on Phase Disposition-PWM and Alternate Phase Opposition Disposition-PWM [PDF]

open access: yesITM Web of Conferences, 2022
The work in this paper presents the performance analysis of the reduced component count converter which is the 5-Level Active Neutral Point Converter (5LANPC).
Ameer Noory Zainab, Hassan Raaed. F.
doaj   +1 more source

Model Predictive Control Method With NP Voltage Balance by Offset Voltage Injection for Three-Phase Three-Level NPC Inverter

open access: yesIEEE Access, 2020
This paper proposes a predictive control method with offset voltage injection for achieving a neutral point (NP) voltage balance of three-phase three-level neutral point clamped (NPC) inverter, without employing a weighting factor. In order to ensure the
Eun-Su Jun   +2 more
doaj   +1 more source

Seven Level T-Type Switched Capacitor Inverter Topology for PV Applications

open access: yesIEEE Access, 2021
The conventional neutral point clamped (NPC) multilevel inverter topology needs voltage balancing circuits to balance the dc-link capacitor, the number of component count is high and output voltage is half of the input voltage which increase the size of ...
Saeed Alyami   +4 more
doaj   +1 more source

A modified neutral-point balancing space vector modulation technique for three-level neutral point clamped converters in high speed drives [PDF]

open access: yes, 2018
This paper describes a high performance neutral point voltage balancing technique for a Neutral point clamped (NPC) Converter. Conventional neutral point voltage balancing methods do not function well under low power factor, low pulse ratio and near ...
Bozhko, Serhiy   +6 more
core   +2 more sources

A strategy of neutral-point potential balance control and common-mode voltage suppressio

open access: yesGong-kuang zidonghua, 2014
For problems that there are common-mode voltage, over voltage and neutral-point potential imbalance simultaneously in power supply of inverter to motor through long cable, generation mechanisms of common-mode voltage and over voltage were analyzed as ...
WANG Kezhi   +5 more
doaj   +1 more source

Harmonic Analysis and Neutral-Point Potential Control of Interleaved Parallel Three-Level Inverters for Flywheel Energy Storage System

open access: yesFrontiers in Energy Research, 2022
Flywheel energy storage system is a popular energy storage technology, in which inverters are the center of electrical energy conversion, directly affecting the power capacity.
Zhongrui Li   +4 more
doaj   +1 more source

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