Results 31 to 40 of about 118,788 (309)

Direct control strategy for a four-level three-phase flying-capacitor inverter [PDF]

open access: yes, 2010
A direct predictive control strategy is proposed for a three-phase four-level flying-capacitor (FC) inverter in this paper. The balancing of the FC voltages, a challenge in applications with small capacitors and low switching frequencies, is done without
Defaÿ, François   +2 more
core   +1 more source

A Simplified Logical Method (SLM) Based Capacitor Balancing Technique for Modular Multilevel Converter

open access: yesIEEE Access, 2021
The modular and voltage scalable features of modular structure based power converter has attracted for wide power range applications. However, balancing the capacitor voltage becomes complex when the number of sub modules is increased.
Hidayathullah Mohamed Ismail   +2 more
doaj   +1 more source

Improved voltage balancing scheme for the MLI based DSTATCOM with Sliding Mode Controller

open access: yesJournal of Applied Science and Engineering
In this article is used to demonstrate of sliding mode controller (SMC) for a multilevel inverter based distributed static compensator (DSTATCOM)for compensation of current harmonics related power quality issues and dc side capacitor voltage balancing of
Kalagotla Chenchireddy, V Jegathesan
doaj   +1 more source

Ripple Analysis and Capacitor Voltage Balancing of Five-Level Hybrid Clamped Inverter (5L-HC) for Medium-Voltage Applications

open access: yesIEEE Access, 2019
The five-level hybrid clamped inverter (5L-HC) is a promising new topology for medium-voltage applications. However, to minimize the capacitors and ensure good performance of the converter, capacitor voltage ripples, as well as voltage balancing control,
Ze Wang   +4 more
doaj   +1 more source

Advanced voltage balancing techniques for series-connected SiC-MOSFET devices: A comprehensive survey

open access: yesPower Electronic Devices and Components
This paper presents a comprehensive survey of voltage balancing techniques for series-connected SiC-MOSFETs. The concept of connecting power devices in series is appealing due to the potential to achieve higher block voltages using lower-voltage ...
Luciano F.S. Alves   +3 more
doaj   +1 more source

Psychosocial Outcomes in Patients With Endocrine Tumor Syndromes: A Systematic Review

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction The combination of disease manifestations, the familial burden, and varying penetrance of endocrine tumor syndromes (ETSs) is unique. This review aimed to portray and summarize available data on psychosocial outcomes in patients with ETSs and explore gaps and opportunities for future research and care.
Daniël Zwerus   +6 more
wiley   +1 more source

T-Type-Based Dual-Active-Bridge DC-DC Converter With Voltage Balancing Capability for Bipolar DC Distribution System

open access: yesIEEE Access
A dual-active-bridge (DAB) converter has been widely used to construct the dc bus voltage of a dc distribution system. However, in the case of a bipolar dc system, conventional DAB converters fail to regulate the bipolar dc bus voltage levels due to the ...
Jun Young Lee   +2 more
doaj   +1 more source

A New MMC Sub-Module Topology with DC Fault Blocking Capability and Capacitor Voltage Self-Balancing Capability

open access: yesEnergies, 2021
A large number of modular multilevel converters (MMC) are connected to HVDC transmission systems nowadays. This paper aims at the short-circuit fault in the DC line of the HVDC transmission system and the problem of capacitor voltage imbalance in MMC ...
Yuqi Pang   +4 more
doaj   +1 more source

Voltage Balancing Capability of Grid-Forming Inverters

open access: yesIEEE Open Access Journal of Power and Energy, 2022
The objective of this paper is to analyze and identify the range of voltage balancing capability of grid-forming inverters serving three-phase unbalanced loads. These inverters are designed to compensate for voltage imbalance by controlling the negative-sequence components of voltage and current.
Taehyung Kim   +6 more
openaire   +2 more sources

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