Frontiers in Energy Research, 2022 To improve the balancing time of battery energy storage systems with “cells decoupled and converters serial-connected,” a new cell voltage adaptive balancing control method in both charging and discharging modes is proposed in this study.
Yanfeng Wang +5 more
doaj +1 more source
Neutral-Point Voltage Balancing Method for Three-Phase Three-Level Dual-Active-Bridge Converters
Energies, 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
State-of-Charge Balancing Control for Dual-Bus Battery System with Low-Voltage Output Regulation
World Electric Vehicle Journal, 2023 This article introduces a new method for balancing the state of charge (SOC) in a dual-bus battery system architecture. The system consists of multiple battery cells or modules connected in series to provide high voltage output.
Daxing Zhang +9 more
doaj +1 more source
Balancibility: Existence and uniqueness of power flow solutions under voltage balance requirements [PDF]
Electric Power Systems Research, 2021 In distribution systems, power injection variability due to growing penetrations of distributed energy resources (DERs) and dispatchable loads can lead to power quality issues such as severe voltage unbalance. To ensure the safe operation of phase-balance-sensitive components such as transformers and induction motor loads, the amount of voltage ...
Bowen Li +3 more
openaire +2 more sources
DC-Link Voltage Balancing Modulation for Cascaded H-Bridge Converters
IEEE Access, 2021 Cascaded H-Bridge (CHB) converters have been widely employed in various applications, providing the advantages of modularity and multilevel voltage output. However, technically the CHB converters require isolated DC-link buses, which need to be regulated
Youngjong Ko +2 more
doaj +1 more source
A New Topology of Modular Multilevel Converter With Voltage Self-Balancing Ability
IEEE Access, 2019 The modular multilevel converter (MMC) has been used in the field of HVDC transmission due to its many advantages, but its voltage imbalance problem of sub-module capacitors affects the stable operation of the system.
Hongchun Shu, Shunguang Lei, Xincui Tian
doaj +1 more source
Improved natural balancing with modified phase shifted PWM for single-leg five-level flying-capacitor converters [PDF]
, 2012 Flying capacitor converters (FCCs), as most multilevel converter topologies, require a balancing mechanism of the capacitor voltages. FCCs have the valuable property of natural voltage balancing when a special modulation technique is used.
Melkebeek, Jan +3 more
core +1 more source
Frequency-Decrease Effect and Inhibitory Strategies for Capacitor Voltage in MMC-UPFCs Based on Tagging Technology [PDF]
Dianli jianshe[Objective] In this study， we aim to address the submodule capacitor voltage frequency reduction effects and the resulting deterioration in system switching losses and harmonic performance in modular multilevel converter （MMC）-based unified power flow ...
WANG Chuyang, ZHANG Mengjie, ZHAO Yunlong, ZOU Yuting, ZHANG Li
doaj +1 more source
Simple and high‐performance cell balancing control strategy
Energy Science & Engineering, 2022 The basis for judging whether the battery pack is balanced is generally whether the voltage of the battery cell is consistent because the voltage of the battery cell is very easy to obtain.
Zilong Chen +4 more
doaj +1 more source
Active Voltage Balancing of Series Connected SiC MOSFET Submodules Using Pulsewidth Modulation
IEEE Open Journal of Power Electronics, 2021 Series connection of multiple transistors is an attractive solution to achieve higher voltage capability. However, the voltage imbalance among the series-connected devices is a critical issue caused by mismatches of device characteristics and gate ...
Inhwan Lee, Xiu Yao
doaj +1 more source