Review of distribution network phase unbalance: Scale, causes, consequences, solutions, and future research directions

K Ma, L Fang, W Kong - CSEE Journal of Power and Energy …, 2020 - ieeexplore.ieee.org
Phase unbalance is widespread in the distribution networks in the UK, continental Europe,
US, China, and other countries and regions. This paper first reviews the mass scale of phase …

Comprehensive review and a novel technique on voltage unbalance compensation

N Kongtrakul, W Wangdee, S Chantaraskul - IET Smart Grid, 2023 - Wiley Online Library
Voltage unbalance has gained more attention due to a rapid increase in single‐phase
distributed energy resources (DERs) penetration compound with existing unbalance …

Optimal operation of soft open points in active distribution networks under three-phase unbalanced conditions

P Li, H Ji, C Wang, J Zhao, G Song… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
The asymmetric integration of distributed generators (DGs) exacerbates the three-phase
unbalanced condition in distribution systems. The serious unbalanced operation causes …

A statistical approach to estimate imbalance-induced energy losses for data-scarce low voltage networks

L Fang, K Ma, R Li, Z Wang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Phase imbalance in the UK and European low-voltage (415 V, LV) distribution networks
causes additional energy losses. A key barrier against understanding the imbalance …

Utility-scale estimation of additional reinforcement cost from three-phase imbalance considering thermal constraints

K Ma, R Li, F Li - IEEE Transactions on Power Systems, 2016 - ieeexplore.ieee.org
Widespread three-phase imbalance causes inefficient uses of low voltage (LV) network
assets, leading to additional reinforcement costs (ARCs). Previous work that assumed …

[HTML][HTML] Flexible neutral point displacement overvoltage suppression method based on backstepping control in unbalanced distribution networks

ZY Zheng, JF Xu, BL Zhang, H Wang, MF Guo… - International Journal of …, 2023 - Elsevier
Three-phase AC distribution networks are required to operate as symmetrically as possible
for optimal performance, but the three-phase-to-ground parameters are asymmetric in the …

[HTML][HTML] Cost Apportionment Method for Transmission and Distribution Projects Based on Multiple Apportionment Factors

Y Ju, Y Sun, W Ning, Q Li, Y Lin, H Chen, S Yang - Sustainability, 2024 - mdpi.com
In today's society, sustainability has become a key theme, and utilizing renewable energy is
part of sustainability. Under the high proportion of renewable energy access, the …

Estimation of voltage-driven reinforcement cost for LV feeders under 3-phase imbalance

K Ma, C Gu, F Li - IEEE Access, 2016 - ieeexplore.ieee.org
Three-phase imbalance causes uneven voltage drops along low-voltage feeders. Under
long-term load growth, the phase with the lowest terminal voltage will trigger network …

Using Special Transformer Wiring to Improve the Three-phase Unbalance Rate of Railway System

CH Chen, SC Huang - Journal of Low Frequency Noise …, 2023 - journals.sagepub.com
Because imbalanced power will cause the loss of the propulsion motor of the railway
vehicle, and the increase in temperature will shorten the service life of the electric vehicle …

Review of Distribution Network Phase Imbalance: Scale, Consequences, Solutions, and Future Research Direction

K Ma, L Fang, W Kong - Authorea Preprints, 2023 - authorea.com
Phase unbalance is widespread in the distribution networks in the UK, continental Europe,
US, China, and other countries. First, this paper reviews the mass scale of phase unbalance …