Bipolar DC power conversion: State-of-the-art and emerging technologies

S Rivera, R Lizana, S Kouro… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
This article provides a detailed analysis of the power electronics solutions enabling bipolar
dc grids. The bipolar dc grid concept has proven to be more efficient, flexible, and higher in …

A critical review of power quality standards and definitions applied to DC microgrids

G Van den Broeck, J Stuyts, J Driesen - Applied energy, 2018 - Elsevier
As compared to AC microgrids, DC microgrids reduce the hardware complexity of converter-
dominated power distribution in the presence of a high number of renewable energy …

Topology deduction and analysis of voltage balancers for DC microgrid

F Wang, Z Lei, X Xu, X Shu - IEEE Journal of Emerging and …, 2016 - ieeexplore.ieee.org
A voltage balancer that transfers unipolar dc bus configuration to bipolar dc bus
configuration has been widely employed in dc microgrid. Fortunately, unbalanced power …

A family of bipolar high step-up zeta–buck–boost converter based on “coat circuit”

BX Zhu, Y Liu, S Zhi, K Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
A family of bipolar high step-up zeta–buck–boost converters based on the “coat circuit” is
proposed, which can be used to connect a low-voltage dc source and a bipolar dc bus. Like …

Novel family of high-gain nonisolated multiport converters with bipolar symmetric outputs for DC microgrids

IN Jiya, H Van Khang, N Kishor… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Bipolar dc grid systems are fast gaining attraction for renewable energy source integration,
because of their merits of higher reliability, efficiency, and robustness as compared to the …

Adaptive droop control of unbalanced voltage in the multi-node bipolar DC microgrid based on fuzzy control

C Guo, J Liao, Y Zhang - International Journal of Electrical Power & Energy …, 2022 - Elsevier
Multi-node bipolar DC microgrid can provide more voltage level interfaces and has higher
security and reliability than the unipolar DC microgrid. However, in the multi-node bipolar …

Triple-active-bridge converter with automatic voltage balancing for bipolar DC distribution

N Naseem, H Cha - IEEE Transactions on Power Electronics, 2022 - ieeexplore.ieee.org
The bipolar dc grid outperforms the conventional unipolar dc distribution in terms of quality,
flexibility, efficiency, reliability, transmission capacity, and safety. Despite many advantages …

Current injection power flow analysis and optimal generation dispatch for bipolar DC microgrids

JO Lee, YS Kim, SI Moon - IEEE Transactions on Smart Grid, 2020 - ieeexplore.ieee.org
This article presents a current injection power flow analysis and optimal generation dispatch
method for bipolar DC microgrids. In bipolar DC systems, despite a certain local voltage …

Voltage balancing for bipolar DC distribution grids: A power flow based binary integer multi-objective optimization approach

BSH Chew, Y Xu, Q Wu - IEEE Transactions on Power Systems, 2018 - ieeexplore.ieee.org
The re-emergence of two-phase bipolar dc distribution network, which utilizes the neutral
wire for efficient distribution, has spurred research interest in recent years. In practice …

A generic power flow algorithm for unbalanced islanded hybrid AC/DC microgrids

EE Pompodakis, GC Kryonidis… - … on Power Systems, 2020 - ieeexplore.ieee.org
This paper proposes a precise power flow algorithm for islanded hybrid AC/DC microgrids
(HMGs). In our analysis, we have considered a multi-grounded unbalanced bipolar DC …