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Study of Calculation Schemes of Currents Induced by Closing-Loop Operations in Medium-Voltage Distribution Grids

Information Security Practice and Experience, 2019
To avoid large currents caused by closing-loop operations in medium-voltage distribution grids, it is necessary to develop an effective method for rapid and accurate calculation of the closing-loop currents.
Kaiyu Zhang   +3 more
semanticscholar   +1 more source

A Novel Modulation Method for the MMC applied to Medium Voltage Distribution Grids

Annual Conference of the IEEE Industrial Electronics Society, 2019
When the Modular Multilevel Converter (MMC) adopts the Nearest Level Modulation (NLM) method in the medium voltage (MV) DC distribution grids, the current distortion is serious due to the smaller number of modules.
Mao Ji, Yi Wang, Can Hu
semanticscholar   +1 more source

Number of Levels, Arm Inductance and Modulation Trade-offs for High Power Medium Voltage Grid-Connected Modular Multilevel Converters

International Conference on Performance Engineering, 2019
There is an increasing focus on integrating flexible dc links for bulk power routing in medium voltage distribution grids. In such applications, the ac-dc Modular Multilevel Converter (MMC) devised for medium voltage and high-power ratings can be an ...
A. Shekhar   +4 more
semanticscholar   +1 more source

Optimal Distributed Generation and Capacitor Bank Allocation and Sizing at Two Voltage Levels

IEEE Systems Journal, 2023
Optimal simultaneous allocation and sizing of distributed generation (DG) units and capacitor banks (CBs) can effectively reduce real power losses and improve voltage profile.
Deni Ćetković, V. Komen
semanticscholar   +1 more source

Improving the Process for Distribution Network Optimization in Medium Voltage Level (11) kV by Developing Short Term Load Forecast Method

2018 IEEE International Conference on High Voltage Engineering and Application (ICHVE), 2018
Al Ain Distribution Network is owned, operated and maintained by Al Ain Distribution Company (AADC), an affiliate of Abu Dhabi Water and Electricity Authority (ADWEA) in the United Arab Emirates (UAE). AADC network covers an area about 12000 sq.km supplying more than 500,000 inhabitants with electricity and water in the Eastern Region of Abu Dhabi ...
Maha AlDahmi, Omar AlAhmad
openaire   +1 more source

Research on Voltage Flexible Control Strategy of Distribution Network Based on Hybrid Distribution Transformer and OLTC Coordination

2023 IEEE 2nd International Power Electronics and Application Symposium (PEAS), 2023
With the continuous access of new “source” and “load” to the distribution network, the problem of frequent voltage fluctuations in the distribution network is becoming more and more serious, to address this problem, a multi-timescale voltage refinement ...
Li Xu   +9 more
semanticscholar   +1 more source

Hierarchical Distribution Network Control Scheme for Power Flow Regulation at the Interconnection Points between several Voltage Levels

IEEE International Conference on Power and Energy, 2018
With the large-scale integration of distributed energy resources (DERs) in the distribution network and the installation of communication infrastructure the controllability in distribution grids increases.
Jannik Zwartscholten   +3 more
semanticscholar   +1 more source

Determination of Maximum Photovoltaic Penetration Level in Extended Medium-Voltage Distribution Feeders Considering the Impact of Tap-Changers and Critical Hour

Smart Grids and Sustainable Energy
This paper delves into the examination of challenges and advantages associated with the integration of photovoltaic (PV) systems into extended medium-voltage (MV) distribution feeders. With the increasing popularity of PV systems, issues such as reverse power flow, voltage elevation, and the overloading of network elements become more prominent ...
Esmaeeli M.   +3 more
openaire   +2 more sources

Formulation of reference network models for the Hungarian medium voltage distribution level

Sustainable Energy, Grids and Networks, 2022
Attila Sándor Kazsoki, Bálint Hartmann
openaire   +1 more source

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