Strategy for DC Microgrid Energy Management Based on RG-DDPG
Zhongguo dianli, 2023 The randomness and intermittency of distributed energy have brought great challenges to the energy management of direct current (DC) microgrids. In order to solve this challenge, a DC microgrid energy management strategy based on reward guidance deep ...
Jianbiao LI +7 more
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Control Strategy in DC Microgrid for Integrated Energy Balancer: Photovoltaic Application [PDF]
Iranica Journal of Energy and Environment, 2022 Renewable energy is energy that can be used indefinitely. As a result, renewable energy sources such as solar photovoltaics developed. Conventional converters, typically used to connect the microgrid to the battery, only change the voltage.
L. Pratomo, L. Matthias
doaj +1 more source
The Control of Microgrid Energy Storage System Guarantees the Power Quality
Journal of Harbin University of Science and Technology, 2021 Aiming at the problem of power quality which is easy to appear in the microgrid, the paper puts forward a suitable control method for the energy storage system of the microgrid to guarantee the power quality.It is proposed to adopt two kinds of storage ...
WANG Jia-rui +5 more
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Bidirectional Power Flow Control in AC/DC Hybrid System under AC and DC Fault Conditions
JAREE (Journal on Advanced Research in Electrical Engineering), 2019 This paper presents a hybrid AC-DC microgrid to reduce the process of multiple conversions in an individual AC microgrid or DC microgrid. The proposed hybrid microgrid compose of both AC microgrid and DC microgrid connected together by bidirectional ...
Wai Wai Hnin
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Plug-and-play Solvability of the Power Flow Equations for Interconnected DC Microgrids with Constant Power Loads [PDF]
, 2019 In this paper we study the DC power flow equations of a purely resistive DC power grid which consists of interconnected DC microgrids with constant-power loads.
De Persis, Claudio +2 more
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Optimizing the roles of unit and non-unit protection methods within DC microgrids [PDF]
, 2012 The characteristic behavior of physically compact, multiterminal dc networks under electrical fault conditions can produce demanding protection requirements.
Burt, Graeme +4 more
core +1 more source
Building Scale DC Microgrids [PDF]
2012 IEEE Energytech, 2012 The structure of both electricity supply and demand is evolving rapidly. Dispersed building-scale generation is becoming an increasingly familiar generation source and electronics based loads are ubiquitous. Given this landscape, the historic advantages of AC electricity delivery, while still strong in the high voltage realm of meshed grids and medium ...
Chris Marnay +3 more
openaire +4 more sources
Transient Modeling and Analysis of VSC Based DC Microgrid During Short Circuit Fault
IEEE Access, 2019 The application of distributed renewable energy (DER) drives the development of DC microgrid based on voltage source converter (VSC). And short circuit fault protection is a significant challenge for the development of VSC based DC microgrid.
Heng Nian, Liang Kong
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Artificial Neural Network Based Fault Detection and Fault Location in the DC Microgrid [PDF]
, 2016 In DC microgrid, power electronic devices may suffer from over current during short circuit faults. Since DC bus systems cannot sustain high fault currents, suitable protection strategy in DC lines is indispensable.
Cheng Wang +14 more
core +1 more source
Tradeoffs between AC power quality and DC bus ripple for 3-phase 3-wire inverter-connected devices within microgrids [PDF]
, 2011 Visions of future power systems contain high penetrations of inverters which are used to convert power from dc (direct current) to ac (alternating current) or vice versa.
Burt, Graeme M. +2 more
core +1 more source