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
doaj +1 more source
A 100-Element MESFET Grid Oscillator [PDF]
, 1990 A planar grid oscillator which combines the outputs of 100 devices quasi-optically is presented. The planar configuration is attractive because it is compatible with present-day IC fabrication techniques.
Kim, Moonil +4 more
core +1 more source
Topology and control strategy of a multifunctional modular DC fault current limiter
电力工程技术, 2022 DC fault current limiter (FCL) is a key device for suppressing DC short-circuit fault currents,which is important in AC/DC hybrid grid. In this paper,topology of a multifunctional modular DC FCL is proposed,which consists of multiple series-connected ...
ZHANG Liang +4 more
doaj +1 more source
Unified reference controller for flexible primary control and inertia sharing in multi-terminal voltage source converter-HVDC grids [PDF]
, 2016 Multi-terminal dc (MTDC) grids are expected to be built and experience rapid expansion in the near future as they have emerged as a competitive solution for transmitting offshore wind generation and overlaying their ac counterpart. The concept of inertia
Candela García, José Ignacio +4 more
core +2 more sources
Feasibility and Reliability Analysis of LCC DC Grids and LCC/VSC Hybrid DC Grids [PDF]
IEEE Access, 2019 Power system interconnections using high-voltage direct-current (HVDC) technologies between different areas can be an effective solution to enhance system efficiency and reliability. Particularly, the multi-terminal DC grids, that could balance and ensure resource adequacy, increase asset utilization and reduce costs.
Gen Li +7 more
openaire +3 more sources
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
Research on DC grid control and analysis method based on pilot voltage
The Journal of Engineering, 2019 DC voltage control is one of the key technologies of DC power grid operating control. Here, the local voltage measurement is replaced by the pilot voltage in traditional droop control, and the droop control based on the pilot voltage is applied to the DC
He Wang +4 more
doaj +1 more source
Design of DC grid system for green intelligent hybrid bulk carrier
Zhongguo Jianchuan Yanjiu, 2023 ObjectiveAccording to the characteristics of the complex waterways of inland rivers, a DC grid solution based on a multi-energy parallel hybrid green intelligent bulk carrier is proposed.
Li SU
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Nonlinear Control of an AC-connected DC MicroGrid [PDF]
, 2016 New connection constraints for the power network (Grid Codes) require more flexible and reliable systems, with robust solutions to cope with uncertainties and intermittence from renewable energy sources (renewables), such as photovoltaic arrays.
Damm, Gilney +4 more
core +3 more sources
Real Time Simulation of Power Electronics Medium Voltage DC-Grid Simulator
Energies, 2021 Power electronics medium-voltage (MV) systems must comply with the requirements defined in grid codes. These systems’ compatibility with the standards can be validated by specialized testing equipment: grid simulators.
Piotr Sobanski +5 more
doaj +1 more source