Results 21 to 30 of about 56,549 (215)

Photovoltaic Power Plant Collection and Connection to HVDC Grid with High Voltage DC/DC Converter

open access: yes, 2021
Photovoltaic (PV) power plant collection and connection to a high voltage direct current (HVDC) grid has many advantages. Compared with the traditional AC collection and grid-connection scheme, it can reduce the power conversion links and improve the ...
Xinke Huang   +5 more
core   +1 more source

Control strategy of doubly-fed induction generator during the grid voltage swell

open access: yesThe Journal of Engineering, 2018
This study firstly derives the relationship between the grid voltage and the rotor current of doubly-fed induction generator (DFIG) during the grid voltage swell.
Zou Le   +5 more
doaj   +1 more source

Real Time Simulation of Power Electronics Medium Voltage DC-Grid Simulator

open access: yesEnergies, 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

A multivariable optimal energy management strategy for standalone DC microgrids [PDF]

open access: yes, 2014
Due to substantial generation and demand fluctuations in standalone green microgrids, energy management strategies are becoming essential for the power sharing and voltage regulation purposes. The classical energy management strategies employ the maximum
Maheri, A.   +11 more
core   +1 more source

Transformation of conventional transformers for enhanced DC mitigation in AC power networks with advanced grid support

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
The flow of quasi-DC or DC in AC networks may trigger half-cycle saturation of electrical grid transformers that could lead to their internal heating or grid collapse.
Moazzam Nazir   +2 more
doaj   +1 more source

Robust repetitive feedback control of a three-phase grid connected inverter [PDF]

open access: yes, 2010
This paper discusses the design of a repetitive feedback controller for a grid-connected two-level three-phase voltagesource inverter connected between a DC source and the grid through an LCL filter.
Sharkh, S.M.   +8 more
core   +1 more source

Grid-Connected Adaptive Analysis and Control of the DC Wind Turbine Under the Grid-Side Transient Faults

open access: yesIEEE Access, 2023
The grid-side transient fault ride-through problem seriously affects the stable operation of the grid-connected wind turbine. At present, the grid-connected adaptability analysis of DC wind turbine (DCWT) under the grid-side transient faults is still a ...
Zhanlong Li   +3 more
doaj   +1 more source

An improved decentralized control strategy for a PV hybrid energy storage system in an LVDC microgrid

open access: yesFrontiers in Energy Research
This paper introduces an improved decentralized control strategy for a photovoltaic (PV) hybrid energy storage (HES) system (HESS) in a DC microgrid. The power sharing method of the HES system is discussed in depth.
Jianbiao Li   +8 more
doaj   +1 more source

A Simplified Control Method for Tie-Line Power of DC Micro-Grid

open access: yesEnergies, 2018
Compared with the AC micro-grid, the DC micro-grid has low energy loss and no issues of frequency stability, which makes it more accessible for distributed energy. Thus, the DC micro-grid has good potential for development.
Yanbo Che   +4 more
doaj   +1 more source

The Optimal Acoustic Measurement Point Selection for UHV Reactors in Substations Based on Equivalent Impedance and Information Entropy Theory

open access: yesIEEE Access
The operation of an Ultra-High Voltage (UHV) shunt reactor generates significant acoustic signals containing crucial information. To accurately assess the various acoustic parameters of ultra-high voltage shunt reactors, it is crucial to establish an ...
Yingwen Li   +5 more
doaj   +1 more source

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