Results 11 to 20 of about 267,926 (301)
Journal of Modern Power Systems and Clean Energy, 2017 With the increasing capacity of photovoltaic (PV) power plants connected to power systems, PV plants are often required to have some reactive power control capabilities to participate in reactive power regulation.
Jingsheng Huang +4 more
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Design of A Single-Phase Transformerless Grid-Connected PV Inverter Considering Reduced Leakage Current and LVRT Grid Codes [PDF]
Journal of Operation and Automation in Power Engineering, 2021 A new single-phase transformerless grid-connected PV inverter is presented in this paper. Investigations in transformerless grid-connected PV inverters indicate the existence of the leakage current is directly related to the variable common-mode voltage (
F. Mohammadi +3 more
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Reactive Power Dispatch Method in Wind Farms to Improve the Lifetime of Power Converter Considering Wake Effect [PDF]
, 2017 In Wind Farms (WF), the most popular and commonly implemented active power control method is the Maximum Power Point Tracking (MPPT). Due to the wake effect, the upstream Wind Turbine (WT) in WFs has more active power generation than the downstream WT at
Blaabjerg, Frede +4 more
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The unified power quality conditioner: the integration of series and shunt-active filters [PDF]
, 1998 This paper deals with unified power quality conditioners (UPQCs), which aim at the integration of series-active and shunt-active power filters. The main purpose of a UPQC is to compensate for voltage flicker/imbalance, reactive power, negative-sequence ...
Akagi, Hirofumi, Fujita, Hideaki
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Energies, 2020 With the increased proportion of intermittent renewable energy sources (RES) integrated into the sending-end, the total transfer capability of transmission lines is not sufficient during the peak periods of renewable primary energy (e.g., the wind force),
Yuwei Zhang +4 more
doaj +1 more source
Reactive power capability of WECS based on matrix converter
Electronics Letters, 2008 The reactive power capability of a variable speed wind energy conversion system (WECS), based on an induction generator fed by a matrix converter is presented. A simplified analysis is performed neglecting the system losses. It is demonstrated that the maximum reactive power that can be supplied to the grid is ∼40% of the nominal power.
Cardenas, R. +3 more
openaire +5 more sources
Illustration of Modern Wind Turbine Ancillary Services [PDF]
, 2010 Increasing levels of wind power penetration in modern power systems has set intensively high standards with respect to wind turbine technology during the last years.
Anca D. Hansen +5 more
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Research and application of rapid power control system based on photovoltaic inverter
电力工程技术, 2023 A systematic solution for millisecond-level power control in photovoltaic (PV) power stations is proposed to enable the new energy power output to rapid response to the balance of active and reactive power demands in the system.
LI Keyu +5 more
doaj +1 more source
Energies, 2022 With the increase of photovoltaic penetration rate, the fluctuation of photovoltaic power generation affects the reliability of ship power grids. Marine PV grid-connected systems with high penetration rates should generally have a low voltage ride ...
Shihao Wang +3 more
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Study of voltage fluctuations caused in a distribution grid by the connection of a wave energy converter and corrective actions based on reactive power compensation [PDF]
, 2016 Renewable energies, in general, have considerably increased their penetration in electrical power systems. However, they are intermittent energy sources, and large amounts of this power could create problems for the proper operation of the electrical ...
Martínez González, Sergio +2 more
core +2 more sources