Results 171 to 180 of about 3,905 (208)

Robust modified passive islanding detection for microgrids using mathematical morphology based dual algorithm. [PDF]

Sci Rep
El-Sousy FFM, Larik NA, Lue W, Almutairi SZ, Alqahtani MH, Mobayen S.   +5 more
europepmc   +1 more source

Sliding mode-based direct power control of unified power quality conditioner. [PDF]

Heliyon
Trivedi T, Jadeja R, Bhatt P, Long C, Sanjeevikumar P, Ved A.   +5 more
europepmc   +1 more source

Increased LVRT capability for VSG-based grid-tied converters

Applied Energy
Feng Ji, Z. Xu
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LVRT capability of wind farms

2013 12th International Conference on Environment and Electrical Engineering, 2013
Nowadays wind turbines are generally required to offer ancillary services similar to those provided by conventional generators. One of the most important services wind turbines must offer is to stay connected to the grid in fault situations delivering the reactive current specified in the recent grid codes.
H. Amaris, L. Gonzalez, M. Alonso, Carlos Alvarez Ortega   +3 more
openaire   +1 more source

LVRT-DGFACTS devices in wind farms

2011 International Conference on Power Engineering, Energy and Electrical Drives, 2011
This article compares the results recorded in the connection of three types of DGFACTS (DSTATCOM, DVR, UPQC) to a wind farm in order to resolve the issues of LVRT requirements on wind farms equipped with wind turbines with squirrel-cage induction generators.
Melchor Gomez, Emilio Jimenez, Eduardo Martinez-Camara, Mercedes Perez, Julio Blanco   +4 more
openaire   +1 more source

LVRT-retardation-device for decentralized power plants

2014 Electric Power Quality and Supply Reliability Conference (PQ), 2014
During fault events in the electrical power grid nearby a synchronous generator, the rotor speed of the machine is increased, because dissipated power is below generated power. This may cause high rotor angle excursions and hence the machine to lose synchronism with the power grid.
Norbert Essl, Herwig Renner
openaire   +1 more source

Mechanical Stress Comparison of PMSG Wind Turbine LVRT Methods

IEEE Transactions on Energy Conversion, 2021
The grid code for renewable energy is increasingly strict to circumvent issues with grid stability and reliability. One grid code standard that is enforced for most modern variable speed wind turbines (WTs) is the low-voltage ride-through (LVRT) criteria, where WTs are to be grid-connected during voltage dips.
Andrew Zhou, Yun Wei Li, Yasser Mohamed
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Control Strategy Study of DFIG with LVRT

2009 International Conference on Energy and Environment Technology, 2009
In recent years, the proportion of the wind power in the grid is increasing rapidly. When the grids faults results in voltage decline, the widespread tripping of wind generators could lead to transient instabilities and local or overall blackouts. So it is concerned that the wind turbines merge into the grid and the request of the low voltage ride ...
Xing-jia Yao, Li-zhe Liang, Hu Chen, Zuo-xia Xing   +3 more
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Advanced LVRT Control Scheme for Offshore Wind Power Plant

IEEE Transactions on Power Delivery, 2021
Offshore wind farms (OWF) are being rapidly integrated to the power systems, which can be primarily attributed to saturation of the mainland onshore area, and high wind speed in offshore sites. However, to maintain stable grid operation, OWFs are required to comply with Low Voltage Ride Through (LVRT) capability.
Muhammad M. Kabsha, Zakir H. Rather
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A Dynamic LVRT Solution for Doubly Fed Induction Generators

IEEE Transactions on Power Electronics, 2009
Doubly fed induction generators have become the most common type of wind turbine generators. However, this type of generator is susceptible to grid-side low voltage and short circuits due to existence of a power electronics converter on the rotor side.
Omar Abdel-Baqi, Adel Nasiri
openaire   +1 more source