Asymmetrical faults - Open Access .click

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Impact of wind power plant reactive current injection during asymmetrical grid faults

, 2013
As more renewable energy sources, especially more wind turbines (WTs) are installed in the power system; grid codes for wind power integration are being generated to sustain stable power system operation with non-synchronous generation. Common to most of
Göksu, Ömer +4 more
core +1 more source

A Rotor Voltage Compensation Method for Transient Voltage Dip in Grid‐Connected Power Systems With A High Proportion of Renewable Energy Under Ramp‐Type Gradual Disturbance

Engineering Reports
Ramp‐type progressive disturbances induce transient voltage dips in grid‐connected power systems with high renewable energy penetration, leading to difficulties in the coordinated control of multi‐source power electronics and a delayed voltage recovery ...
Xiaoning Li +4 more
doaj +1 more source

Grid-Connected Harmonic Suppression Strategy Considering Phase-Locked Loop Phase-Locking Error Under Asymmetrical Faults

Energies
Harmonic distortion caused by phase jumps in the phase-locked loop (PLL) during asymmetric faults poses a significant threat to the secure operation of renewable energy grid-connected systems.
Yanjiu Zhang, Shuxin Tian
doaj +1 more source

Longitudinal Protection of Grid-Forming New Energy Outgoing Lines Based on Composite Sequence Current Characteristics

Zhongguo dianli
The access of grid-forming new energy centralized transmission system has significantly changed the fault characteristics of the grid, and the traditional longitudinal protection is prone to sensitivity reduction or even refusal risk when the ...
Song YUAN, Zhao GE, Jiajie Tang, Jiabao MEI +3 more
doaj +1 more source

Asymmetric distribution of aftershocks on large faults in California [PDF]

Geophysical Journal International, 2011
Ilya Zaliapin, Yehuda Ben-Zion
openaire +1 more source

Investigating the Effect of Asymmetrical Faults at Some Selected Buses on the Performance of the Nigerian 330-kV Transmission System [PDF]

, 2016
This study presents the investigation of the effects of the various types of asymmetrical faults on the Nigerian grid. Simulation of the different types of short-circuit faults was carried out on the network using Power World Simulator (PWS) to examine ...
Abdulkareem, Ademola +3 more
core

Research on predictive control strategies for direct-drive wind turbines under power grid fault

Diance yu yibiao
The active/reactive dynamic characteristics of the wind turbine are the key factors affecting the fault ride-through characteristics and the grid-connected voltage when a fault occurs in the power grid.
ZHANG Yuewei, HAN Minxiao, ZHANG Mingyang +2 more
doaj +1 more source

Transient Stability During Asymmetrical Faults

, 2015
Detta forskningsprojekt genomfördes hos RTE för att undersöka transientstabilitet efterosymmetriska fel. När trefasiga kortslutningar inträffar i en nätverk försvinner nästan all kraft i derelevanta ledningarna. Bland alla kortslutningstyper är detta den mest drastiska händelsen och måstelösas väldigt snabbt.
openaire +1 more source

Active distance protection schemes for asymmetrical faults of renewable energy stations transmission line

International Journal of Electrical Power & Energy Systems
The limited fault current amplitude and uncertain phase of inverter-interfaced renewable energy stations (IIRES) lead to the risk of malfunction of traditional distance protection.
Yitian Cai +5 more
doaj +1 more source

ASYMMETRICAL FAULT DETECTION IN DE-ENERGIZED DISTRIBUTION FEEDER

International Journal of Research in Engineering and Technology, 2015
After maintenance or repairing of the de-energized distribution feeder there is need of safely energizing of feeder for the utility’s safety. The safely energizing can be done by determining the fault exists on the distribution system before energizing the system again.
openaire +1 more source

low-voltage ride-through
geology