Results 291 to 300 of about 12,263,286 (349)

LVRT Performance Enhancement of DFIG-Based Wind Farms by Capacitive Bridge-Type Fault Current Limiter

IEEE Transactions on Sustainable Energy, 2018
Low voltage ride-through (LVRT) is one of the main requirements of the new grid codes for integration of wind farms (WFs) to power system. In this paper, to enhance the LVRT capability of doubly-fed induction generator (DFIG)-based WFs, a capacitive ...
M. Firouzi, G. Gharehpetian
semanticscholar   +1 more source

Feasible Application Study of Several Types of Superconducting Fault Current Limiters in HVDC Grids

IEEE transactions on applied superconductivity, 2018
The eventual goal of high-voltage direct-voltage (HVDC) systems is to implement HVDC grids. One of the key obstacles in realization of the HVDC grid is the absence of a dc circuit breaker (DCCB).
Ho-Yun Lee, M. Asif, Kyu-Hoon Park, Bang-wook Lee   +3 more
semanticscholar   +1 more source

Fault Current Limitation Coordination in Electric Power Grid With Superconducting Fault Current Limiters

IEEE Transactions on Applied Superconductivity, 2018
This paper proposes the concept of “fault current limitation coordination” in a future electric power grid with multiple superconducting fault current limiters (SFCL). Not only the fault current limitation of each SFCL on a transmission line, but also the transient stability of the grid with SFCLs should be taken into account, because the disturbance ...
Naoki Hayakawa, Yuya Maeno, Hiroki Kojima   +2 more
openaire   +1 more source

Fault Ride Through and Fault Current Management for Microgrids

2020
Over the recent years, the distributed energy resource (DER) generation and integration with utility grid became the most widely used worldwide. Thereon, the integration of distributed energy resources to the power grid and their dynamics during grid faults had become a critical issue in the new grid code requirements. In line with this, the fault ride
Wei Kou, Sung-Yeul Park
openaire   +1 more source

Establishment of fault current characteristics for solar photovoltaic generator considering low voltage ride through and reactive current injection requirement

Renewable & Sustainable Energy Reviews, 2018
Fault current studies are often required to determine the proper settings for the overcurrent relays. The conventional synchronous generators are known to exhibit high current magnitude during fault, which present an ideal scenario for fault isolation ...
Kheng Heong Oon, ChiaKwang Tan, A. Bakar, H. Che, H. Mokhlis, H. Illias   +5 more
semanticscholar   +1 more source

LVRT capability enhancement of DFIG-based wind farms by using capacitive DC reactor-type fault current limiter

International Journal of Electrical Power & Energy Systems, 2018
Low-voltage ride-through (LVRT) is the core of grid code requirements for grid connection of wind farms (WFs). This paper presents a capacitive DC reactor-type fault current limiter (CDRFCL) for LVRT capability enhancement of doubly-fed induction ...
H. Kartijkolaie, M. Radmehr, M. Firouzi
semanticscholar   +1 more source

Fault-resistance effect on ground fault current

Electrical Engineering, 1953
GROUND FAULT currents may be reduced substantially when fault resistance is included in the fault circuit. The majority of faults that occur on a power system involve ground and occur between conductor and tower. When a fault occurs to a steel tower or grounded wood pole on a grounded system the footing resistance is included automatically in the fault
openaire   +1 more source

Comparison between resistive and inductive superconducting fault current limiters for fault current limiting

2012 Seventh International Conference on Computer Engineering & Systems (ICCES), 2012
Superconducting fault current limiters (SFCLs) are used to limit the short-circuit current level in electrical transmission and distribution networks. Applications of SFCLs would not only decrease the stress on network devices, but also can offer a connection to improve the reliability of power system.
Mohamed M. Aly, Emad A. Mohamed
openaire   +1 more source

Analysis of Fault Current Distribution

2018 International Conference on Information , Communication, Engineering and Technology (ICICET), 2018
The grid current is one of the important key parameter of substation grounding grid design. It is the some fraction of ground fault current. The worst fault generally occurs within the substation which results maximum grid current. This maximum value of grid current directly affects the safety of the people in terms of stringent criterion such as step ...
M. G. Unde, R. N. Maske
openaire   +1 more source

Reduction of fault current peak in an inductive high-Tc superconducting fault current limiter

Cryogenics, 2005
Abstract This paper dealt with current-limiting performances of an inductive high- T c superconducting fault current limiter with an auxiliary coil. The fault current limiter mainly consists of the primary copper coil, secondary high- T c superconducting rings, and auxiliary high- T c superconducting coils, which are magnetically coupled ...
openaire   +1 more source