Results 61 to 70 of about 166 (136)
Fault current limiters (FCLs) are essential components in modern power systems for critical protection against the damaging effects of fault currents. With extensive short circuits, routine electrical faults, and an increasing risk of failure due to unprecedented events, the development of different types of FCL has gained attention.
Tamalika Chowdhury +2 more
wiley +1 more source
The intermittent access of renewable energy sources leads to a significant increase in fault short‐circuit currents in power grid. DC superconducting fault current limiters (SFCL) can limit short‐circuit currents in flexible DC transmission systems ...
Jianfa Wu +7 more
doaj +1 more source
Presaturated iron‐core fault current limiters for MVDC power system applications
This paper presents design and dynamic performance investigation of a 25 kV full‐scale, modular topology (arranged on the sides of a regular hexagon), medium voltage direct current (MVDC) permanent magnet (PM) biased presaturated fault current limiter (PMFCL).
Ibrahim A. Metwally, Mohamed Eladawy
wiley +1 more source
Modeling the limiting performance of resistive superconductor fault current limiters for 2G HTS tape
Fault currents in power systems force valuable power system elements thermally, electro-dynamically and electromagnetically. Due to the increase in fault current levels, the installation of components resistant to fault currents and the damage of these ...
Muhsin Tunay Gençoğlu, Buğra Yılmaz
doaj
To enhance the stability of a micro-grid under fault conditions, this paper proposes the coordination control of a superconducting magnetic energy storage (SMES), an active superconducting fault current limiter (SFCL), and distributed generation units ...
Lei Chen +8 more
doaj +1 more source
A modified synchronverter for a weak grid with virtual power circles‐based PQ decoupling scheme
A VSG is essential for ensuring stability of a power systems with high penetration of renewable energies, weak grid. Its control, however, is challenging due to the coupling of the active and reactive power which thus, requires virtual impedance. This article simplifies what type, kind and magnitude of the virtual impedance required to achieve a ...
Daniel Angelo Kisinga +2 more
wiley +1 more source
Voltage source converter-based (VSC-based) DC systems play an important role in connecting large-scale renewable energy and distributed energy, but they are vulnerable to DC short-circuit fault and lacks mature protection devices and appropriate ...
Siyuan Liang +6 more
doaj +1 more source
The recent development of protection coordination schemes based on inverse of AC microgrid: A review
The traditional OCR faced many protection performance challenges and miss‐coordination events due to the high DG penetration. Therefore, the main goal of using the voltage value that the relay discovers is to offer reliable relay coordination under high DG penetration.
Feras Alasali +7 more
wiley +1 more source
In regard to the rapid development of renewable energy sources, more and more photovoltaic (PV) generation systems have been connected to main power networks, and it is critical to enhance their transient performance under short-circuit faults conditions.
Lei Chen +6 more
doaj +1 more source
Power transmission using a voltage source converter‐ (VSC‐) based high‐voltage direct current (HVDC) system offers autonomous control of real and reactive power, constant DC voltage polarity, and bidirectional power flow. This helps to realize the multiterminal VSC‐HVDC system and its integration into renewable energy sources to meet the growing power ...
Wajid Ahmed +3 more
wiley +1 more source

