Results 21 to 30 of about 873,587 (299)

Electrical performance study of a large area multicrystalline silicon solar cell using a current shunt and a micropotentiometer [PDF]

, 2010
In this paper, a new technique using a Current Shunt and a Micropotentiometer has been used to study the electrical performance of a large area multicrystalline silicon solar cell at outdoor conditions.
Abd El-Rahman, AH, Abdel Aziz, MM, Abdel Mageed, HM, Abdel Raouf, MH, Ghitas, A, Sabry, M, Zobaa, AF   +6 more
core   +1 more source

Research on the optimisation strategy of short-circuit current limitation based on quantum genetic algorithm

The Journal of Engineering, 2019
With the expansion of urban power grid, short-circuit current issue becomes more important. This study proposes an effective approach to optimise short-circuit current limiting measure configuration.
Jianlin Yang, Yuan Ji, Mingxing Guo, Weidong Qiao, Fei Fei, Mengyao Zhang   +5 more
doaj   +1 more source

Temperature effects on the electrical performance of large area multicrystalline silicon solar cells using the current shunt measuring technique [PDF]

, 2010
The temperature effects on the electrical performance of a large area multicrystalline silicon solar cell with back-contact technology have been studied in a desert area under ambient conditions using the current shunt measuring technique.
Abd El-Rahman, AH, Abdel Aziz, MM, Abdel Mageed, HM, Abdel Raouf, MH, Zobaa, AF   +4 more
core   +1 more source

Comparative Analysis of High-Voltage Power Line Models for Determining Short-Circuit Currents in Towers Earthing Systems

Energies, 2021
The article deals with the problems of single-phase short-circuit current distribution in overhead power lines. Short-circuit disturbances cause many negative phenomena in power networks.
Rafał Tarko, Jakub Gajdzica, Wiesław Nowak, Waldemar Szpyra   +3 more
doaj   +1 more source

Forces and Stresses in the Windings of a Superconducting Fault Current Limiter

Energies, 2022
This paper presents the design of a Superconducting Fault Current Limiter (SFCL) and calculation results of forces and stresses in the windings of a resistive fault current limiter.
Janusz Kozak
doaj   +1 more source

Demagnetization withstand capability enhancement of surface mounted PM machines using stator modularity [PDF]

, 2017
The flux gaps in alternate stator teeth of the modular PM machines can have a significant impact on the total magnet flux density, and hence, the potential magnet reversible/irreversible demagnetization under flux weakening operations or short-circuit ...
Foster, M.P., Li, G., Ren, B., Stone, D.A., Zhu, Z.Q.   +4 more
core   +1 more source

A Solid-State Circuit Breaker Based on Coupled-Inductor for Battery Energy Storage System

IEEE Access
In a battery energy storage system (BESS), short-current protection is critical and need to be designed carefully to enhance the system’s safety and reliability.
Kuo-Yuan Lo, Ting-Wei Huang, Kuo-Hsiang Liu   +2 more
doaj   +1 more source

Recombination in polymer-fullerene bulk heterojunction solar cells

, 2010
Recombination of photogenerated charge carriers in polymer bulk heterojunction (BHJ) solar cells reduces the short circuit current (Jsc) and the fill factor (FF).
A. Rose, Alan J. Heeger, Anshuman Roy, M. P. Langevin, R. A. Street, Sarah R. Cowan   +5 more
core   +1 more source

Research on optimal configuration of fault current limiter based on reliability in large power network

Archives of Electrical Engineering, 2020
With the availability of UHV engineering technology, the scale of the power network is expanding, and the level of the short-circuit current is getting higher, which brings hidden trouble to the safe and stable operation of the power network.
Jianjun Zeng, Yonggao Zhang
doaj   +1 more source

Features of fault transient's in generator network of powerful electric power stations

Известия высших учебных заведений: Проблемы энергетики, 2021
THE PURPOSE. To consider the problems of generator circuit breaker. To consider the problems of high degree of asymmetry of short-circuit current and long delayed current zeros in detail. Propose methods for solving these problems. Develop the equivalent
E. P. Safonov, V. Ya. Frolov
doaj   +1 more source