Results 31 to 40 of about 917,891 (247)

Experimental study on short-circuit current characteristics of a photovoltaic system with low voltage ride through capability under a symmetrical fault

Energy Reports, 2022
Large number of photovoltaic (PV) power plants connected to a power grid can bring significant impacts to fault currents and the operation of protection systems.
Shuai Yuan, Bao-Feng Yang, Jian-Ying Zhang   +2 more
doaj   +1 more source

Load flow, short circuit and motor starting studies in electrical power substations.

ITEGAM-JETIA
Power system studies are essential for the proper planning and design of electrical power substations. This paper presents the load flow, short circuit, and motor starting studies for 33/6.6/0.44 kV electrical power substation.
Mohan Muniappan
doaj   +1 more source

Improved efficiency of microcrystalline silicon thin film solar cells with wide band-gap CdS buffer layer [PDF]

, 2017
In this paper, we have reported a new structure based upon an optical simulation of maximum light trapping and management in microcrystalline silicon thin film solar cells by using multi texture schemes and introducing an n-type cadmium sulphide (CdS ...
Charlton, Martin D.B., Haxha, Shyqyri, Jabeen, Maria   +2 more
core   +5 more sources

Active Reduction of Short-Circuit Current in Power Distribution Systems

Energies, 2020
In this paper, a new concept of short-circuit current (SCC) reduction for power distribution systems is presented and analyzed. Conventional fault current limiters (FCLs) are connected in series with a circuit breaker (CB) that is required to limit the ...
Esteban Pulido, Luis Morán, Felipe Villarroel, José Silva   +3 more
doaj   +1 more source

Shafting Torsional Vibration Analysis of 1000 MW Unit under Electrical Short-Circuit Fault

Applied Sciences, 2021
Taking a 1000 MW turbine generator as the research object, the short-circuit fault in electrical disturbance is analyzed. Since it is very difficult to carry out fault analysis experiments and research on actual systems, simulation analysis is one of the
Honggang Pan, Yunshi Wu, Zhiyuan Pang, Yanming Fu, Tianyu Zhao   +4 more
doaj   +1 more source

Fault-Tolerant Operation of an Open-End Winding Five-Phase PMSM Drive with Short-Circuit Inverter Fault [PDF]

, 2015
Multi-phase machines are well-known for their fault tolerant capability. Star-connected multiphase machines have fault tolerance in open-circuit.
KESTELYN, Xavier, MEINGUET, Fabien, NGUYEN, Ngac Ky, SEMAIL, Eric   +3 more
core   +4 more sources

Short-Circuit Protection Circuit With Current Slope-to-Digital Conversion Short-Circuit Detection and Adaptive Soft Turn-Off

IEEE Open Journal of Power Electronics
A short-circuit protection circuit is proposed for power electronic systems employing silicon carbide metal–oxide–semiconductor field-effect transistors.
Seungjik Lee, Jinman Myung, Geonwoo Park, Yoseph Kim, Ockgoo Lee, Ilku Nam   +5 more
doaj   +1 more source

Research of Aviation Electric Arc and Short Circuit Damage and Protection

Hangkong gongcheng jinzhan, 2020
Aviation electric arc and short circuit may lead to irreparable loss. It is of great significance to study the harm of aviation electric arc and short circuit and its protection measures.
CAO Tao
doaj   +1 more source

A Scheme of DC-side Short-circuit Protection for Bi-directional Converterin Urban Rail Traction Power Supply System

Kongzhi Yu Xinxi Jishu, 2021
Using bi-directional converters for traction power supply in urban rail transit, traditional PWM rectifiers cannot meet the requirement of DC feeder protection for 27 kA short-circuit current with 120 ms continuous time.
WANG Xiong, CHEN Jielian, WU Xuefeng, YIN Weiheng   +3 more
doaj  

Short- circuit tests of circuit breakers [PDF]

, 2015
This paper deals with short-circuit tests of low voltage electrical devices. In the first part of this paper, there are described basic types of short- circuit tests and their principles.
Chorovský, P.
core