Results 41 to 50 of about 1,060 (162)
Derivation detection algorithm for single-phase circuit voltage sags
Gong-kuang zidonghua, 2014 In view of problem that common detection method of single-phase circuit voltage sags has huge calculated amount and its accuracy of detection result may be affected by unsynchronized signals, a derivation detection algorithm was proposed.
LI Xinian, WANG Yanwe
doaj +1 more source
Kongzhi Yu Xinxi Jishu, 2012 Power quality is becoming more and more important for modern manufacture and process control industries, any voltage sags and momentary interruptions on the power supply voltage lasting more than a few cycles will bring massive economic loss.
JING Ping +3 more
doaj
Compansation of Electrical Voltage in Distribution System by Dynamic Voltage Restorer
JAREE (Journal on Advanced Research in Electrical Engineering), 2019 Electrical ac power systems consist of generation systems, transmission and distribution networks. The large three phase industrial loads at various distribution and transmission voltages as well as single-phase residential and commercial loads are ...
Soe Soe Ei Aung, May Phone Thit
doaj +1 more source
Revista UIS Ingenierías, 2018 Voltage sags have a high impact on the proper equipment operation and the electric power end-user processes continuity. Economic losses are a growing problem for the electric utilities, regulators and electric energy final customers and therefore, the ...
Jairo Blanco-Solano +4 more
doaj
International Journal of Electrical Power & Energy SystemsVoltage sags often disrupt the normal functioning of sensitive equipment and distributed generators (DGs), making voltage sag mitigation based on corresponding assessments crucial. Voltage sag characteristics, including voltage magnitude and sag duration,
Xian-yong Xiao +3 more
doaj +1 more source
Voltage Sags Matching to Locate Faults for Underground Distribution Networks
Advances in Electrical and Computer Engineering, 2011 A voltage sags matching to locate a fault for underground distribution network is presented in this paper. Firstly the method identifies the faulted section by matching a voltage sags measured at the primary substation during a fault with pre-developed ...
BAKAR, A. H. A. +3 more
doaj +1 more source
Eletrônica de Potência, 2006 This paper presents a system that provides photovoltaic generation as well as the ability to compensate current harmonics and voltage sags. The system can be controlled for current harmonics and reactive power compensation simultaneously by using a ...
Marcelo Cabral Cavalcanti +5 more
doaj +1 more source
Feed-Forward Control Strategy for the VSC of DVR for Smooth and Clean Power Flow to Load [PDF]
Mehran University Research Journal of Engineering and Technology, 2012 VSC (Voltage Source Converter) feed-forward control strategy of DVR (Dynamic Voltage Restorer) for an in-phase voltage injection scheme is proposed in this paper to tackle not only voltage sags and swells in the utility supply but also phase jumps as ...
Aamir Hanif +2 more
doaj
IEICE Electronics Express, 2010 This paper implements two main works. First, a new voltage-sag detection technique based on phase-angle analysis is proposed. It is simple to implement and able to detect and compensate sag the moment it occurs. Second, a new topology of voltage sag compensator is introduced.
Nasrudin Abd. Rahim, Muhamad Bin Mansor
openaire +2 more sources
Research on the Impacts of Voltage Sag to Lighting Fixture
Kongzhi Yu Xinxi Jishu, 2011 Based on ms level voltage sag generator, the performances on voltage sags of lamps occurred in different amplitudes, phase angles, durations are researched.
于希娟, 李洪涛, 赵贺
doaj