نتایج جستجو برای: power quality

تعداد نتایج: 1209969  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

2003
A. de Almeida L. Moreira J. Delgado

In this paper, the main Power Quality (PQ) problems are presented with their associated causes and consequences. The economic impacts associated with PQ are characterized. Finally, some solutions to mitigate the PQ problems are presented.

Journal: :IEEE Trans. Industrial Electronics 2000
Steven R. Shaw Christopher R. Laughman Steven B. Leeb Robert F. Lepard

This paper describes two hardware prototypes and estimation schemes for determining the parameters of a simple, physically based, point-of-use electric utility model using transient measurements. Parameters of the utility model are estimated using data collected by the prototypes. Frequency-dependent effects observed in previous work in this area are modeled. Performance of the techniques given...

2004
Satu Viljainen Kaisa Tahvanainen Jukka Lassila Samuli Honkapuro Jarmo Partanen

This paper focuses on the regulation of electricity distribution business. First, regulation principles of natural monopolies are discussed in general level. Second, different methods used to regulate the electricity distribution business in some European countries are introduced. Third, regulatory models used in Finland, Norway and Sweden are discussed in detail. The roles of efficiency benchm...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

even though, to date, a lot of studies have been conducted on the subject of politeness theory, there are very few studies regarding the applicability of this theory to translation between english and persian which shows the reason behind conducting the present study. this study was carried out with the aim of highlighting whether there is any difference between english and persian methods of u...

Journal: :IEEE Trans. Industrial Electronics 2017
Vinod Khadkikar Dianguo Xu Carlo Cecati

Emerging Power Quality Problems and State of The Art Solutions T HIS SPECIAL SECTION is intended to address emerging power quality problems due to integration of largescale photovoltaic and wind systems, concepts of smart grid, vehicle to grid, increased reliance on power electronic devices/equipment in residential, commercial and industrial domains, etc. Further, it aims at providing advanced ...

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