نتایج جستجو برای: electric power transmission network

تعداد نتایج: 1409337  

This study is an applied study conducted to evaluate and compare the efficiency of Iran's regional power companies using conventional and network Data Envelopment Analysis methods. Iran's regional power companies use two- phased process to transmit power. Using applied approach, the performance and efficiency of these companies were measured with network and conventional methods, and they were ...

Journal: :international journal of smart electrical engineering 2012
ali mansouri nosratollah mohammad beigi rahmat aazami amin omidian ehsan mohamadian

with the development of deregulated power systems and increase of prices in some hours of day and increase fuel price, demand response programs were noticed more by customers. demand response consists of a series of activities that governments or utilities design to change the amount or time of electric energy consumption, to achieve better social welfare or some times for maximizing the benefi...

2007
Dmytro Matsypura Anna Nagurney Zugang Liu

The electric power industry in the United States and in other countries is undergoing profound regulatory and operational changes. The underlying rationale behind these transformations is to move once highly monopolized vertically-integrated industry from a centralized operation approach to a competitive one. The emerging competitive markets and an increase in the number of market participants ...

2017
Ting-Chia Ou Kai-Hung Lu William Holderbaum

This paper endeavors to apply a novel intelligent damping controller (NIDC) for the static synchronous compensator (STATCOM) to reduce the power fluctuations, voltage support and damping in a hybrid power multi-system. In this paper, we discuss the integration of an offshore wind farm (OWF) and a seashore wave power farm (SWPF) via a high-voltage, alternating current (HVAC) electric power trans...

2011
Ben Elliston Iain MacGill

Many sites of high solar insolation in Australia are located far from major load centres, and it is likely that the siting of future solar power plants in Australia will necessitate extensive transmission infrastructure. The unique generation profile of solar electric plants limits the utilisation of dedicated transmission lines rated to the peak output of a plant. If a plant is oversized for a...

2013
Chien-Ning Yu

The electric power industry in the United States is in the midst of a dramatic transformation toward a deregulated structure. Transmission line imposed constraints have been viewed as one of the main obstacles to opening transmission access and creating free electricity markets across large geographical areas. This thesis presents a systematic framework for managing transmission system congesti...

2009
P. PAO-LA-OR A. ISARAMONGKOLRAK

This paper proposes a mathematical model of electric and magnetic fields caused by high voltage conductors of electric power transmission systems by using a set of second-order partial differential equations. This study has considered the effect of conductor phase-sequence orientation on electromagnetic fields emitted around a double-circuit, extra high-voltage, power transmission line. Five ty...

2016
Hatim Ghazi Zaini

31 Abstract—The electric and magnetic fields are originated by the alternating currents in the power transmission lines and known as electromagnetic fields (EMFs). The voltage is responsible for generating the electric field and the magnetic field produces by the current that flows in the transmission lines. Many epidemiologic studies in last decades focus on the effect of the continuous and oc...

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