نتایج جستجو برای: electricity distribution network

تعداد نتایج: 1269588  

In this paper, the integrated unit commitment problem and gas network operation in which in the presence of renewable wind and solar power plants is modeled. Both wind and solar energy are variable sources of energy, but because solar energy is only available at certain times of the day, it has caused the load curve behavior to change. This change in load curve, known as the "duck curve, has ra...

ژورنال: :مجله تحقیقات اقتصادی 2012
رحمان خوش اخلاق مصطفی عمادزاده علیمراد شریفی مهدی صادقی شاهدانی علی ناظمی

in most of the developing countries, particularly in asian countries, the initial step of electricity industry restructuring has begun by spot market design. in addition, electricity industry, all around the world, is approaching competitive markets. meanwhile there are many unanswered questions including deregulation mechanism. in this new framework, producers are considered as private compani...

Esfandeh, Mohammad Amin ,

Abstract: Load balancing and phase balancing are important complement to reconfiguration of the feeder and the network.In the distribution automation ,these issues must be solved continuously and simultaneously to ensure the optimal performance of a distribution network.Distribution network imbalance has various consequences such as increase in power losses, voltage drop,cost increase,etc.In th...

2013
Johan Koskinen Alessandro Lomi

We study the evolution of the network of foreign direct investment (FDI) in the international electricity industry during the period 1994–2003. We assume that the ties in the network of investment relations between countries are created and deleted in continuous time, according to a conditional Gibbs distribution. This assumption allows us to take simultaneously into account the aggregate predi...

Journal: :Annual Reviews in Control 2010
Pertti Järventausta Sami Repo Antti Rautiainen Jarmo Partanen

This paper discusses on general aspects of smart grids and focuses on some smart grid features at distribution level like interconnection of distributed generation and active distribution management, using automated meter reading (AMR) systems in network management and power quality monitoring, application of power electronics in electricity distribution, plug-in vehicles as part of smart grids...

2009
Satish Kumar Injeti Prema Kumar

Power distribution system in the country is characterized by high power losses, poor reliability of supply, frequent equipment burnouts etc. The traditional approach in electric power generation is to have centralized plants distributing electricity through an extensive transmission & distribution network. Distribution generation (dg) provides electric power at a site closer to the customer, el...

2010
N. O. Ogano L. Pretorius

Pressure from the Government of Kenya to have citizens connected to electricity as a means of improving their standard of living has resulted in a focus on the electricity utilities to expand the power distribution network. Contractors have therefore been approved to expedite the process. This has, however, resulted in sub-standard work being done by some of the contractors. The main objective ...

2016
Sharon Young Iain MacGill Anna Bruce

The planning and operation of electricity industries has traditionally been highly supply-side focused, with electricity demand often treated as entirely exogenously driven. As such, efforts to manage the demand side have generally been limited to relatively minor amounts of network and market-driven demand response and energy efficiency programs. Interest in, and the ability to manage, what is...

In power grids, there must always be a balance between energy production and consumption. Due to the variable nature of consumers, energy production should also be subject to these changes. Electricity storage is one of the most important issues in the electricity industry, which can generate many ancillary services such as load curve leveling, peak shaving, integration with renewable units, ro...

2012
S. Ali N. Pearsall

The connection and use of Renewable Energy Sources (RES) such as Grid-Connected Photovoltaic (GCPV) systems in distribution networks have been increasing over the last few decades. The grid-connected PV system is one of the most promising renewable energy solutions which could offer many benefits to both the end user and the utility network. Such systems may cover the consumer’s own power deman...

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