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Mashhad Electric Energy Distribution Company (MEEDC) has designed and implemented the first local micro-grid in Mashhad which is called “MehrSun”. This article presents the performance analysis and result assessment of Mehrsun after working for one year. Different micro-grid elements and the connections with local power network are explained and the level of home automation which is implemented for...
In Japan, the liberalization of the electricity retail market is starting in April 2016. Consumers will be able to choose the retail electric suppliers from which to buy. In Germany which domestic electricity market was fully liberalized in 1998, Stadt Werke (local power companies) has maintained more than 20% of the retail electric market share. We studied the feasibility of a regional energy business...
In the power packet dispatching system, electric power is transferred with information tags attached physically. An application of the system to robots can enable flexible and efficient power management with a dynamically varying powerline connection between power sources and loads. In this paper, a numerical simulation verifies the achievement of a trajectory control of a manipulator by power packets...
This paper discusses the common Line Powering standards for safety with their advantages and their drawbacks. It also discusses the effects of electrical shock and risk of ventricular fibrillation on humans and the two types of faults that can occur with RFT-V line powering. Based on the standards for the effects of current on human beings and livestock, two flowcharts are developed to help unify...
Supply of power is an increasing cost factor in the operation of base transceiver stations (BTS). Selecting the optimized power system for a set of site requirements is key to minimize total cost of ownership (TCO). In this paper we show how dimensioning of a power system through combined technical and commercial simulation helps to optimize the system configuration. The savings on fuel and diesel...
This paper proposes droop control for Multi-Level Virtual Conductor (MLVC). This control method aims at overcoming the problem that circulating current flows when MLVC constitutes a mesh connection. Generally, the voltage difference between the terminals of any conductor is zero volts. However, MLVC can keep the voltage difference between the converter terminals constant at a certain value. In this...
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