Standby power is electric power that a device consumes when not in present use, but plugged in to a source of power and ready to be used. Present estimates indicate that standby power consumption reaches 10 to 15 percent of total residential electrical use. In this paper, we propose a Host-Agent based standby power control mechanism in home network environment. It uses the IEEE 802.15.4 based Z...

The technical infrastructure is of crucial importance for modern society and electric power supplies are of particular importance. Society's dependence on electrical energy, communications and information technology is increasing. At the same time users, both industry and households, have overconfidence in technical infrastructure functionality and little preparedness for outages in the power n...

Are we ready for more perfect storms? W ith the tragic events of 9/11 permanently etched in our minds, the massive 14 August power outage evoked eerie reminders of what shook our world 2 years ago. While preliminary reports indicate that there was no apparent evidence of terrorism, the cascading blackouts were a sudden illumination of our electricity infrastructure's vulnerable condition. This ...

The Smart Grid concept is conceived as a means to optimize the operation and to improve the reliability of the electric delivery system. As environmental concerns and energy consumption continue to increase, utilities are looking at cost effective strategies for improved network operation and consumer consumption. Smart Grid is a collection of next generation power delivery concepts that includ...

In this study, a method for estimating the efficiency of electric bicycle power train systems consisting typical components, such as an motor, gears, sprockets, and chains is presented. order to calculate system, relationship between drive motor torque road-load that exerted on rear wheel was derived, considering kinematic inertia effects friction losses transmission elements. Among factors inf...

Distributed Energy Resources (DERs) including solar photovoltaics (PV), electric storage and electric vehicles, demand response, combined heat and power, wind, fuel cells, and micro-turbines are typically installed on the low or medium voltage distribution network. Changes on the distribution network can have rippling effects throughout the rest of the power system. In this paper, we have calcu...

A filtering power divider/power combiner based on half mode substrate integrated waveguide technology for high power applications is proposed. This design includes one half mode substrate integrated waveguide cavity, one matched load, and four sections of quarter-wavelength transmission lines. The high isolation between output ports is obtained by combining the half mode substrate integrated wa...