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Due to large numbers of electric vehicles (EVs) are expected to be integrated into Canadian distribution systems, it is important to assess the impact of EV charging on these distribution systems. This paper investigates the effect of EV charging on a distribution network of Hydro Ottawa at a neighborhood level. Real-time distribution system data provided by Hydro Ottawa are implemented for the invesitigation...
Sliding pressure operation for the throttle controlled power generation units was rarely studied in the past, because there is no valve points to set like the nozzle controlled generation units. In this paper, the calculation of the sliding pressure operation for throttle controlled generation units was described, and GateCycle™ physically based computer model for steam turbines and feedwater pumps...
Virtualization allows multiple applications to run on different execution platforms, but sharing the same host machine. A better knowledge of the expected power consumption of computer hosts that run virtualized applications could help to improve capacity planning and optimization of cloud systems that use virtualization for resource management. In this paper, power and performance predictions are...
Microgrids are well-suited for electrification of remote off-grid areas. This paper sketches the concept of a plug-and-play microgrid with a minimum of configuration effort needed for setup. When the load of such an off-grid microgrid grows over the generation capacity and energy storage is not sufficient, demand has to be reduced to prevent a blackout. In order to decide which loads are inessential...
For IT systems, energy awareness can be improved in two ways, (i) in a static or (ii) in a dynamic way. The first way leads to building energy efficient hardware that runs fast and consumes only a few watts. The second way consists of reacting to instantaneous power consumption, and of taking decisions that will reduce this consumption.
The purpose of TAFT fault tolerance studies conducted at CNES is to prepare the space community for the significant evolution linked to the usage of COTS components for developing spacecraft supercomputers. CNES has patented the DMT and DT2 fault-tolerant architectures with 'light' features. The development of a DMT/DT2 testbench based on a PowerPC7448 microprocessor from e2v is presented in this...
The next generation of wireless communication is a ubiquitous radio system concept, providing wireless access from short-range to wide-area, with one single reconfigurable and adaptive system for all envisaged radio environments. This paper presents the design approach of RCO (reconfigurable concurrent oscillator) that simultaneously generates two or more signals of different frequencies that eliminate...
In this paper, we address the issue of transmission power control (TPC) in wireless ad hoc networks. Power control plays an important role in energy saving and network performance enhancement. However, the existing TPC schemes either face the problem of hidden and exposed terminal or have additional hardware requirements. We propose a novel distributed power control protocol, called Receiver Initiated...
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