نتایج جستجو برای: smart grids
تعداد نتایج: 92392 فیلتر نتایج به سال:
In order to increase the efficiency in the use of energy resources, the electrical grid is slowly evolving into a smart(er) grid that allows users' production and storage of energy, automatic and remote control of appliances, energy exchange between users, and in general optimizations over how the energy is managed and consumed. One of the main innovations of the smart grid is its organization ...
This article reviews different kinds of models for the electric power grid that can be used to understand the modern power system, the smart grid. From the physical network to abstract energy markets, we identify in the literature different aspects that co-determine the spatio-temporal multilayer dynamics of power system. We start our review by showing how the generation, transmission and distr...
The paper outlines energy management concepts and the smart grid evolution. The necessity of considering energy management as a crucial innovation in load supplying to permit a more powerful penetration of renewable energy usage at the building and city level and to perform energy savings and CO2 emissions reduction is pointed out. The driving factors to enhance the current power distribution a...
SmartGrids use Information and Communication technology to underpin the network’s infrastructure and performance, placing at the same time a particular emphasis on the demand-side, which requires both to better understand the behaviour of energy consumers and get energy consumers to understand better the e↵ects of their behaviour on the grid. We are investigating Serious Games as an innovative ...
The integration of distributed generation causes an increase of the voltage magnitude in low voltage grids. In addition to classical grid expansion distribution system operators have various options at their hands to reduce the voltage rise, e.g. by installing distribution transformers with on-load tap changers or voltage regulators. But for efficient control the network operators need informat...
The implementation of intelligent power grids, in form of smart grids, introduces new challenges to the optimal dispatch of power. Thus, optimization problems need to be solved that become more and more complex in terms of multiple objectives and an increasing number of control parameters. In this paper, a simulation based optimization approach is introduced that uses metaheuristic algorithms f...
Today, smart grids are one of the important topics in the field of electrical engineering. In this paper, after identifying the communication layers among the components of a smart home in the introduction, some of the most important communication protocols ruling will be abbreviately discussed over the smart homes. Then, applying the household electrical load management program by smart homes,...
In smart power grids, keeping the synchronicity of generators and the corresponding controls is of great importance. To do so, a simple model is employed in terms of swing equation to represent the interactions among dynamics of generators and feedback control. In case of having a communication network available, the control can be done based on the transmitted measurements by the communication...
A smart electric power grid increases the connectivity, automation and coordination between generating plants, the networks and consumers by intelligent use of information. This paper focuses on the generation, transmission and distribution parts of the grid. These networks are nonlinear non-stationary stochastic systems and have expanded to become too complicated for humans to operate safely d...
This paper deals with hierarchical model predictive control (MPC) of smart grid systems. The design consists of a high level MPC controller, a second level of so-called aggregators, which reduces the computational and communication-related load on the high-level control, and a lower level of autonomous consumers. The control system is tasked with balancing electric power production and consumpt...
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