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DG based on wind energy system (WES) has the probabilistic output power relied on natural conditions, the traditional deterministic load flow is not a suitable tool for the analyzing and maintaining distribution system. Aiming at this problem, this paper applies a probabilistic power flow (PLF) method to evaluate the influence of distributed generation with WES. Firstly, the probabilistic model of...
With the continuous effort of exploiting wind energy, a higher penetration of wind power will be integrated into networks in the form of distributed generation. In order to well plan the integration of wind power and the network, the randomness of wind power as well as its influence to the whole distribution networks should be considered. As a result, traditional optimal planning approach for distribution...
Nowadays, the implementation of environmentally-friendly and uncontrollable primary energy sources in the electrical power system production is increasing, introducing abatement in generation dispatchability. The incorporation of high levels of small-scale non-dispatchable distributed generation leads to the transition from the traditional 'vertical' power system structure to a 'horizontally-operated'...
Renewable energy technologies such as wind power and photovoltaic energy are getting attentions from view points of energy conservation and environmental issue. However, fluctuation of output power of renewable energy may cause excess variation of voltage or frequency of the grid. Increase of the amount of renewable energy would violate the quality of the grid. The micro grid in which dispersed power...
Implementation of transmission access arrangements under BETTA, in the UK, has encouraged applications for offers to connect generation to the grid. Network operators have consequently been presented with a vast amount of applications before end of 2004. Boosted by governmental targets of securing 10% of electricity generation from renewable resources by 2010 and 20% by 2020 and widespread public...
Recently, the ATC (Available Transfer Capability) of tie-lines has become a problem under the deregulated environment. On the other hand, many kinds of dispersed generations are being introduced to power systems, and negative influences such as frequency deviations are of concern. Therefore, the introduction of a NAS battery system has been considered in order to control the fluctuation of the total...
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