نتایج جستجو برای: real power losses minimization

تعداد نتایج: 1062065  

Problems with the cost and pollution of fossil fuels have increased the incentive to operate on electric vehicles. However, the use of these vehicles is a challenge due to the additional loads which imposed on the power grid. Accordingly, a method has been proposed to improve the electrical parameters of the network including losses and voltage profiles by optimally managing the charge and disc...

Journal: :Nigerian Journal of Technological Development 2022

This paper aims at power loss minimization and reduction of cost due to losses in the distribution network as well improvement voltage stability profile via optimal shunt capacitor allocation. The allocation was obtained using Whale Optimization Algorithm considering technical (real VSI) economic objective functions sub-optimal may result undesired effects on network. sizes capacitors were plac...

The integration of Distributed Energy Resources (DER) in the distribution network has plenty of advantages if their allocation and Penetration Level (PL) are done appropriately. Hence, the challenge of finding the best allocation and PL of DERs in large distribution networks is an important but intricate problem. This paper proposes a novel methodology to simultaneously determine the optimal lo...

2009
Carlos Barrico Carlos Henggeler Antunes Dulce Fernão Pires

In this paper an approach to robustness analysis in evolutionary multi-objective optimization is applied to the problem of locating and sizing capacitors for reactive power compensation (VAR planning) in electric radial distribution networks. The main goal of this evolutionary algorithm is to find a non-dominated front containing the most robust non-dominated solutions also ensuring diversity a...

2014
N. M. Tabatabaei A. Jafari N. S. Boushehri

Reactive power plays an important role in supporting the real power transfers by maintaining voltage stability and system reliability. It is a critical element for a transmission operator to ensure the reliability of an electric system while minimizing the cost associated with it. The traditional objectives of reactive power dispatch are focused on the technical side of reactive support such as...

Power gating technique reduces leakage power in the circuit. However, power gating leads to large voltage fluctuation on the power rail during power gating mode to active mode due to the package inductance in the Printed Circuit Board. This voltage fluctuation may cause unwanted transitions in neighboring circuits. In this work, a power gating architecture is developed for minimizing power in a...

VAR support should be supplied as close to the load as possible to minimize transmission losses. For voltage control and for improvement of total power factor in a distribution system the circuit- breaker switched capacitor banks can be used. The problems with this solution are the voltage steps caused by the large sizes of the capacitor banks as well as the transients caused on insertion. Thyr...

2014
Alka Yadav

Distributed Generation is the generation of electricity from many small energy sources and is located closer to the user, or customer. This paper presents analytical method to determine the optimal location to place a distributed generation in radial feeder model to minimize the real power loss of the system. The analytical expression and the methodology are based on the power flow method. The ...

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