Results 31 to 40 of about 2,988,930 (294)

Derivation and Application of a New Transmission Loss Formula for Power System Economic Dispatch

open access: yesEnergies, 2018
The expression and calculation of transmission loss (TL) play key roles for solving the power system economic dispatch (ED) problem. ED including TL must compute the total TL and incremental transmission loss (ITL) by executing power flow equations ...
Wei-Tzer Huang   +7 more
doaj   +1 more source

Recent Advances in Real-Time Load-Pull Systems [PDF]

open access: yes, 2008
In this paper, some of the latest advances in real-time load-pull technologies will be described. A recently introduced ultralow-loss directional coupler, which has been designed and realized by the authors, provides a number of advantages when used in ...
Ferrero, Andrea Pierenrico   +2 more
core   +1 more source

Reactive power planning with FACTS devices using gravitational search algorithm

open access: yesAin Shams Engineering Journal, 2015
In this paper, Gravitational Search Algorithm (GSA) is used as optimization method in reactive power planning using FACTS (Flexible AC transmission system) devices.
Biplab Bhattacharyya, Sanjay Kumar
doaj   +1 more source

Improved Real-Power Loss Minimisation

open access: yesNigerian Journal of Technology, 2012
The problem of the reactive control of a power system is formulated as a static optimisation technique to ensure the minimisation of the real-power system losses by controlling the switchable reactive power sources, generator terminal voltages, transformer tap ratios and phase shiftet's.
openaire   +2 more sources

Optimal scheduling of microgrids considering real power losses of grid-connected microgrid systems

open access: yesFrontiers in Energy Research
Energy conservation, emission reduction and vigorous development of new energy are inevitable trends in the development of the power industry, but factors such as energy storage loss, solar energy loss and line loss in real power situations have led the ...
Shengbo Sun   +5 more
doaj   +1 more source

Feedback Control Strategy for Transient Stability Application

open access: yesEnergies, 2022
Power systems are subjected to a wide range of disturbances during daily operations. Severe disturbances, such as a loss of a large generator, a three-phase bolted fault on a generator bus, or a loss of a transmission line, can lead to the loss of ...
Samuel T. Ojetola   +2 more
doaj   +1 more source

28 GHz Microcell Measurement Campaign for Residential Environment

open access: yes, 2017
This paper presents results from the (to our knowledge) first double-directionally resolved measurement campaign at mm-wave frequencies in a suburban microcell.
Bas, C. Umit   +7 more
core   +1 more source

Bayesian Credibility for GLMs [PDF]

open access: yes, 2018
We revisit the classical credibility results of Jewell and B\"uhlmann to obtain credibility premiums for a GLM using a modern Bayesian approach. Here the prior distributions can be chosen without restrictions to be conjugate to the response distribution.
Garrido, José   +1 more
core   +2 more sources

DECREASE OF REAL POWER LOSS BY ADAPTED ALGORITHM

open access: yesInternational Journal of Research -GRANTHAALAYAH, 2018
In this paper, Adapted Flower Pollination (AFP) algorithm is proposed to solve the optimal reactive power problem. Flower pollination algorithm has been improved by comprising of the elements of chaos theory, Shuffled frog leaping search and Levy Flight.
openaire   +2 more sources

REDUCTION OF REAL POWER LOSS BY UNIFIED ALGORITHM

open access: yesInternational Journal of Research -GRANTHAALAYAH, 2017
In this paper, we propose a new Unified Algorithm (UA) by combination of Variable mesh optimization algorithm (VMO) with Differential Evolution (DE) for solving reactive power problem. VMO has mainly three search operators, one for global exploration and two for local optima exploitation. DE is a simple yet commanding evolutionary algorithm for solving
openaire   +2 more sources

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