Results 21 to 30 of about 7,671,034 (245)

Optimal reconfiguration and reactive power planning based fractal search algorithm: A case study of the Algerian distribution electrical system

open access: yesEngineering Science and Technology, an International Journal, 2019
Reactive power planning of distribution power system is an important task for expert and industrials to ensure power quality delivered to consumer in particular at critical situations such as load growth and faults.
Belkacem Mahdad
doaj   +1 more source

Reduction of Technological Power Consumption at the Expense of Rational Transfer of Reactive Power in Power Engineering System

open access: yesНаука и техника, 2003
The paper presents definition of the problem and description of the algorithm concerning optimum planning of reactive power of electric power stations of the power engineering system.The algorithm of the problem solution is developed with due account of ...
O. I. Alexandrov, D. G. Goriachko
doaj   +1 more source

The role of power system flexibility in generation planning [PDF]

open access: yes, 2011
Paper presented at the IEEE 2011, Power and Energy Society General Meeting, San Diego, CA, 24-29 July 2011As the penetration of variable renewable generation increases in power systems worldwide, planning for the effects of variability will become more ...
Eamonn Lannoye   +6 more
core   +1 more source

Optimal allocation and sizing of dynamic VAR support to improve short-term voltage stability considering wind farm and dynamic load model [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2018
Nowadays short-term voltage instability is a major threat for power system reliability and stability owing to the increasing proportion of renewable energy sources such as solar and wind power, induction motor loads, HVDC links and etc.
Parnian Fakhrooeian   +2 more
doaj   +1 more source

EVALUATION OF EFFECT OF REACTIVE POWER CONTROL STRATEGY BASED ON VOLTAGE TERMINAL OF GENERATORS ON LIMIT INDUCED BIFURCATION AND DYNAMIC VOLTAGE STABILITY MARGIN [PDF]

open access: yesمجله مدل سازی در مهندسی, 2013
Reactive power limit of power system generators has a significant effect on the static voltage stability margin such as maximum load ability point and dynamic voltage stability margin such as HB, LIB and SNB.
M.H. Velayati, N. Amjady, I. Khajevandi
doaj   +1 more source

FACTS placement for reactive power planning with weak node constraints using an improved symbiotic search algorithm

open access: yes, 2023
In this paper, an economically feasible and reliable operation of the IEEE 57 bus system for Optimal Power Flow (OPF) is proposed. The Improved Symbiotic Organisms Search (ISOS) algorithm is proposed for effective reactive power planning as an OPF issue.
Gupta, Vikash Kumar   +2 more
core   +2 more sources

Optimal Reactive Power Planning Using Risk Analysis

open access: yes, 2013
In this paper, the optimal reactive power planning problem under risk is presented. The classical mixed-integer nonlinear model for reactive power planning is expanded into two stage stochastic model considering risk. This new model considers uncertainty
Mantovani, J. R. S. [UNESP]   +11 more
core   +1 more source

Planning reactive power control for transmission enhancement [PDF]

open access: yes, 2007
Sufficient controllable reactive power resources are essential for reliable operation of electric power systems. Inadequate reactive power support has led to voltage instability and has been a cause of several recent major power outages worldwide ...
Liu, Haifeng
core   +1 more source

Dynamic reactive power planning method for CSP-PV hybrid power generation system

open access: yesJournal of Measurement Science and Instrumentation, 2020
Aiming at the faults of some weak nodes in the concentrated solar power-photovoltaic(CSP-PV) hybrid power generation system, it is impossible to restore the transient voltage only relying on the reactive power regulation capability of the system itself ...
ZHANG Hong   +4 more
doaj  

Risk analysis of power systems for both real and reactive power

open access: yesJournal of Modern Power Systems and Clean Energy, 2013
With the high penetration of renewable energy sources, the reliability of power systems becomes more vulnerable than ever because of the greater uncertainty and intermittence in power generation. Reactive power plays an important role in the power system
Wenping Qin   +3 more
doaj   +1 more source

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