Abstract
In recent years, renewable types of distributed generation in the distribution system have been much appreciated due to their enormous technical and environmental advantages. This paper proposes a methodology for optimal placement and sizing of renewable distributed generation(s) (i.e., wind, solar and biomass) and capacitor banks into a radial distribution system. The intermittency of wind speed and solar irradiance are handled with multi-state modeling using suitable probability distribution functions. The three objective functions, i.e., power loss reduction, voltage stability improvement, and voltage deviation minimization are optimized using advanced Pareto-front non-dominated sorting multi-objective particle swarm optimization method. First a set of non-dominated Pareto-front data are called from the algorithm. Later, a fuzzy decision technique is applied to extract the trade-off solution set. The effectiveness of the proposed methodology is tested on the standard IEEE 33 test system. The overall results reveal that combination of renewable distributed generations and capacitor banks are dominant in power loss reduction, voltage stability and voltage profile improvement.
Highlights
IntroductionThis is due to population growth, urbanization and extensive development of industrial zones
This paper proposes the time-varying, seasonal optimal placement and sizing of intermittent and non-intermittent renewable energy with capacitor banks for optimal planning of radial distribution systems
The seasonal output power of these intermittent distributed generation (DG), non-intermittent DG and capacitor banks are proposed in the seasonal load curve
Summary
This is due to population growth, urbanization and extensive development of industrial zones. Power companies are facing major challenges in the generation of electrical power and its delivery. The generation of electrical power is mostly through conventional fuels which are detrimental to the environment and its delivery is through transmission lines which are transmitting power at maximum capacity. The interest of power enterprises are towards utilizing the alternative mean of power generation called renewable power generation or renewable distributed generation (DG). The wind, solar and biomass are the prominent renewable DGs used worldwide for power generation. Reports the highest worldwide grid-connected DG of 10 GW via solar PV, and Northwest Ireland shows 307 MW connected via wind DG to its distribution system [2]
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