Pico vs Micro Hydro based Optimized Sizing of a ...
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Pico vs Micro Hydro based Optimized Sizing of a ...
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Available online at www.sciencedirect.com Available online at www.sciencedirect.com
Energy Procedia
Energy Procedia 00 (2011) 000–000 Energy Procedia 14 (2012) 1087 – 1092 www.elsevier.com/locate/procedia
Conference Title
Pico vs Micro Hydro based Optimized Sizing of a Centralized AC Coupled Hybrid Source for Villages in Laos S. Phrakonkhama*,b, G. Remya, D. Dialloa, C. Marchanda Laboratoire de Génie Electrique de Paris (LGEP) / SPEE-Labs, CNRS UMR 8507; SUPELEC, Université Paris-Sud, Université Pierre et Marie Curie P6; 11 rue Joliot Curie, Plateau de Moulon F91192 Gif sur Yvette CEDEX, bFaculty
a
of Engineering, National University of Laos, 01000 Vientiane, Lao PDR
Abstract This paper deals with the design of an electrical supply off-grid for a remote village without access to a utility grid and with very low incomes in Northern Laos. Environmental issues and cost minimization lead to a hybrid system composed of pico/micro hydroelectric turbines, PV panels, a water reservoir as an energy storage device and a backup genset. The annualized least cost of energy is optimized thanks to a genetic algorithm (GA). The forced outage rates (FOR) of pico and micro hydro turbines are taken into account in the optimization process. Finally, the results of the system sizing are presented and compared.
1. Introduction The highest priorities of the socio-economic development strategy to 2020 of the Government of Laos (GoL) are addressing poverty, improving the living standards of the population through economic growth based on the sustainable use of the country’s natural resource base [1]. It is more economical and reasonable to electrify remote areas with an off-grid by means of existing renewable energy sources available locally. For meeting electrical energy demands in rural areas, micro (> 1 kW) hydroelectric turbine is found very often in uses. However, when supplying a small village pico hydro (
