Hybrid electric supply system for Baikalskoe village

Abstract

At present time a conventional solution for electricity supply is to set up an overhead transmission line from the nearest substation. Baikalskoe village is connected to centralized electricity grid via single-circuit transmission line with length of more than 35 km and nominal voltage of 10 kV. However, in order to avoid high power and voltage losses which do affect quality of electricity supplied, recommended voltage class for such a length should be at least 35 kV. To follow the conventional solution it is necessary to switch to a higher voltage power line. Considering the fact that there are two main types of line supports, it falls into alternatives with application of either steel or reinforced concrete poles. There are some exceptions which require nonconventional solutions like a construction of a hybrid electric power supply system which. In this particular case such a system should combine centralized power supply with local generation based on renewables. In this work, the conventional and nonconventional solutions for electricity supply in Baikalskoe village are compared. In Statement of the problem section, quality and transmission issues of Russia's rural areas in general and Baikalskoe village in particular are described. Then, in Chapter 1, renewable energy sources are discussed in global and local scales. Potential of renewables available in the region are estimated there. Based on these estimations, the type of power plant is proposed. In Chapter 2, parameters of power plant are estimated. The relationship between generation and weather conditions are discussed. The necessary number of power plant equipment is calculated. Finally, in Chapter 3, conventional and nonconventional solutions are compared in terms of economic efficiency. Cost and benefit analysis of different alternatives is performed. Based on it, the optimal solution is recommended.

At present time a conventional solution for electricity supply is to set up an overhead transmission line from the nearest substation. Baikalskoe village is connected to centralized electricity grid via single-circuit transmission line with length of more than 35 km and nominal voltage of 10 kV. However, in order to avoid high power and voltage losses which do affect quality of electricity supplied, recommended voltage class for such a length should be at least 35 kV. To follow the conventional solution it is necessary to switch to a higher voltage power line. Considering the fact that there are two main types of line supports, it falls into alternatives with application of either steel or reinforced concrete poles. There are some exceptions which require nonconventional solutions like a construction of a hybrid electric power supply system which. In this particular case such a system should combine centralized power supply with local generation based on renewables. In this work, the conventional and nonconventional solutions for electricity supply in Baikalskoe village are compared. In Statement of the problem section, quality and transmission issues of Russia's rural areas in general and Baikalskoe village in particular are described. Then, in Chapter 1, renewable energy sources are discussed in global and local scales. Potential of renewables available in the region are estimated there. Based on these estimations, the type of power plant is proposed. In Chapter 2, parameters of power plant are estimated. The relationship between generation and weather conditions are discussed. The necessary number of power plant equipment is calculated. Finally, in Chapter 3, conventional and nonconventional solutions are compared in terms of economic efficiency. Cost and benefit analysis of different alternatives is performed. Based on it, the optimal solution is recommended.