Dynamic Modeling and Simulation of an Isolated Hybrid Power System in a Rural Area of China

Iqbal, Tariq and Jiang, Bojian (2018) Dynamic Modeling and Simulation of an Isolated Hybrid Power System in a Rural Area of China. Journal of Solar Energy, 2018. ISSN 2314-6230

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In some rural areas in the northwest of China, people are suffering from not only the voltage drop due to long distance transmission but also the power outages due to remoteness and poorly maintained grid. In recent few years, the price of solar energy has been reduced drastically every year in China due to the government policy on renewable energy. In the near future, isolated hybrid power systems for home use could be affordable and used by residences in these rural areas. Thus, it is necessary to design a hybrid power system based on local load and weather condition to check system feasibility and expected performance. It includes load simulation, system sizing, and dynamic system modeling and simulation. This paper firstly introduces current development of renewable energy in China and then goes through the sizing, modeling, and simulation of the system design for a typical remote home in China and finally discusses the system’s availability based on the simulation results. In this paper, the NASA website is the source for weather data, and BEopt is used to generate load data. During system modeling, the MPPT algorithm is much simpler designed than the complex incremental method. A soft starter is adopted with the diesel generator for stability. The charge controller of the battery storage provides external command to the MPPT and diesel PID controller to prevent the battery storage from overcharging. The rms value of the fundamental load voltage is used in the voltage control loop of the inverter.

Item Type: Article
URI: http://research.library.mun.ca/id/eprint/14636
Item ID: 14636
Department(s): Engineering and Applied Science, Faculty of
Date: 3 June 2018
Date Type: Publication
Digital Object Identifier (DOI): https://doi.org/10.1155/2018/5409069
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