Design and Sizing of Decentralized Grid-Connected Solar Power Plant

Power demand of the country is mostly met through conventional plant which generates bulk amount of power centrally. Power generation using photovoltaic (PV) technology is very promising in terms of power generation ranging from kWs to MWs and helps to gr

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Abstract Power demand of the country is mostly met through conventional plant which generates bulk amount of power centrally. Power generation using photovoltaic (PV) technology is very promising in terms of power generation ranging from kWs to MWs and helps to great extent increasing the installed capacity and can help electric utility companies in meeting increasing load demand along with minimizing distribution losses. The concept of grid-connected solar PV system is mounted on vacant unutilized area of commercial buildings; small-scale industry rooftops are likely to add to generation capacity and thus meet renewables portfolio standard targets of utility. This paper analyzes and designs a PV array and defines inverter sizes for a grid-connected PV system. The proposed site selected is Zirakpur (Punjab) with latitude 30.40° N and longitude 76.50° E. Various inputs like peak power, module voltage, global irradiance and tilt angle are given, and a detailed report on the losses of PV array as well as the inverter are obtained using software PVsyst. Keywords Photovoltaic

 Grid-connected  PVsyst software

1 Introduction Due to industrial growth and urbanization the power demand is increasing day by day. Addressing to this ever-increasing energy need and power security challenge and to provide ecologically sustainable growth, Government of India had launched Jawaharlal Nehru National Solar Mission during 2010–2011, under the novel initiative of Government of India and state Governments, setting up of small-scale to large-scale solar photovoltaic off-grid as well as grid-connected plants are proposed. Vineet Mediratta (&)  Kamal Bansal  Piyush Kuchhhal UPES, Dehradun, India e-mail: [email protected] Vinay Chandna JECRC, Jaipur, Rajasthan, India © Springer Science+Business Media Singapore 2017 R. Singh and S. Choudhury (eds.), Proceeding of International Conference on Intelligent Communication, Control and Devices, Advances in Intelligent Systems and Computing 479, DOI 10.1007/978-981-10-1708-7_85

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This not only will add to capacity but will also contribute toward global effort to meet the challenges of climate change. By this implementation installation of solar plants, both standalone and grid-connected plants are encouraged to be set up both at centralized level as well as decentralized level. This will help solar technology penetration in the country along with capacity addition under renewable energy portfolio. The unit price for power generated from standalone photovoltaic (PV) plants is quite high; however, grid-connected power is produced at a rate slightly higher than the commercial tariff charged from consumers by distribution companies, i.e., DISCOMS, but with the advancement of semiconductor technology and improvement in panel design the cost of solar power is on the decline trend while the unit cost of energy is obtained from conventional fossil fuel plants which is increasing day by day.

2 Solar Photovoltaic Energy Among the various sources of renewable ene