Designing and Evaluating the Solar Roof Top Plant Interconnectivity System for the Residential Buildings

Abstract

To accomplish the installation of capacity target Solar Roof Top Plants set by Ministry of New Renewable Energy (MNRE) is an absolute essential requirement of installing the Solar Roof Top Plants in India. A salient and efficient system, pre-estimation and anticipation is indispensable. A 91.8 KW system of Solar Roof Top Plant within the 14 Residential Building's is achieved by the using the cloud based Helioscope software. It is designed and located with the help of this software. Increasing the reliability of system by establishing the Interconnectivity.
For the better and efficient energy flow a Hybrid Inverter and a Charge Controller is used. Battery Management System (BMS) is used for smart and efficient storage system. Lithium Ferro Phosphate (LFP) batteries are used to reduce the thermal run-away in batteries. Usage of Bi-directional meter for recording the energy flow bidirectionally. Effectuating the Sub-Metering system for realizing the energy consumption and production of the Residential Solar Roof Top Plant. The performance ratio, annual production and potential energy yield per installed capacity (kWh/kWp) are calculated by using the Helioscope software. Cost Analysis of the system is done to estimated the investment, power production and consumption. Calculated the savings amount, Internal Rate of Return and observed the payback period in 11.965 (i.e. approximately 12 years).