D, Hemanth Kumar and Sharma, G V V
(2018)
Energy Monitoring and Analysis for 3 phase
systems.
Masters thesis, Indian Institute of Technology Hyderabad.
Abstract
Nearly 26% of energy consumption in India is from commercial buildings. Also, as per US energy
information agency, commercial building energy consumption is growing at 2.7% rate every year in
India. Because of not having proper energy monitoring systems, most of the energy consumption
in buildings is going into waste. In this regards this thesis presents a solution for building energy
monitoring and analysis on the data obtained from the 3 phase energy monitoring. The data for
energy monitoring is obtained using Multi Functional Meter, which measures electrical qualities like
voltage,current,powers etc. The meter supports RS 485 communication, which is used to collected
the data from the meter. First, by monitoring the collected data, sending an alert mail to the
respective employee to avoid the overloading of power cables is presented. Secondly, data analysis
on the obtained data are presented. In the analysis of the data some factors like load factor,
Unbalance factor, rise time, high load duration period are calculated from the obtained load curve.
These parameters will help the building operator or manager in proper utilization of the energy
consumption of a commercial building. Thirdly, interfacing multi functional meter with arduino is
proposed in order to get full control over the meter. For validation the proposed solution is applied
to a commercial IITH building and the results are presented.
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