ABSTRACT
Energy efficiency is one of the seventeen sustainable development
goals defined by the UN in the 2030 agenda. Therefore, to achieve
this goal, the amount of information accessible to consumers is
an important factor in the management of energy resources. It is
mandatory that homes are equipped with energy meters, however,
in Brazil, almost all users only have information on the total energy
consumption available - often estimated at the end of each month.
This article proposes a prototype for electric energy monitoring of
the Smart Meter type, with the IoT concept. In the current version,
the system implements the following features: measurement of
voltage, current, frequency, calculation of active, reactive, apparent
power, power factor, energy consumption, real-time total cost and
recording of this data in memory and in the cloud. The developed
system uses WiFi communication technology, so that data can be
transmitted and interpreted by devices that work with this standard,
through a remote WEB application hosted on an AWS service. The
system requirements were met when designing the prototype to
provide accurate current and voltage measurements as well as
providing instantaneous, transparent and historical consumption
data on electrical energy usage.