Monitoring and Controlling The Hybrid System Using The Internet Of Things For Energy Transaction

Sulton Ari Wibowo, Dyah Lestari


The electrical energy is an energy that is needed by the people. The
electrical energy, to date, came from several power plants, such as
electric steam power plants and diesel power plants. The community
must pay the service provider, such as the State Electricity
Company (PLN) with a rising cost, to obtain electrical energy.
However, there were other alternative energies, for example, solar
power plants and windmill power plants. The hybrid system is a
combination of two or more different energy sources to meet the
demand. The hybrid system was also expected to solve the problem
that might arise in utilizing other energies, the site condition, and
the unpredicted situation on the power plant. The solution to these
problems was a hybrid using a monitoring device with ACS 712
sensor current parameter, ZMPT101B voltage sensor, LDR solar
sensor, hybrid electrical energy power, controller for four electrical
source inputs and three electrical sources for the output load. The
device used Arduino Mega 2560 for data processing, ESP 8266 as
the module to connect the device to the internet network and relay
as the control actuator. Monitoring and controlling the device used
the internet network and the implementation of the Internet of
Things (IoT) on the hybrid system plants (PLN, generator, solar
power plant, windmill power plant) that was integrated into the
website. The overall test resulted in the comparison average error
value between the device and the measuring instrument of the
current, voltage, and power. The test also resulted in the average
error value of the response time for the four input contacts and three
output contacts. The average error value of the current was 2.13%,
the average error value of the voltage was 0.7%, and the average
error value from the power parameter was 0%. Meanwhile, the
average error value of response time was 0.23 seconds. Based on
the above results, it can be concluded that the monitoring and
controlling system from the website with the implementation of the
IoT in the hybrid power system was worked following the design.

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