DESIGN OF ENERGY-SAVING SOLAR ENERGY LAMP (LTSHE) CONTROL SYSTEM WITH PULSE-WIDTH MODULATION (PWM) METHOD FOR 3T REGIONS IN INDONESIA

• Main Author: Setyawan, Wahyu
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/39727
• Institution: Institut Teknologi Bandung

As a large developing country, Indonesia still faces many problems in its development. As an archipelagic country, many islands are not yet interconnected by electricity because of the large amount of investment that Indonesia must provide in a short time. The government launched a pre-electrification program in 2017 to increase the electrification ratio by providing Energy Saving Energy Lamps (LTSHE) for disadvantaged areas. This LTSHE system has been distributed throughout the country and still uses manual control to control the light intensity. This study has a focus on developing an LTSHE prototype with automatic control for LED dimmers using a microcontroller with PWM modulation to improve system efficiency and avoid battery damage due to overuse. The results of this study are automatic control with PWM modulation that able to dim the lighting on LED lights. Automatic control is able to protect the battery from the potential for excessive use which causes a reduced battery life. Control by the PWM method can minimize ohmic losses, with relatively lower transmission losses.