Author(s): Muhammad Suyanto, Adhitya Wisnu Jatmiko, Beny Firman
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 6 - Issue. 03 , March - 2017
Electricity is the primary energy needs of the community. Depletion in this energy led the electrical energy crisis. Thus renewable sources of energy become attractive nowadays not only in Indonesia but also worldwide. As tropical country, Indonesia has solar energy potential that can be developed for solar power plant. Indonesia receives sunlight for an average 7 to 8 hours a day. However, the potential is not yet been optimally explored. In this work, micro-scale solar power plant (PLTS) with capacity of 900 watt is tested, The plant uses solar panel 2x50 Wp, solar charger controller 12 volt, 10 ampere, and deep-cycle battery of 100 Ah. The test is conducted in the field, hence the real performance of the plant can be observed. Power output of the PLTS is used for rural village information system which consists of amplifier and loudspeaker. The existence of PLTS is important for rural village. Indonesia receives sunlight in average of 7-8 hours/day. Measured voltage, current, solar intensity at normal climate are 13.26-18.73 volt, 0.23-4.52 ampere, 25000-118500 lux, respectively. Maximum calculated power output is found to be 83.40 watt whereas average solar panel output is 371.07 watt, thus conversion efficiency is 97%. Charging power from PWM solar charger controller is an average of 227.44 watt and total discharging power is 167.96 watt means that efficiency of 89% is obtained.
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