I.
Topic
Solar Power Bank Used As Alternative Charger For All Gadgets That Has USB Cables.
II. Statement of the problem
The problem is to determine the advantages of using solar power bank as alternative
charger than the other one.
This study therefore will be conducted to determine if this solar power bank can benefit
us from refraining to used electricity as charger for the gadgets.
The objective of this study is to help everyone to lessen the electricity that always
consumed in every charging.
III. Results of previous studies
According to Raghunathan “Sustainable operation of battery powered wireless embedded
systems (such as sensor nodes) is a key challenge, and considerable research effort has been devoted to
energy optimization of such systems. Environmental energy harvesting, in particular solar based, has
emerged as a viable technique to supplement battery supplies. However, designing an efficient solar
harvesting system to realize the potential benefits of energy harvesting requires an in-depth
understanding of several factors. For example, solar energy supply is highly time varying and may not
always be sufficient to power the embedded system. Harvesting components, such as solar panels, and
energy storage elements, such as batteries or ultracapacitors, have different voltage-current
characteristics, which must be matched to each other as well as the energy requirements of the system
to maximize harvesting efficiency. Further, battery non-idealities, such as self-discharge and round trip
efficiency, directly affect energy usage and storage decisions. The ability of the system to modulate its
power consumption by selectively deactivating its sub-components also impacts the overall power
management architecture. This paper describes key issues and tradeoffs which arise in the design of
solar energy harvesting, wireless embedded systems and presents the design, implementation, and
performance evaluation of Heliomote, our prototype that addresses several of these issues.
Experimental results demonstrate that Heliomote, which behaves as a plug-in to the
Berkeley/Crossbow motes and autonomously manages energy harvesting and storage, enables near-
perpetual, harvesting aware operation of the sensor node.”
According to solar pioneer Harry Thomason, Whose patented ”solaris” system is still one of the
simplest, least expensive, and most efficient on the market like to tell about the way he discovered the
sun’s great ability to heat water. During a brief summer rainstorm he took cover beneath a nutsy old
corrugated iron roof, and when he stepped out into the sunshine a few minutes later, he felt not water
dripping the eaves. That’s what the solar heating is all about.
After his discovery, all Dr. Thomason had to do was make sure the same phenomenon would be
made occur in winter time, and he was in his way to the patent office. The simplicity of discoveries and
invention of this type is good excuse for optimism about the future. But we’ll have to be watchful if we
want to keep solar heating simple enough to stay under individual control. Sunlight is universal,
dependable and free, but there are people who would like nothing better than to make solar heating
seem so arcane and complicated and that we amateurs would be allowed to used it only under the
control of a utility company.
According to the book of Howell “ The thermal evaluation of solar energy collectors’ the
purpose of solar a solar thermal collector is to absorb the sun’s radiation energy and to transfer the
resultants thermal energy to a fluid which in turn, delivers the energy to storage or directly to the
ultimate used (load)’.
IV. Questions to be answered
1. How do solar panels on a house work?
2. What is the difference between solar and photovoltaic panels?
3. What is efficiency of solar cell?
V. Collection of data
1. What specific questions need to be answered?
How can solar power bank work as an alternative charger?
2. What data need to be obtained?
3. What methods should be employed to obtain these data ?
VI. Statistical treatment to which data need to be subjected
VII. Interpretation of data
As we obsever from our data that we found the solar panels or solar energy have a good effect.
And the data show/s that Modern solar technology is divided into passive and active categories. Passive
solar energy exploits the heat or light of the sun directly, as in a building designed to provide natural
light. Active solar technology includes photovoltaic and solar-thermal systems.
VIII. Conclusion
Therefore the Researcher conclude that the Solar panel are good for us people. We can
use this solar panels or Solar Energy as a Alternate to the current that we used eveyday. The impact of
use of the solar is a big solution for our electricity bills problem.Though at present it supplies only a
fraction of global energy, the solar industry is a rapidly expanding component of the renewable energy
sector.
