In this paper, a solar powered home lighting system in the Electrical Engineering Department of Visvesvaraya National Institute of Technology (VNIT), Nagpur is analyzed for energy using a personal computer simulation program with integrated circuit emphasis (circuit simulation software, PSpice 9.1). The home lighting system consists of a solar panel of 37 Wp, a 45 Ah battery, a solar charge controller, dc loads of two 9 W compact fluorescent lamps (CFLs), and a dc fan of 14 W. Through the solar panel, the battery is charged during day time. In the night, when solar power is not available, the battery provides power as a backup to the dc load consisting of two CFLs and a dc fan. The aim of the paper is to analyze the solar home lighting system for energy gain/loss with a microcontroller-based charge controller. From the analysis, it is concluded that the solar home lighting system is not designed for continuous energy gain as per manufacturer's specifications. The design needs to be modified to have energy gain in the system for Nagpur, India. A designed microcontroller-based charge controller is also analyzed. The advantages of a microcontroller 89C2051-based charge controller are its simple design, low cost, logic change facility with change of programming of microcontroller, presence of liquid crystal display (LCD) with battery charge status, and display of different messages. Ride software is used as an assembler for generating the required hex file of program and it is used for burning in the microcontroller IC with the help of Vegarobokit (a microcontroller programmer developer) to make a microcontroller programmer.

References

References
1.
Castaner
,
L.
, and
Silvestre
,
S.
,
2002
,
Modeling of Photovoltaic Systems Using PSpice
,
John Wiley & Sons, Ltd
, Chichester, UK.
2.
Mani
,
A.
,
1980
,
Handbook of Solar Radiation Data for India 1980
,
Allied Publishers, Pvt. Limited
,
New Delhi, India
.
3.
Masters
,
G. M.
,
2004
,
Renewable and Efficient Electric Power System
,
3rd ed.
,
John Wiley and Sons Ltd.
,
Stanford University
, Hoboken, NJ.
4.
Vadla
,
A. K.
,
2009
, “
Microcontroller-Based Solar Charger
,”
Electronics For You
,
41
(
9
), pp.
58–63
.
5.
Lee
,
J. H.
,
Bae
,
H. S.
, and
Cho
,
B. H.
,
2008
, “
Resistive Control for a Photovoltaic Battery Charging System Using a Microcontroller
,”
IEEE Trans. Ind. Electron.
,
55
(
7
), pp.
2767
2775
.10.1109/TIE.2008.922594
6.
Masoum
,
M. A. S.
,
Badejani
,
S.
, and
Fuchs
,
E. F.
,
2004
, “
Microprocessor Controlled New Class of Optimal Battery Chargers for Photovoltaic Applications
,”
IEEE Trans. Energy Convers.
,
19
(
3
), pp.
599
606
.10.1109/TEC.2004.827716
7.
Boico
,
F.
, and
Lehman
,
B.
,
2007
, “
Solar Battery Chargers for NiMH Batteries
,”
IEEE Trans. Power Electron.
,
22
(
5
), pp.
1600
1609
.10.1109/TPEL.2007.904164
8.
Moharil
,
R. M.
, and
Kulkarni
,
P. S.
,
2009
, “
A Case Study of Solar Photovoltaic Power System at Sagardeep Island, India
,”
Renewable Sustainable Energy Rev.
,
13
(3), pp.
673
681
.10.1016/j.rser.2007.11.016
9.
Barca
,
G.
,
Moschetto
,
A.
,
Sapuppo
,
C.
,
Tina
,
G. M.
,
Giusto
,
R.
, and
Grasso
,
A. D.
,
2008
, “
A Novel MPPT Charge Regulator for a Photovoltaic Stand-Alone Telecommunication System
,”
International Symposium on Power Electronics, Electrical Drives, Automation and Motion
(SPEEDAM 2008), Ischia, Italy, June 11–13, pp.
235
238
.
10.
Hua
,
C.-C.
,
2005
, “
Implementation of a Stand-Alone Photovoltaic Lighting System With MPPT, Battery Charger and High Brightness LEDs
,”
International Conference on Power Electronics and Drives Systems
(
PEDS 2005
), Kuala Lumpur, Malaysia, November 28-December 1, pp.
1601
1605
.10.1109/PEDS.2005.1619944
11.
Hussein
,
H. A.-H.
,
Pepper
,
M.
,
Harb
,
A.
, and
Bartarseh
,
I.
,
2009
, “
An Efficient Solar Charging Algorithm for Different Battery Chemistries
,”
IEEE Vehicle Power and Propulsion Conference
(
VPPC '09
), Dearborn, MI, September 7–10, pp.
188
193
.10.1109/VPPC.2009.5289853
12.
Liu
,
T.-H.
,
Chen
D.-F.
, and
Fang
,
C.-C.
,
2000
, “
Design and Implementation of a Battery Charger With a State of Charge Estimator
,”
Int. J. Electron.
,
87
(
2
), pp.
211
226
.10.1080/002072100132354
13.
Werulkar
,
A. S.
, and
Kulkarni
,
P. S.
,
2011
, “
Analysis of Microcontroller Based Solar Charge Controller for Solar Home Lighting System
,”
International Conference on Advances in Energy Research (ICAER 2011) IIT
,
Bombay, India
, December 9–11.
14.
Werulkar
,
A. S.
, and
Kulkarni
,
P. S.
,
2012
, “
Design of a Constant Current Solar Charge Controller With Microcontroller Based Soft Switching Buck Converter for Solar Home Lighting System
,”
IEEE International Conference on Power Electronics, Drives and Energy Systems
(
PEDES 2012
),
Bangalore India
, December 16-19.10.1109/PEDES.2012.6484337
15.
Werulkar
,
A.
,
Shankar
,
D.
, and
Kulkarni
,
P. S.
,
2013
, “
A Soft Switching Boost Converter With Simulation of Maximum Power Point Tracking for Solar Home Lighting System
,”
Int. J. ChemTech Res.
,
5
(
2
), pp.
935
946
.
16.
Werulkar
,
A. S.
,
Kulkarni
,
P. S.
, and
Sahusakde
,
A.
,
2010
, “
Simulation and Energy Balance Study in Solar Home Lighting System
,”
All India Seminar on Power System: Control, Operation and Maintenance (PSCOM-2010)
,
Chandrapur
, India, December 4–5, pp.
83
88
.
17.
Werulkar
,
A. S.
,
Kulkarni
,
P. S.
, and
Sahusakde
,
A.
,
2011
, “
Energy Analysis of Solar Home Lighting System
,”
1st India International Energy Summit (IEES-2011), Nagpur, India
, January 27–30, pp.
64
81
.
You do not currently have access to this content.