RECOMMENDATION I hereby recommend that the project report titled “
Automatic Solar Tracker System ” prepared
by
Joysankha Ghosh , 11705515020,
Pabak Das , 11705515028: be accepted in partial
fulfilment of the requirement for the Degree of Bachelor of Technology in Applied Electronics
& Instrumentation Engineering, RCC Institute of Information Technology.
--------------------------------
Ms. Naiwrita Dey
Assistant Professor
Applied Electronics and Instrumentation Engineering
-------------------------------
Mr. Arijit Ghosh
HOD, Assistant Professor
Applied Electronics & Instrumentation Engineering
v
ABBREVIATIONS AND ACRONYMS CdTe
-
Cadmium Telluride
CIGS
-
Copper Indium Gallium (di)Selenide
CSP
-
Concentrated Solar Power
DC
-
Direct Current
EMF
-
Electromotive Force
I
-
Current
I/O
-
Input/Output
ICSP
-
In-Circuit Serial Programming
IDE
-
Integrated Development Environment
LCD
-
Liquid Crystal Display
LDR
-
Light Dependent Resistor
LUX
-
Luminous Flux
MCU
-
Microcontroller
MPPT
-
Maximum Power Point Tracking
PV
-
Photovoltaic
R
-
Resistor
RPM
-
Rotations per Minute
USB
-
Universal Serial Bus
V
-
Voltage
vi
LIST OF FIGURES Figure No.
Figure Name
Page No.
Figure 2.1
Pin Diagram of NodeMcu
8
Figure 2.2
Block Diagram of Automatic Solar Tracking System
10
Figure 2.3
Concept of Using Two LDR
11
Figure 3.1
Earth Rotation
14
Figure 3.2
Earth Rotation and Revolution
15
Figure 3.3
Angle of elevation and zenith angle
16
Figure 3.4
Single Axis Tracker
18
Figure 3.5
Dual Axis Tracker
19
Figure 3.6
Fixed collector
19
Figure 3.7
Sun path diagram for Calcutta
20
Figure 3.8
Conversions taking place inside the Solar charge controller
23
Figure 4.1
Solar Cell
27
Figure 4.2
Symbol of LDR
28
Figure 4.3
Pin diagram of NodeMcu
29
Figure 4.4
DC Motor
30
Figure 4.5
Mechanical structure of Single axis Automatic Solar Tracking
System
31
Figure 4.6(a) Setting up NodeMcu- Port Connection
32
Figure 4.6(b) Setting up NodeMcu- Upload speed
33
vii
Figure 4.6(c) Setting up NodeMcu- Installing Library
33
Figure 4.7
Flow Chart of Automatic Solar Tracking System
34
Figure 4.8
Complete setup of Automatic Solar Tracking System
35