Solar PPt.pptx

Maulana Azad
National Institute of Technology
Bhopal (M.P.)
Thermal Project Lab (ME 2509)
November 2022
Department of Mechanical Engineering
Instructor:
Dr. R.M.Sarviya
Presented by:
Team

Installation
of solar panel
in Hostel 7

TEAM MEMBERS
Ashish Gupta
Gayatri Parte
Peeyush Kumar Jain
Paras Verma
Manisha Dawar
Anand Mishra
201116027
201116017
201116003
201116009
201116012
201116005

Discussion point
Introduction
Positioning of
Solar Panel
Maintenance &
Calculation
Installation of
Solar Panel

solar panels ?
>Good for the Environment
> Causes Less Electricity Loss
> Reduce Electricity Bill
> A Free Source of Energy

- Less expensive
- Net
Metering allows us
to use grid electricity
during night and
cloudy day.
- If the grid goes
down your system
will shut off
- Not completely
independent from
the grid
Pros/Cons of On-Grid Solar Panel

Solar Cell
o Solar cells are semi-conductor
devices which use sunlight to produce
electricity
o Solar cells are primarily made up of
silicon which absorbs the photons
emitted by sun’s rays.
o Silicon wafers are doped and the electrical contacts are put in place to
connect each solar cell to another. The resulting silicon disks are given an
anti-reflective coating. This coating protects sunlight loss.

Types of solar Cell
Monocrystalline
High efficiency
but most expensive
Polycrystalline
Low efficiency
And Lower cost
Thin Film
Portable and flexible
But lowest efficiency

Direction
o In northern hemisphere, the solar panel
should face true (geographical) south not
magnetic south.
o Also depending on how solar panels are being
used, it may may also be beneficial to have a
slight rotation away from due south.
o For example, for a home the panels should face slightly south-west, which allow the panel to
capture more sunlight during evening, when people use more appliances.

Angle
For entire year: 𝜃 = 23°
For twice adjusted panels
Months Optimal Tilt Angle
March to August 4°
September to February 45°
For quarterly (seasonally) adjusted solar panel
March to May 14°
June to August 6°
September to November 32°
December to February 45°
For monthly adjusted solar panel
January 45°
February 37°
March 27°
April 14°
May 6°
June 5°
July 6°
August 11°
September 20°
October 32°
November 42°
December 47°

Area Of rooftop
Total Area of shaded Region: 1290m2 + 1190m2 =
2480m2
Of Roof top Area Available for installation: 85%
Available Rooftop Area: 2480*85%= 2108m2

FOR 200KW
Solar Rooftop Calculator

Specification Of Components of solar panel
Watt 400 Watt
Module Voltage 24 V
No. of Panels 447
Type of Product Polycrystalline
Dimension 1960x992mm
Module Efficiency 17.9%
Frame Material Anodized Aluminium
No. of Cells 72
Warranty Type 10-year Manufacturing Defect, 25
years degradation
a) Solar Panel

b) Inverter
No of inverter 2
System Rating 100 KW, Three Phase
Maximum Solar Panel Connection 130,000 Watts
Efficiency 98.6%
Feed-in Phase Three-phase
Topology Transformer less
Number of MPPT Controller 6
Noise < 30dBA
Dimensions [L * H * W] mm 838 * 568 * 323

c) Other Accessories
1. Net Meter
2. Wire (DC & AC Wire)
3. DCDB $ ACDB
4. Earthing Kit
5. Panel Stand
Panel Stand
Net
Meter
Earthing Kit
Net Meter
AC & DC Wire
DC distribution Box &
AC distribution Box

Solar panel maintenance
o Solar panels require very little maintenance, especially if they are
on a tilt, as rain can wash away any debris.
o It is generally recommended that you perform solar panel cleaning
between two and four times per year.
o Using a monitoring app can help you keep track of the amount of
energy your panels produce. If you notice a dip in production, it
might be time to clean your panels.
o If the generation of solar panel goes below 80% under warranty
period thein you can contact your OEM for replacement.
o Solar inverter may required maintenance after every 10 -15 years.
F o r m a i n t e n a n c e w e c a n c o n s i d e r a b o u t R s . 1 0 , 0 0 0 f o r c l e a n i n g e v e r y y e a r

Calculation:-
Appliance Nos. Power (W) Time
(hrs.)
Power (kW) Units
(kWh)
Fan 264 70 14 18.48 250.88
Led Bulbs 564 12 10 6.768 67.68
Tube light 252 30 10 7.56 75.6
Laptop 756 60 4 45.36 181.44
Water Cooler 15 100 20 1.5 30
Washing
Machine
7 500 3 3.5 1.5
Pump 4 754*1.5 4 4.524 18.096
Total 87.684 625.19
Power Requirement of Hostel
No. of Rooms = 252
Appliances in 1 Room = 1 Fan, 1 Tube light, 2
LED Bulb, 3 Laptop
Other electrical loads = 60 LED lights+ 12 Fan +
15 water coolers, water purifier + 7 washing
machine
Total Unit consumed =
Unit consumed in 30 days is
18,755 kWh
Unit consumed annually =
2,28,186.54 kWh

Bill calculation:
Monthly Electricity Bill (Rs6/kWh) = Rs 1,12,534 (1.1
Lakhs)
Annually electricity bill (RS6/kWh) = Rs 13,69,166
(13.7 Lakhs)
Total Cost of the plant is about (Without Subsidy) = Rs. 1,06,00,000
(1.06 Crores)
With subsidy 30% Rs. 74,20,000 (74 Lakhs)
Maintenance Cost (Rs 10,000per Year) = Rs 2,50,000 (2.5 Lakhs)
Energy generated in 1 month = 300000/12 = 25,000 kWh (considering
5.5h sunshine)
Energy consumed by hostel in 1 month = 18,755 kWh
“Our Electricity bill is reduce to zero”

Saving:
Monthly Electricity Bill (Rs6/kWh) = Rs 1,12,534 (1.1 Lakhs)
Annually electricity bill (RS6/kWh) = Rs 13,69,166 (13.7 Lakhs)
Electricity Bill for 25 years (assuming constant cost Rs 6/kWh) = Rs 3,42,29,152
(3.42 Crores )
Total Cost of Installation Of solar Plant is Rs. 74,20,000 (74 Lakhs)
Total Maintenance Cost = 2.5 Lakhs
We are saving about 3.42 – (0.74+0.025) = 2.655 Crores

Cost Recovery:
0
0.5
1
1.5
2
2.5
3
3.5
4
2022 2027 2032 2037 2042 2047
Break Even Analysis
Fixed Cost Profit
5.60 Years
Solar panel payback or
“break-even point” will
be 5.60 years
That means after 5
years 7 months (i.e.
July 2027) our cost will
recover

Conclusion:
o T he pr oject is intended to switch the electr icity supply fr om conventional sour ce
to an eco - fr iendly sour ce i.e. solar ener gy in H ostel 7 of MAN IT Bhopal.
o In the pr esent wor k a Solar PV Ener gy System was implemented. A por tion of the
ener gy r equir ement for a pr ivate house, far m house, a small company, an
educational institution depending on the need at the site wher e used has been
supplied with the electr icity gener ated fr om the solar power. It r educes the
dependence on one single source and has increased the r eliability.
o Appar ently, we can impr ove the efficiency of the system with an individual
inter est mode of gener ation. Photovoltaic systems ar e cost effective, pollution -
fr ee and maintenance fr ee. They could be deployed in r emote locations wher e
conventional power is not r eadily available.
Conclusion:

Recommendation:
o Solar panel with inverter would be recommended since it was a
noiseless, it does not use fuel and it is environmental friendly.
o The solar power system was a convenient way of producing an
alternative means of power supply to supplement the mains failure.
o It was advantageous to user who could afford its initial cost of
installation. This project was recommended for expansion if the need
arose.
o There would be need to upgrade the solar panels from polycrystalline
to monocrystalline in future to improve the its efficiency and it also
increases the power generation or
o We can also upgrade the system from on grid to hybrid as per
requirements in the future.

Reference:
i) https://www.loomsolar.com/
ii) https://solarrooftop.gov.in/
iii) https://mnre.gov.in/solar/schemes
iv) https://energyeducation.ca/encyclopedia/Solar_panel_orientation
v) https://www.energy.gov/eere/solar/solar-photovoltaic-system-design-
basics
vi) https://www.geogreenpower.com/blog/a-guide-for-where-to-place-
your-solar-panels/#/

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