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1 Project Report 100kWp SOLAR PV SYSTEM Lady Andal School

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1

Project Report

100kWp SOLAR PV SYSTEM

Lady Andal School

2

CONTENTS

2. BOUNDARY CONDITIONS ................................................3

3. SYSTEM DESIGN .........................................................6

4. 100KW SPV ROOFTOP GRAPHICAL LAYOUT ..7

5. SIMULATION RESULT ...............................................8

6. FOUNDATION LAYOUT ..........................................11

7. STRING LAYOUT .......................................................15

8. AC CABLE LAYOUT .................................................16

9. EARTHING LAYOUT ................................................17

10. SINGLE LINE DIAGRAM .........................................18

11 MAIN LT PANEL ........................................................19

12 MODES OF OPERATION ..........................................20

13 SITE WORK ..................................................................21

14 SITE INSTALLATION ...............................................27

15 APPENDIX ....................................................................29

3

1. BOUNDARY CONDITIONS

Geographical data:

Latitude 13.1 N Longitude 80.2 E

Site: Madras Seva Sedan

Monthly Averaged Solar Noon (GMT time)

Lat 13.1

Lon 80.274 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Average 0649 0654 0648 0640 0636 0639 0646 0644 0635 0625 0624 0632

The above table shows the ‘Monthly Averaged solar noon’ for each month. The average solar

noon time is more than 6 hours.

4

Monthly Averaged Daylight Hours (hours)

Lat 13.1

Lon 80.274 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Average 11.4 11.7 12.0 12.4 12.7 12.8 12.8 12.5 12.2 11.8 11.5 11.3

The above table shows the ‘Monthly Averaged daylight hours’ for each month. The average solar

daylight hour is more than 11 hours.

Monthly Averaged Radiation Incident On An Equator-Pointed Tilted Surface

(kWh/m2/day)

Lat 13.1

Lon 80.274 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Annual

Average

SSE HRZ 4.93 5.89 6.64 6.72 6.12 5.24 4.73 4.80 5.01 4.42 4.05 4.24 5.22

K 0.58 0.63 0.65 0.63 0.57 0.49 0.44 0.45 0.49 0.46 0.47 0.52 0.53

Diffuse 1.50 1.53 1.66 1.93 2.13 2.27 2.32 2.35 2.19 2.00 1.76 1.57 1.94

Direct 5.80 6.82 7.29 6.80 5.69 4.30 3.46 3.48 4.05 3.68 3.79 4.62 4.97

Tilt 0 4.89 5.83 6.56 6.61 6.00 5.12 4.63 4.71 4.94 4.37 4.02 4.21 5.15

Tilt 13 5.44 6.29 6.75 6.49 6.04 5.20 4.67 4.68 4.97 4.56 4.34 4.68 5.34

Tilt 28 5.82 6.50 6.64 6.04 5.82 5.06 4.51 4.44 4.78 4.57 4.52 5.00 5.30

Tilt 90 4.12 3.88 2.92 1.78 2.35 2.35 2.10 1.82 2.07 2.58 3.02 3.64 2.71

With the tilt of 13degs the maximum solar irradiation is achieved as one can see the difference

with O to 28 degs tilt.

Monthly Averaged Air Temperature at 10 m above the Surface Of The Earth (°C)

Lat 13.1

Lon 80.274 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Annual

Average

22-year Average 25.1 26.0 27.4 28.3 29.7 30.1 29.4 29.3 28.5 27.0 26.1 25.5 27.7

Minimum 22.8 23.6 24.9 26.0 27.5 27.9 27.3 27.3 26.6 25.3 24.3 23.5 25.6

Maximum 27.4 28.8 30.4 30.9 32.2 32.4 31.6 31.4 30.5 28.9 28.0 27.6 30.0

The above table shows the Min and Max avg. air temperature for every month and temperature.

Monthly Averaged Wind Speed At 10 m Above the Surface Of The Earth For Terrain Similar

To Airports (m/s)

Lat 13.1 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual

5

Lon 80.274 Average

10-year Average 3.85 3.52 3.52 3.55 3.84 4.36 4.19 4.13 3.03 2.81 3.60 4.17 3.71

The above table shows the monthly avg. wind speed data.

Load details Summary:

WW HOS =16.325 Kw

SHANTI = 14.765 Kw

ORCA = 16.305 Kw

RESI (others) = 41.580 Kw

RESI (cottage) = 15.40 Kw

SEVA Office= 34.80 Kw

Lady Andal School = 84.075 Kw

Total Connected Load = 223.250 kW

(Full load details included in ‘Appendix 1’)

6

2. SYSTEM DESIGN

7

3. 100KW SPV ROOFTOP GRAPHICAL LAYOUT

8

4. SIMULATION RESULT

Shadow Analysis:

Normalized Production per kWp

9

Performance Ratio:

Generation result:

10

Loss Diagram:

11

5. FOUNDATION LAYOUT

Foundation layout – Block 1

12

Foundation layout – Block 2

13

Foundation layout – Block 3

14

Foundation layout – Block 4

15

6. STRING LAYOUT

16

7. AC CABLE LAYOUT

17

8. EARTHING LAYOUT

18

9. SINGLE LINE DIAGRAM

19

11 MAIN LT PANEL

20

12 MODES OF OPERATION

21

13 SITE WORK

Before solar installation

22

SITE CLEARED BEFORE INSTALLATION

23

STRUCTURE INSTALLATION

24

MODULE INSTALLATION

25

INVERTER INSTALLATION

26

CABLE AND LT PANEL INSTALLATION

27

14 SITE INSTALLATION

S.no Remarks Dates of completion

1 In Principal approval from MNRE

2 land leveling and tree cutting 27

th April

3 MMS PO to supplier 26-Feb

4 MMS reach to site 26th-March

5 Solar module PO to supplier 26-Feb

6 Solar module reach to site 13-March

7 Inverter PO 26-Feb

8 Cable PO 26-Feb

9 Earth pit material PO 26-Feb

11 GI Wire PO 26-Feb

12 GI Wire Reach to site

26th April

13 Earth Pit reached Site 28th April

14 Cable reached Site 26th April

15 Inverter reached Site 28th-March

16 Ground marking for MMS 27

th April

17 MMS Assembling 28

th April

18 MMS Alignment 29

th April

19 Solar Module fixing on the MMS 30th April

20 Solar Module fixing and Civil work (if any) 1

St May

28

21 All bolts tightening 1

st May

22 Labor supply for electrical work 3 persons 2nd May

23 Module Interconnections 2

nd May

24 Solar Module String Connection 3rd May

25 Inverter fixing in the Allocated room 30th April

26 Inverter visual inspection and Checking 4

th May

27 Cable laying from Inverter to LT Panel 1 4

th May

28 Inverter DC Cable laying from modules to Inverter 2

nd May

29 DC Cable termination both side Inverter 3rd May

30 Cable trench Digging from LT PANEL 1 to LT PANEL 2

5Th May

31 Cable laying from LT panel 1 to LT panel 2

8Th May

32 AC Cable Termination both side Inverter, LT panel 1 and LT panel 2

10th May

33 Earth preparation and installation

12th May

34 Earth connections for all components

14th May

35 Testing of Inverter

16th May

36 Commissioning of inverter

17th May

37 Monitoring System Connection

22nd May

38 Subsidy claiming from MNRE

Yet to get a date

39 TNEB NOC Yet to get a NOC

29

15 APPENDIX

Present Load (TOTAL LOAD)

LOCTION DESCRIPTION POWER/UNIT

-watts QTY.

TOTAL POWER watts

LAS

GF Tube Lights 55 96 5,280.00

GF CFL 15 13 195.00

GF Flood Lights 250 30 7,500.00

GF Fans 60 75 4,500.00

GF Fridge 150 2 300.00

GF Oven 1,500 2 3,000.00

GF Computers 350 23 8,050.00

GF Lift 5,000 1 5,000.00

GF Air Conditioners - 1.5T 2,100 1 2,100.00

GF Deep Freezer 1,500 1 1,500.00

GF Water Cooler 400 1 400.00

FF Tube Lights 55 78 4,290.00

FF Fans 60 63 3,780.00

FF Computers 350 15 5,250.00

FF Lap Tops 100 7 700.00

FF Exhust Fans 150 1 150.00

SF Tube Lights 55 86 4,730.00

SF Fans 60 67 4,020.00

SF Computers 350 16 5,600.00

SF Lap Tops 100 5 500.00

SF Exhust Fans 150 1 150.00

SF Air Conditioners - 1.5T 2,100 1 2,100.00

TF Tube Lights 55 76 4,180.00

TF Fans 60 70 4,200.00

TF Computers 350 11 3,850.00

TF Lap Tops 100 5 500.00

TF Exhust Fans 150 1 150.00

TF Air Conditioners - 1.5T 2,100 1 2,100.00

Sub Total 84,075.00

SEVA

Tube Lights 55 150 8,250.00

Fans 60 105 6,300.00

Air Conditioners - 1.5T 2,100 2 4,200.00

Computers 350 39 13,650.00

Pumpsets 750 2 1,500.00

Grinder 750 1 750.00

Firdge(160 Lts) 150 1 150.00

30

Sub Total 34,800.00

RESI

Filament Bupls 100 31 3,100.00

Tube Lights 55 78 4,290.00

Fans 60 58 3,480.00

CFL 15 14 210.00

Exhust Fans 150 1 150.00

Water Heater 1,000 5 5,000.00

Television 300 3 900.00

Computers 350 3 1,050.00

Air Conditioners - 1.5T 2,100 7 14,700.00

Fridge 150 3 450.00

Oven 1,000 3 3,000.00

Mixie 750 2 1,500.00

Pumpsets 1,125 1 1,125.00

Pumpsets 750 2 1,500.00

Pumpsets 375 1 375.00

Grinder 750 1 750.00

Sub Total 41,580.00

COTTAGE

COT Fans 60 14 840.00

COT Tube Lights 55 42 2,310.00

COT Filament Bupls 100 14 1,400.00

COT Pumpsets 1,125 1 1,125.00

COT Grinder 750 1 750.00

COT Fridge 150 1 150.00

COT CANTEEN 0.00

COT Fans 60 10 600.00

COT Tube Lights 55 20 1,100.00

COT Firdge 150 4 600.00

COT Grinder 750 2 1,500.00

COT Mixie 750 1 750.00

COT Exhust Fans 150 1 150.00

COT Snacks Heater 1,500 2 3,000.00

COT Pumpsets 1,125 1 1,125.00

Sub Total 15,400.00

ORCA

Fans 60 13 780.00

Tube Lights 55 50 2,750.00

Filament Bupls 100 4 400.00

Pumpsets 1,125 3 3,375.00

Pumpsets 3,750 2 7,500.00

Hologen Lamps 500 3 1,500.00

31

Sub Total 16,305.00

SHANTHI

Tube Lights 55 56 3,080.00

Fans 60 38 2,280.00

Filament Bulbs 40 30 1,200.00

Filament Bulbs 15 27 405.00

Pumpsets 1,125 3 3,375.00

Pumpsets 375 1 375.00

Grinder 750 1 750.00

Mixie 750 1 750.00

Solar Heater 1 0.00

Fridge 150 3 450.00

Television 300 7 2,100.00

Sub Total 14,765.00

WW HOS

Tube Lights 55 73 4,015.00

Fans 60 56 3,360.00

Filament Bulbs 100 7 700.00

Television 300 2 600.00

Pumpsets 1,500 1 1,500.00

Pumpsets 750 2 1,500.00

Water Heater 3,000 1 3,000.00

Fridge 150 1 150.00

Oven 1,500 1 1,500.00

Sub Total 16,325.00

TOTAL CONNECTED LOADS - All sections 223,250.00