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AN-NAJAH NATIONAL UNIVERSITYAN-NAJAH NATIONAL UNIVERSITY
FACULTY OF ENGINEERINGFACULTY OF ENGINEERING
DEPARTMENT OF MECHANICAL DEPARTMENT OF MECHANICAL ENGINEERINGENGINEERING
AUTO TRACKING SOLAR SYSTEM
Supervisor Dr. Bashir Nouri
StudentsStudents Badr Sharaf (10243963)Badr Sharaf (10243963)
Hasan Osta (10227517)Hasan Osta (10227517)Hani Sadder (10228064)Hani Sadder (10228064)
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IntroductionIntroduction
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Sources Of Renewable Sources Of Renewable EnergyEnergy
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Why Solar Why Solar EnergyEnergy?? ??
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Map of Solar Energy Resources
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Types Of TechnologiesTypes Of Technologies
such assuch as
Heating Heating PhotovoltaicPhotovoltaic
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Classification of
Technologies
•Direct •Indirect
•Passive•Active
•Concentrating•Non- concentrating
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Mathematical ApproachMathematical Approach
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𝑬𝒊. 𝑬𝒏. m 𝜽𝒛 𝜽𝒊,𝒕 β 𝑾 𝒎𝟐Τ 𝑾 𝒎𝟐Τ (Degree) (Degree) (Degree)
17.96 29.78 1.66 52.92 52.92 0
19.96 29.78 1.66 52.92 47.92 5
21.81 29.78 1.66 52.92 42.92 10
23.49 29.78 1.66 52.92 37.92 15
25 29.78 1.66 52.92 32.92 20
26.31 29.78 1.66 52.92 27.92 25
27.43 29.78 1.66 52.92 22.92 30
28.34 29.78 1.66 52.92 17.92 35
29.03 29.78 1.66 52.92 12.92 40
29.5 29.78 1.66 52.92 7.92 45
29.74 29.78 1.66 52.92 2.92 50
29.78 29.78 1.66 52.92 0 52.92
29.76 29.78 1.66 52.92 -2.08 55
29.55 29.78 1.66 52.92 -7.08 60
29.12 29.78 1.66 52.92 -12.08 65
28.47 29.78 1.66 52.92 -17.08 70
27.6 29.78 1.66 52.92 -22.08 75
26.52 29.78 1.66 52.92 -27.08 80
25.23 29.78 1.66 52.92 -32.08 85
23.76 29.78 1.66 52.92 -37.08 90
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0
5
10
15
20
25
30
35
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95
Ei (
W/m
2)
B (Degrees)
January
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En = Ei ( W/m2) β (Degrees) Months
29.78 52.92 January
140.71 44.95 February
449.11 34.42 March
643.74 22.58 April
804.18 13.21 May
1086.37 8.91 June
1083.95 10.82 July
1076.72 18.55 August
1052.96 29.78 September
843.9 41.6 October
200.67 50.05 November
81.41 55.05 December
624.46 31.98 Average
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January February March April May June July August September October November December
Tilt
An
gle
(B
) D
egre
es
Months
Variation of optimum tilt angle with monthsVariation of optimum tilt angle with months
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January February March April May June July August September October November December
Ei (
W/m
2)
Months
Variation of En or Ei with months on a collector tilted with Variation of En or Ei with months on a collector tilted with an optimum angle (β)an optimum angle (β)
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Auto Tracking Control System
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What does the system doWhat does the system do ? ?
It must determine when the sunlight It must determine when the sunlight is adequate to produce usable is adequate to produce usable energyenergy
It must track the sun It must track the sun
It must recognize the end of day and It must recognize the end of day and return the array to its home position return the array to its home position
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Block diagram for the circuit
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Motors and movement Motors and movement TransmissionTransmission
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Questions???