Solar Rooftop Design

( SolarHubStyle)

1

1

( Direct Current : DC )

( Alternating Current : AC )

1.1.

2

2

3 4 Line 3 N

line VDE) R S T MP PE

A B C N -L1 L2 L3 N SL

1,000

1,000 3

1.2 .

Power : P ) W)

Voltage : E ) V)

Current : I ) A)

x P = E II = P/EE= P/I

4

1 w) v)

I = P/E I =50220 = 0.227 A)

A)

2 A) V

x P = E x I P =220x3.39 = 745.8 W)

W HP) 5

1.3.

( Watt ) : W :

( Kilowatt : KW ) W

(Megawatt : MW) KW W

(KW-hour :KW-h) Unit)

KW-hour) = KW) X

W)

KW-hour) = W) X 6

3 W x 10 / 1,000 = 0.55

4 W (1.8KW) x 2 / 1,000 = 3.6

5 BTU W (2.02KW)

x 10 / 1,000 = 20.2 ft) +

vat)

ft ( vat X

7

8

3x 3.2484 = 1.78662

4x 3.2484 = 11.69424

5x 3.2484 = 65.61768

9

10

1.4.

(R)

1,000 = 1 K )

1,000,000 = 1,000 K ) = 1 M

E) V)

I) A)

x E= I x RI = E/RR= E/I

11

)

1,000

Earth Tester 5

12

1.5.

x x

V 3 mm .

Load A

mmmV/A/m x 120 x

85) / 1000 mm .V

1.583%

#70 2-3% 1step

1000

5% 13

1.6.

Watt)

VAR)

VA)

Power Factor)

14

VA

DC AC W)

VAR)

W = VA x PowerFactor(PF) VA = W PF

PF 0.8 , 0.9 1

2,000 VA ,PF=0.8 W 2,000 x 0.8 = 1,600 W

2,000 VA 400 W 1,600 W

3

I = VA (1.732 x E) 1.732 3

=2000/ (1.732x380) = 3.04A 15

1.7.

( : Series) PV

P) W)E) V)I) A)

16

( : Parallel ) PV

I A)E V)

P W)

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2.1.PV Specification

REC Solar Panel Data Sheet

2.

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REC Solar Panel Data Sheet

1

23456

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Schutten Solar Panel Data Sheet

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1.Normal Power Pmpp(wp) = 315 >>W

Normal Power Voltage Vmpp(V) = 37.5 >> W V

3.Norminal Power Current Impp(A) = 8.40A >> 8.40 A

4.Open Circuit Voltage Voc(V) = 45.8 V >> I = 0A

5Short Circuit Current Isc(A) = 8.93 >> V = 0V PV A

6Panel Efficiency = 16.2% >> PV PV 100% 16.2 %

ELECTRICAL DATA @ STC (Standard Test Condition) Irradiance) 1000 W/m STC

ELECTRICAL DATA @ NOCT (Nominal Operating Cell Temperature) Irradiance) 800 W/m

PV

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2.2.Inverter Specification

SMA Inverter 20/25 kW. Data Sheet

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SMA Inverter 20/25 kW. Data Sheet

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