12 11 10 9 8 7 6 5 4 3 2 1

H N H

PV

PV

PV

PV

PV

PV
16

17
STR-5 STR-6

1
SINGLE LINE DIAGRAM FOR ROOF TOP SOLAR SYSTEM-50KW

PV

PV

PV

PV

PV

PV
17

17
STR-4 STR-7

1
PV

PV

PV

PV

PV

PV
17

16
STR-3 STR-8

1
PV

PV

PV

PV

PV

PV
17

16
G STR-2 STR-9

1
PV

PV

PV
17
STR-1 SPARE

2
DC SIDE
50KW String-Delta
2Rx1C x 4Sqmm DC Cu.Cable 1000Vdc,100Amp
740Voc, 8.7Amp per string 1 2 3 4 5 6 7 8 9 10

INTERNET RS-485
ROUTER AC SIDE
CONNECTION
50KW String-Delta
400Vac +/-20%, 76Amp
1R*3.5C*35Sqmm
F CU XLPE Flexible F
Cable
400V AC +/-20%, 76Amp LEGEND
S. NO. NAME SYMBOLS
ACDB
125Amp,4P PV PV

MCCB 01 PV MODULE 1
- +
2
- +

Class
02 AC/DC SPD-1000V
2.0,SPD
16SQMM CU 03 INVERTER -
CABLE
25*3GI STRIP 04 AC-MCB-4P,3PH,
SP2A PHASE INDICATION
E EARTH B Y R B Y R
05 METER-CL-0.5S E
EM

06 CT-CL-0.5S

1.1KV,4SQMM,CU
07
1R*3.5C*50Sqmm CABLE
AL XLPE Flexible 08 25*3GI STRIP
Cable EARTH

METER
SOLAR
D

BSES

1R*3.5C*50Sqmm
AL XLPE Flexible
Cable
LT PANEL
EXISTING

C 50KW SOLAR PHOTOVOLTAIC POWER PLANT C

S.No. Details Unit Formula Value
EARTHING

1 Plant Capacity KWp 50

2 Wattage of PV Module Wp 315

3 Total No of Modules Nos 159

4 Number of Modules per String Nos 16/19

5 No. of Strings Nos 4/5

6 No. of Strings per Structure Nos 1

7 Inverter Rating KW 50
METER

8 Number Of Inverter Nos 1

NET

9 ACDB Nos 1

BSES
DRAWN
NS
DESIGN CLIENT:- ST. MARY'S SCHOOL
CONNECTED TO

NS
CHECKED SITE:- SECTOR 19B, DWARKA
BSES GRID

A APPROVED SLD A

KK
DRG. NO. REV. SCALE DATE
SE/EPC/E.I.L-05 R01. NTS 24/07/2017
12 11 10 9 8 7 6 5 3 2 1