10 MW Solar PV Power plantProject Team | Nandhini | Nithya | Sowparanika | Ragul | Vignesh
Design & CPM, PERTNovember 27 - Friday
Program Evaluation &
Review Technique
(PERT) Network
Model
Critical Path Method (CPM)
Mode of activities
Grid Connected PV Design
SPV GRID TIE – Without Battery
Design CalculationTotal Plant Size - 10 MW
Individual Sections- 500 kW * 20 Sets
No.of DC Cabinet - 560 V * 20 Sets
No.of AC Cabinet - 380 V * 20 Sets
No.of Inverters - 500 kVA * 20 Sets
No.of Junction Boxes - 560 W * 320 Sets
Monitoring Devices - 1 Set
Protection Devices - 1 Set
Infrastructure - As required
Each 500 kW SetPV Arrays - 16 SetsMounting Structure -16 SetsDC Junction Box (560 W) - 16 SetsDC Cabinet (560 V) - 1 SetInverter (500 kVA) - 1 SetAC Distribution Cabinet -1 Set
15 PV Arrays - Has 8 Rows
Last PV Array - Has 5 Rows
Each Row - Has 16 ModulesNet Panels (500 kW) - (8*16) + (5*16) = 2000 PanelsLike 20 Sets (10 MW) - 20*2000 = 40000 Panels
PV Array – 16
250 Wp Si-Mono Panel
500 kW - Design layoutPV Array
1
DC D
istribution Box
AC Distribution Box
Inverter
Junction Box 1
PV Array 1 Junction Box
2PV Array
2 Junction Box 3
PV Array 3 Junction Box
4PV Array
4 Junction Box 5
PV Array 5 Junction Box
6PV Array
6 Junction Box 7
PV Array 7 Junction Box
8PV Array
8 Junction Box 9
PV Array 9 Junction Box
10PV Array
10 Junction Box 11
PV Array 11 Junction Box
12PV Array
12 Junction Box 13
PV Array 13 Junction Box
14PV Array
14 Junction Box 15
PV Array 15 Junction Box
16PV Array
16
10 MW Design layout
DISTRIBUTION
BOARD
CPM & PERTACTIVITY DESCRIPTION PRECEEDING ACTIVITY DURATION
(WEEKS)
A SITE ASSESSMENT - 1
B DESIGNING A 1
C LABOUR AND MACHINERY PLANNING B 1
D PROCUREMENT B 6
E MOUNTING STRUCTURE (ERECTION) C,D 2
F PANEL ERECTION E 3
G JUNCTION BOX F 1H CABLING G 2I INVERTER G 1
J TRANSFORMER H,I 2
K COMMISSIONING J 1
1 2 3
A B
5 4
6
D C
E7
F
G
8
9
10
H
I
11J
K12
CPM
Possible pathways:A-B-C-E-F-G-H-J-K =14 weeksA-B-D-E-F-G-I-J-K =18 weeks