8. Warehouse Project - Stefan Sandu 2017
8
Distribution board
Nr. Circuit
identification
Item Description Design
current (Ib)
Design current
(Ib) with diversity
applied
Type of
protective
device
1. DB1-P1-L1 Outside lights
250W x 4x 1.8= 1800W
7.82A 90% of demand
7.04A
10A Type C
2. DB1-P1-L2 Bay lights
400W x8 x 1.8= 5760W
25.04A 90% of demand
22.53A
32A Type C
3. DB1-P1-L3 Bay lights
400W x8 x 1.8= 5760W
25.04A 90% of demand
22.53A
32A Type C
4. DB1- P2-L1 Corridor lights left
30Wx 6x 1.8=324W
1.40A 90% of demand
1.26A
6A Type C
5. DB1- P2-L2 Fluorescent lights
38Wx 10x 1.8=684W
2.97A 90% of demand
2.67A
6A Type C
6. DB1- P2-L3 Fluorescent lights
38Wx 9x 1.8=615.6W
2.67A 90% of demand
2.40A
6A Type C
7. DB1- P3-L1 32A TP-N Door Control 32A 100% of demand
32A
32A Type D
8. DB1- P3-L2 32A TP-N Door Control 32A 32A 32A Type D
9. DB1- P3-L3 32A TP-N Door Control 32A 32A 32A Type D
10. DB1- P4-L1 Corridor lights right
30Wx 5x 1.8=270W
1.74A 90% of demand
1.05A
6A Type C
11. DB1- P4-L2 13A Workshop
Sockets x 8 (ring)
32A 100% of demand
32A
32A Type B
12. DB1- P4-L3 13A Workshop
Sockets x 8 (ring)
32A 50% off remaining
16A
32A Type B
Total current L1 42.96A 41.35A
Total current L2 92.01A 89.20A
Total current L3 91.71A 72.93A
Maximum demand 226.68A 203.48A
*The project is an example based on college assignments and individual research.*
9. Warehouse Project - Stefan Sandu 2017
9
*The project is an example based on college assignments and individual research.*