battery load profile-model
DESCRIPTION
Load Profile of a battery based on the Amp-Hour discharged by the substation equipment. A backup hour of 10 Hrs (600 mins) has been considered. This has to be read in conjunction with my other upload titled "DC load calculation for substation" and "Battery sizing Nicd"TRANSCRIPT
60120
180 240 300 360 420 480 540 600
11 Amp
4 Amp
7 Amp
112 Amp,5 min
45 Amp,10min
10
20
30
40
60
70
80
90
100
110
120
50
Time (min)
Cu
rre
nt (A
mp
)
112 Amp,5 min
130A
Protection Circuits &
Breakers
Interlocking Circuits
Emergency Lighting
Protection Circuits &
Relay Coils
DS Motor Circuit
LEGEND
Load Description
Section Load Details
Load (amp)
Time
Duration
(min)
A1 L1+L2+L3
127 5
A2 L1+L2
15 115
A3 L1+L2+L4
60 10
A4 L1+L2
15 170
A5 L1+L2+L5
22 60
A6 L1+L2
15 120
A7 L1+L2+L3
125 5
A8 L1+L2
15 115
L1
L2
L4
L3
L5
Continuous Momentary Continuous Momentary Continuous Momentary Continuous Momentary1 Line Protection Panel 4
1.1 Distance Protection Relay 1.00 20.00 50.00 20.00 50.00 0.18 0.45 0.73 1.82
1.2Backup (O/C, E/F) Protection Relay
1.00 15.00 25.00 15.00 25.00 0.14 0.23 0.55 0.91
1.3 Master Trip Relay 2.00 0.00 150.00 0.00 300.00 0.00 2.73 0.00 10.91
1.4 Dc Supervision Relay 2.00 4.50 0.00 9.00 0.00 0.08 0.00 0.33 0.00
1.5 Trip Coil Supervision Relay 6.00 4.50 15.00 27.00 90.00 0.25 0.82 0.98 3.27
1.6 Auxillary Relay 9.00 0.00 4.50 0.00 40.50 0.00 0.37 0.00 1.47
1.7 Indication Lamps 10.00 1.50 0.00 15.00 0.00 0.14 0.00 0.55 0.00
1.8 Semaphores 5.00 1.50 0.00 7.50 0.00 0.07 0.00 0.27 0.00
1.9 Energy Meter 1.00 0.50 0.00 0.50 0.00 0.00 0.00 0.02 0.00
1.10 Annunciator 1.00 20.00 35.00 20.00 35.00 0.18 0.32 0.73 1.271.11 Multifunctioning Meters 4.00 0.50 0.00 2.00 0.00 0.02 0.00 0.07 0.00
4.22 19.652 Bus Coupler Panel 1
2.1 O/C, E/F Protection Relay 1.00 15.00 25.00 15.00 25.00 0.14 0.23 0.14 0.232.2 Master Trip Relay 2.00 0.00 150.00 0.00 300.00 0.00 2.73 0.00 2.732.3 Dc Supervision Relay 2.00 4.50 0.00 9.00 0.00 0.08 0.00 0.08 0.002.4 Trip Coil Supervision Relay 6.00 4.50 15.00 27.00 90.00 0.25 0.82 0.25 0.822.5 Auxillary Relay 9.00 0.00 4.50 0.00 40.50 0.00 0.37 0.00 0.372.6 Indication Lamps 10.00 1.50 0.00 15.00 0.00 0.14 0.00 0.14 0.002.7 Semaphores 5.00 1.50 0.00 7.50 0.00 0.07 0.00 0.07 0.002.8 Energy Meter 1.00 0.50 0.00 0.50 0.00 0.00 0.00 0.00 0.002.9 Annunciator 1.00 20.00 35.00 20.00 35.00 0.18 0.32 0.18 0.322.10 Multifunctioning Meters 4.00 0.50 0.00 2.00 0.00 0.02 0.00 0.02 0.00
0.87 4.46
Nos per panel
Watt per Panel Current per PanelWattage per equipment Total Current
Total for Line Protection Control and Relay Panel
Total for Bus‐Coupler Panel
S.No. Description of Items Nos of panel
3 Transformer Protection Panel 13.1 Differential Protection Relay 1.00 20.00 50.00 20.00 50.00 0.18 0.45 0.18 0.45
3.2Backup (O/C, E/F) Protection Relay
1.00 15.00 25.00 15.00 25.00 0.14 0.23 0.14 0.233.3 Transformer HV REF 1.00 11.00 20.00 11.00 20.00 0.10 0.18 0.10 0.183.4 Master Trip Relay 2.00 0.00 150.00 0.00 300.00 0.00 2.73 0.00 2.733.5 Dc Supervision Relay 2.00 4.50 0.00 9.00 0.00 0.08 0.00 0.08 0.003.6 Trip Coil Supervision Relay 6.00 4.50 15.00 27.00 90.00 0.25 0.82 0.25 0.823.7 Auxillary Relay 9.00 0.00 4.50 0.00 40.50 0.00 0.37 0.00 0.373.8 Indication Lamps 10.00 1.50 0.00 15.00 0.00 0.14 0.00 0.14 0.003.9 Semaphores 5.00 1.50 0.00 7.50 0.00 0.07 0.00 0.07 0.003.10 Energy Meter 1.00 0.50 0.00 0.50 0.00 0.00 0.00 0.00 0.003.11 Annunciator 1.00 20.00 35.00 20.00 35.00 0.18 0.32 0.18 0.323.12 Multifunctioning Meters 4.00 0.50 0.00 2.00 0.00 0.02 0.00 0.02 0.00
1.15 5.10
Continuous Momentary Continuous Momentary1 Circuit Breaker 5
1.1 Spring Charge Motor 1 0 10 0 50
1.2 Trip Coil 6 0.03 3.2 0.9 161.3 Closing Coil 6 0.03 3.2 0.9 16
1.8 822 Disconnecting Switch 14
2.1 Motor 1 0 7 0 982.2 Interlocking Coils 1 0.03 3.2 0.42 44.8
0.42 142.83 Emergency Lighting 4 4
Description of Items
Total for Circuit Breaker
Total for Disconnecting Switch
Nos per Equipment
No of Equipmet
Current per equipment Total Current
Total for Transformer Panel
Outdoor Equipment
S.No.