Calculation of Fire Pump Conductor and Circuit Breaker

[TMMB]

Hi for all

I have 4 fire pumps rating 225KW for each , 3 pumps are working and one standby and there is jockey pump with rating 75KW

i need to know the follwing:

1- sizing of each pump feeder cable & circuit breaker
3- sizing of service transformer , its main circuit breaker and feeder size from transformer to main distribution panel

the distance between transformer and main panel is 50 meter and between main panel to each pump is 30 meter


Please advice how can sizing that

 

[Shoe]

What country is this installation located? The National Electrical Code (USA) has very specific requirements for fire pump feeder sizing and configuration. Are you under the NEC?