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Anonymous Poster

Electrical Design

02/17/2011 10:48 AM

HOW TO CALCULATE GENERATOR LOAD IN AN APARTMENT.

LOAD FOR BLOCK1=194650VA

LOAD FOR BLOCK 2=79190VA

EQUIPMENT LOAD=32587.5 VA

WHAT HP WATER PUMP SHOULD BE USED IN AN THREE STOREYED APARTMENT?

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Guru
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#1

Re: ELECTRICAL DESIGN

02/17/2011 11:14 AM

What do you want to know? Generator or pump rating? Your question makes no sense!

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Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
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#2

Re: Electrical Design

02/17/2011 4:04 PM
  1. Turn off Caps Lock. Readers of this forum are case-sensitive.
  2. Add the three figures together. Assuming these loads are on all the time would give the maximum generator capacity for sizing purposes. If they are not on all the time then downsize the generator by the diversity factor of the load.
  3. The shaft power required by any incompressible fluid mover is the same as it has always been - the volumetric flowrate multiplied by the pressure rise divided by the efficiency.
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Anonymous Poster
#3

Re: Electrical Design

02/18/2011 5:15 AM

Dear Guest, Add up all the loads.Use a diversity factor of 0.7 & a load factor of 1.25 ( to take care of the starting loads of the equipments) DG Kva= 306.427 x (0.7 x 1.25)= 268.123 Kva. Select the DG set nearest to 268 Kva. Choose 250 or 320 Kva depending upon the per Kva cost of the set & operational and Maintenance costs. Manroop.Chennai.

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