UPS Sizing Calculation Excel Sheet xls

 

UPS is an (Uninterruptible Power Supply) system that provides emergency power source to a load when the main power source fails. The ups is important for low current systems such as fire alarm, CCTV (security cameras) and other systems that needs power source all the time.

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UPS Sizing Calculation Excel Sheet

UPS Battery calculator xls:

Download UPS Calculator excel sheet

To get the Ampere of the the battery bank required:

1. Enter electrical load details
2. Enter Battery Bank's Voltage
3. Enter Reserve Day: (How many days Do you want to get Power from battery Banks)
4. Enter Loose Connection/Wire Loss Factor
5. Enter Battery Efficiency 
6. Battery Aging
7. Depth of Discharge:(DOD) 
8. Battery Operating temperature

The results will be as the following:

• Type of Connection For Batteries 
• Batteries Connection type
• Each Battery Voltage 
• Number of String for Battery Bank 
• Total Amp.Hr of Each String 
• Total No of Battery in Each String

 

To get the Size of Invertor:

1. Calculate Additional Future Load 
2. Enter the Efficiency of Invertor

With this excel sheet calculator you will be able to make sizing and selection for UPS battery and the inverter.