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Ups Capacity Calculation And Selection

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Uninterruptible Power Supply(UPS) capacity calculation and selection
First, obtain the total power consumption of the load and unify the unit to KVA.

For example: the load of a general personal computer is about 200VA, the load of a small server is about 1500VA, and the load of a large and medium-sized server is about 3000VA.

The conversion relationship between current I (ampere) and power consumption W (watt) and VA:

VA= I*220

VA= W/0.8 (usually 0.7 for 20KVA or less and 0.8 for 20KVA or more)

Considering that the UPS is running in the range of 60-80% is the best operating state, it is generally recommended to divide the above result by 0.8 and enlarge it again when calculating.

Then select the closest power product in the product manual and use the constant power mode calculation method

W/cell = PL/(N×6×η)

Ups Capacity Calculation And Selection

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