How to Calculate Cable Size by Hand and using Software || Based on Voltage Drop and Current Rating

How to perform cable sizing calculations for 6 x 22 kW (45 A/phase) motors in accordance with Standard AS/NZS 3008 by hand and using the software.
Software used was Cable Pro Web https://elek.com.au/electrical-software/elek-cable-pro-web/
Minimum conductor size based on voltage drop and current rating requirements.
It's very important to understand how to perform the hand calculations.

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