Скачать или смотреть Motor Starting Current Effect on Transformer | Common Design Mistake Explained Most engineers size

Motor Starting Current Effect on Transformer | Common Design Mistake Explained

Most engineers size transformers only based on total kW load —
but motors draw 5 to 6 times full-load current at the moment of starting.
If two or three motors start together, the transformer faces a sudden voltage dip,
causing protection tripping and overload stress.

In this video, I explain how to calculate starting kVA correctly using
the formula (√3 × V × I) / 1000,
and why ignoring this step is one of the biggest design mistakes seen on real sites.

This video is part of my practical transformer-sizing series for working electrical engineers.

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#TransformerSizing #ElectricalDesign #MotorStarting #PowerDistribution #PracticalEngineering #ElectricalEngineer #SiteExecution #short