Archive for December, 2021

Inverter grid synchronisation – Six AC system frequency facts

December 9, 2021 by Hamish Laird

With inverter grid synchronisation the key problem is that the grid frequency can vary.  In fact the frequency of AC systems around the world is different and is constantly changing. Aircraft AC systems run at 400Hz three phase.  They do this to make the motors lighter with less iron due to the volt second integral being […]

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