The University of Hongkong

Haoyuan Yang

Shu Yuen Ron Hui

A method and an apparatus of estimating power using a plurality of branch load circuits associated with a mains three phase power supply, comprises: a voltage sensor () coupled to a mains power supply; a non-intrusive magnetic flux sensor array () coupled to a plurality of branch load circuits (), the branch load circuits () coupled to the main power supply; and a computing device coupled to the voltage sensor () and the non-intrusive magnetic flux sensor array (), in which a set of current-flux conversion values are to be stored in memory of the computing device.

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Hong Kong, China

Haoyuan Yang