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Distribution system
3-phase 3-wire
(L1, L2 and L3)
Indicate which current
sensors will be connected: all
3 (3A) or only 2 (A1 and A2, or
A2 and A3, or A3 and A1).
Three-wattmeter method with
virtual neutral (with 3 sensors
connected) or two-wattmeter
method or two-element
method or Aron method (with
2 sensors connected).
A third sensor is not
necessary if two sensors of
the same type, same range,
and same ratio are connected.
Otherwise, the third sensor
must be connected to make
current measurements.
Source
3-phase star 3-wire
3-phase delta 3-wire
3-phase open delta 3-wire
3-phase open delta 3-wire grounded junction of phases
3-phase open delta 3-wire grounded corner of phase
3-phase high leg delta 3-wire
3-phase open high leg delta 3-wire
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