Fluke 1738/B User Manual page 34

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Users Manual
3-Ф High Leg Delta
Example: This topology is used to provide an additional voltage that is
half the phase to phase voltage.
Energy Study
Load Study (no voltage measurement)
28
3-Ф Delta Balanced
Example: For symmetrical loads like motors, the connection is
simplified with only one phase measurement and assuming the same
voltages/currents on the other phases.
Energy Study
Load Study (no voltage measurement)