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Fluke 1744 User Manual

Page 49

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Users Manual

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Tangent φ total on all three phases

total

total

total

P

Q

=

ϕ

tan

Active energy per phase and total

Active power accumulated on each
logging interval

Note

The sign of the active power P gives the direction of the power flow
(positive: from generator to load), and the sign of the power factor
distinguishes between inductive load (positive) and capacitive load
(negative).

Sign of PF, tan φ, cos φ:

Sign “+” : Q positive (“inductive”)

Sign “–” : Q negative (“capacitive”) independent of the sign of active

power P

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