1744/1743

Users Manual

Total active power of the fundamental for three phases

Apparent power of the fundamental per phase. Basic value for 200 ms.

Apparent power of the fundamental per phase per interval

Power factor of the fundamental per phase

Total power factor on all three phases

Active energy per phase and total

3

Ph1total = ⋅Ph1k

k=1

Sh1bas

= V1.I1

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

M

 

 

 

 

 

 

 

 

 

 

 

 

Sh1 =

 

Sh1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M

 

j=1

bas j

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cosϕ 1

=

 

Ph1total

 

 

Qh1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sh1

 

Qh1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ph1total

 

 

 

 

Qh1

 

 

 

 

 

 

 

 

 

cosϕ 1total

=

 

 

 

 

 

 

 

 

 

 

 

total

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sh11

+ Sh12 + Sh13

 

Qh1total

 

 

 

 

Active power accumulated on each logging interval

Sign of PF, tan φ, cos φ:

Sign “+” : Q positive (“inductive”)

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

44

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