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Users Manual
42
Active power of logging
interval per phase
∑
=
⋅=
M
j
j
bas
P
M
P
1
1
P
bas j
to 200 ms value
M: Number of 200 ms intervals per logging interval
Total active power on all
three phases
∑
=
=
3
1k
ktotal
PP
P
k
: Active power of the phase
k: Phase (k = 1, 2, 3)
Absolute value of the
active power per interval
per phase
∑
=
⋅=
M
j
j
basbetr
P
M
P
1
1
Sum of the absolute
values of the active power
on all three phases
∑
=
++=
M
j
basbasbas
total
betr
PPP
M
P
1
321
1
Apparent power based on
RMS values of voltage
and current. Basic values
on 200 ms per phase
basbasbas
IVS .=
Apparent power per
logging interval per phase
∑
=
⋅=
M
j
j
bas
S
M
S
1
1
S
bas j
: 200 ms value
M: Number of 200 ms intervals per logging interval
Total apparent power on
three phases
∑
=
=
3
1K
ktotal
SS
k: Phase (k = 1, 2, 3)