65
9
Specifications
65
Chapter
9
Each measurement points of voltage and computing equation of sum value
1P2W
Each measurement point
3P3W
sum value
Note) The aforementioned case applies to RMS value.
In case of average rectified value calculated by RMS and simple
average value,
U
(i)
is replaced with
U
mn
(i)
U
DC
(i)
.
Computing equation of current relation
RMS value
(i): Measurement point, M: Number of samples between
synchronization timings, s: Sample point number
Each measurement point of current and computing equation of sum value
1P2W
Each measurement point
3P3W
sum value
Computing equation related to electric power
Effective power
Apparent power
Reactive power
Power factor
(i): Measurement point, M: Number of samples between
synchronization timings, s: Sample point number
Σ
M-1
s=0
(
u
(i)
s
)
2
U
(i)
=
M
1
U
sum
=
3
(
U
(UV)
+ U
(VW)
+ U
(WU)
)
1
I
(i)
=
Σ
M-1
s=0
M
(
i
(i)
s
)
2
1
Basic computing equation
I
rms
(i)
I
sum
=
3
(
I
(U)
+ I
(V)
+ I
(W)
)
1
P
(i)
=
Σ
M-1
s=0
M
(
u
(i)
s
×
i
(i)
s
)
1
S
(i)
= U
(i)
×
I
(i)
S
(i)
-
P
(i)
Q
(i)
=
2
2
λ
(i)
=
S
(i)
P
(i)
Содержание UPM100
Страница 1: ...UPM100 10JUN2015REV 1 02 POWER MONITOR OPERATION MANUAL ...
Страница 9: ...Contents VIII Contents VIII M E M O ...
Страница 78: ...69 9 Specifications 69 Chapter 9 9 2 External dimensions Unit mm 㸦 r 㸧 㼃㼔㼑㼚㻌㼡㼟㼕㼚㼓㻌㼍㻌㼟㼠㼍㼚㼐 ...
Страница 89: ......