A-4 Feature Calculations; A-4-1 Feature Values Of Voltage System; Feature Values Of Voltage System - Omron K7DD User Manual

A-4 Feature Calculations

This section provides the mathematical equations for the feature values calculated by the K7DD.
A-4-1

Feature Values of Voltage System

ID Feature
R.M.S. voltage
0
V
RMS
Voltage
waveform
1
peak+
V
Peak+
Voltage
waveform
2
peak-
V
Peak-
Power Line Data Generator User's Manual (N233)
3P3W2M
Σ M-1
1
(
V
=
V
RMS(12)
(12)s
M
s=0
V = V − V
(12)s
(1)s (2)s
M-1
Σ
1
(
V
=
V
RMS(23)
(23)s
M
s=0
V = V − V
(23)s (2)s (3)s
Σ M-1
1
(
V
=
V
RMS(31)
(31)s
M
s=0
V = V − V
(31)s
(3)s (1)s
s : Sampling point
M : Number of samplings
Peak(1) ＋ =
V V
(12)s Max. value among samplings
Peak(2) ＋ =
V V
(23)s
Max. value among samplings
Peak(3) ＋ =
V V
(31)s
Max. value among samplings
s : Sampling point
M : Number of samplings
=
V V
(12)s Min. value among samplings
Peak(1) −
=
V V
(23)s
Min. value among samplings
Peak(2)
−
=
V V
(31)s
Peak(3)
− Min. value among samplings
s : Sampling point
M : Number of samplings
Wiring state
2
)
2
)
V
RMS(c)
c : Measuring channel (1 to 3)
s : Sampling point
M : Number of samplings
2
)
Peak(c) ＋ =
V
c : Measuring channel (1 to 3)
s : Sampling point
M : Number of samplings
=
V
Peak(c) −
c : Measuring channel (1 to 3)
s : Sampling point
M : Number of samplings
A Appendices
3P4W
Σ M-1
1
2
( )
=
V
(c)s
M
s=0
V
Max. value among
(c)s
samplings
V
Min. value among
(c)s
samplings
A - 13
A