Event Reports and SER Functions 11-29
SEL-300G Instruction Manual
Date Code 20060731
DWG: M300G155
IA
event report column
(-842) +(-906)
2
2
(-906) +(1160)
2
2
(940) +(-842)
2
2
940
-842
-906
1160
= 1262
= 1237
= 1472
2081 A
peak
=
2
1472 A
RMS
multiply by
2
1
94
0
-8
42
-9
06
11
60
multiply by
2
1
13
29
-1
19
0
-1
28
1
16
40
IA
peak
= 2081 A
peak
940
-842
-906
1160
I
A
cyc
1
4
t
Figure 11.4: Derivation of Event Report Current Values and RMS Current Values
From Sampled Current Waveform
In Figure 11.4, note that any two rows of current data from the event report in Figure 11.2,
1/4 cycle apart, can be used to calculate rms current values.
Содержание SEL-300G
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