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Section 4
1MAC050144-MB C
Protection functions
368
615 series ANSI
Technical Manual
4.6.2.7
Settings
Table 324: 87T Group settings
Parameter
Values (Range)
Unit Step Default
Description
High trip value
500...3000
%I
n
10
1000
Unrestrained stage setting
Enable high set
0=False 1=True
1=True
Enable high set stage
Low trip value
5...50
%I
n
1
20
Basic setting for biased operation
Slope section 2
10...50
%
1
30
Slope of the second line of the operating characteristics
End section 2
100...500
%I
n
1
150
Turn-point between the second and the third line of the
operating characteristics
Restraint Mode
-1=2.h + 5.h + wav
5=Waveform 6=2.h
+ waveform 7=5.h
+ waveform
-1=2.h + 5.h + wav
Restraint Mode
Harmonic deblock 2.H
0=False 1=True
1=True
Selects if the 2. harmonic deblocking is allowed in case of
switch on to a fault (Allow / Do not allow)
Pickup value 2.H
7...20
%
1
15
The ratio of the 2. harmonic to fundamental component
required for blocking
Pickup value 5.H
10...50
%
1
35
The ratio of the 5. harmonic to fundamental component
required for blocking
Stop value 5.H
10...50
%
1
35
The ratio of the 5. harmonic to fundamental component
required to remove 5. harmonic blocking
Harmonic deblock 5.H
0=False 1=True
0=False
Selects if the 5. harmonic deblocking is allowed in case
ofsevere overvoltage situation (Allow / Do not allow)
Содержание 615 Series ANSI
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Страница 389: ...Section 4 1MAC050144 MB C Protection functions 382 615 series ANSI Technical Manual ...
Страница 485: ...Section 6 1MAC050144 MB C Supervision functions 478 615 series ANSI Technical Manual ...
Страница 635: ...Section 10 1MAC050144 MB C Other functions 628 615 series ANSI Technical Manual ...
Страница 707: ...Section 15 1MAC050144 MB C Applicable standards and regulations 700 615 series ANSI Technical Manual ...
Страница 711: ...Section 16 1MAC050144 MB C Glossary 704 615 series ANSI Technical Manual ...
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