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1MAC050144-MB C
Section 4
Protection functions
615 series ANSI
279
Technical Manual
4.3.2.7
Settings
Table 275: 81SH non-group settings
Table 276: 81SH group settings
4.3.2.8
Monitored data
Table 277: 81SH monitored data
4.3.2.9
Technical data
Table 278: 81LSH technical data
Parameter
Values (Range)
Unit
Step
Default
Description
Operation
1=enable
5=disable
1=enabl
e
Operation Disable / Enable
Reset delay time
0...60000
ms
1
50
Time delay after which the definite timers will reset
Parameter
Values (Range)
Unit
Step
Default
Description
Load shed mode
1=Freq<
1=Freq<
Set the operation mode for load shedding function
6=Freq< OR df/dt
8=Freq< AND df/dt
Restore mode
1=Disabled
1=Disabled
Mode of operation of restore functionality
2=Auto
3=Manual
Pickup value Freq
0.800...1.200
xFn
0.001
0.975
Frequency setting/pickup value
Pickup value df/dt
-0.200...-0.005
xFn /s
0.005
-0.01
Setting of frequency gradient for df/dt detection
Trip Tm Freq
80...200000
ms
10
200
Time delay to trip for under frequency stage
Trip Tm df/dt
120...200000
ms
10
200
Time delay to trip for df/dt stage
Restore pickup Val
0.800...1.200
xFn
0.001
0.998
Restore frequency setting value
Restore delay time
80...200000
ms
10
300
Time delay to restore
Name
Type
Values (Range)
Unit
Description
START_DUR
FLOAT32
0.00...100.00
%
pickup duration
81LSH
Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
Characteristic
Value
Pickup accuracy
f<
±10 mHz
df/dt
±100 mHz/s (in range |df/dt| < 5 Hz/s)
± 2.0% of the set value (in range 5 Hz/s
< |df/dt| < 15 Hz/s)
Pickup time
f<
< 80 ms
df/dt
< 120 ms
Reset time
< 150 ms
Trip time accuracy
±1.0% of the set value or ±30 ms
Содержание 615 Series ANSI
Страница 1: ...Relion Protection and Control 615 series ANSI Technical Manual ...
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Страница 29: ...1MAC050144 MB C Section 615 series ANSI 22 Technical Manual ...
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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