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4.21. IEC 60255-151 Curves
The IEC curves follow the following mathematical equation:
K
D
B
Q
V
D
A
t
P
Where:
adjusted
I
I
V
And we have the following curves:
•
Inverse Curve
•
Very Inverse Curve
•
Extremely Inverse Curve
Which relate to the parameters figuring in the following table:
Parameters
A
P
Q
B
K
Ext. Inverse
80
2
1
0
0
Very Inverse
13.5
1
1
0
0
Inverse
0.14
0.02
1
0
0
The curve can mode from its axis using the D time selection device, which the user can adjust.
I
adjusted
is the initial operating current, set by the user.
Содержание SIL B
Страница 1: ...EN_FANOXTD_MANU_SIL_Feeder_SILB_R023 Docx USER S MANUAL SIL B Feeder Relay...
Страница 8: ...www fanox com Rev 23 8 311 2 DIMENSIONS AND CONNECTION DIAGRAMS 2 1 Equipment front view...
Страница 9: ...www fanox com Rev 23 9 311 2 2 Equipment dimensions...
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Страница 11: ...www fanox com Rev 23 11 311 2 3 Cut out pattern CUT OUT PATTERN...
Страница 12: ...www fanox com Rev 23 12 311 2 4 Connection diagrams Analog connections...
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Страница 14: ...www fanox com Rev 23 14 311 Digital connections Outputs and Trip circuit supervision...
Страница 15: ...www fanox com Rev 23 15 311 2 5 Terminals IEC 61850 or DNP3 0 protocols...
Страница 17: ...www fanox com Rev 23 17 311 IEC 60870 5 103 protocol...
Страница 25: ...www fanox com Rev 23 25 311 3 3 Functional diagram...
Страница 28: ...www fanox com Rev 23 28 311 3 5 1 SIL B 1 CHARGE CURVE 3 5 2 SIL B 5 CHARGE CURVE...
Страница 38: ...www fanox com Rev 23 38 311 4 6 4 Thermal protection curves This is the thermal curve for 3 minutes...
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Страница 194: ...www fanox com Rev 23 194 311 Polarization V 35 0 V C Operating Angle 180 C Halfcone Angle 3 C...
Страница 307: ...www fanox com Rev 23 307 311 50BF init Fault init 79 Closure permission 52 closure permission...
Страница 308: ...www fanox com Rev 23 308 311 12 8 LED s configuration LEDs Blinking Latch Negate d LED On LED 1 LED 2 LED 3 LED 4 LED 5...
Страница 310: ...www fanox com Rev 23 310 311 NOTES...
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