Siemens SIPROTEC 4 7UT6 Series Manual page 170

Functions
2.5 Time Overcurrent Protection for Earth Current
Addr. Parameter
2408A IE MAN. CLOSE
2411 IE>>
2412 T IE>>
2413 IE>
2414 T IE>
2421 IEp
2422 T IEp
2423 D IEp
2424 TOC DROP-OUT
2425 IEC CURVE
2426 ANSI CURVE
2431 I/IEp PU T/TEp
2432 MofPU Res T/TEp
2441 2.HARM. Earth
2442 I Max InRr. E
2511 IE>>
2512 T IE>>
2513 IE>
2514 T IE>
2521 IEp
2522 T IEp
2523 D IEp
170
C Setting Options
IE>> instant.
IE> instant.
IEp instant.
Inactive
1A 0.05 .. 35.00 A; ∞
5A 0.25 .. 175.00 A; ∞
0.00 .. 60.00 sec; ∞
1A 0.05 .. 35.00 A; ∞
5A 0.25 .. 175.00 A; ∞
0.00 .. 60.00 sec; ∞
1A 0.05 .. 4.00 A
5A 0.25 .. 20.00 A
0.05 .. 3.20 sec; ∞
0.50 .. 15.00 ; ∞
Instantaneous
Disk Emulation
Normal Inverse
Very Inverse
Extremely Inv.
Long Inverse
Very Inverse
Inverse
Short Inverse
Long Inverse
Moderately Inv.
Extremely Inv.
Definite Inv.
1.00 .. 20.00 I/Ip; ∞
0.01 .. 999.00 TD
0.05 .. 0.95 I/Ip; ∞
0.01 .. 999.00 TD
10 .. 45 %
1A 0.30 .. 25.00 A
5A 1.50 .. 125.00 A
1A 0.05 .. 35.00 A; ∞
5A 0.25 .. 175.00 A; ∞
0.00 .. 60.00 sec; ∞
1A 0.05 .. 35.00 A; ∞
5A 0.25 .. 175.00 A; ∞
0.00 .. 60.00 sec; ∞
1A 0.05 .. 4.00 A
5A 0.25 .. 20.00 A
0.05 .. 3.20 sec; ∞
0.50 .. 15.00 ; ∞
Default Setting Comments
IE>> instant. O/C IE Manual Close Mode
1.00 A IE>> Pickup
5.00 A
1.50 sec T IE>> Time Delay
0.40 A IE> Pickup
2.00 A
2.00 sec T IE> Time Delay
0.40 A IEp Pickup
2.00 A
0.50 sec T IEp Time Dial
5.00 D IEp Time Dial
Disk Emulation TOC Drop-out Character-
istic
Normal Inverse IEC Curve
Very Inverse ANSI Curve
Pickup Curve IE/IEp - TIE/
TIEp
Multiple of Pickup <-> TI/
TIEp
15 % 2nd harmonic O/C E in % of
fundamental
7.50 A Maximum Current for Inr.
Rest. O/C Earth
37.50 A
7.00 A IE>> Pickup
35.00 A
1.50 sec T IE>> Time Delay
1.50 A IE> Pickup
7.50 A
2.00 sec T IE> Time Delay
1.00 A IEp Pickup
5.00 A
0.50 sec T IEp Time Dial
5.00 D IEp Time Dial
SIPROTEC 4, 7UT6x, Manual
C53000-G1176-C230-5, Edition 09.2016