Description
70/293 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • 802-9081.9
10.5 Motor protection table (with HV HRC fuses make SIBA)
20 … 23 1600 5 … 6 46.5 80 10 … 24 442 30 014 43.80 ---
100 10 … 24 442 30 022 43,100 ---
20 … 23 2000 5 … 6 57.8 100 10 … 24 442 30 022 43,100 ---
System operating
voltage
Transformer HV HRC fuse-link
U
n
[kV] S
r
[kVA] u
k
[%] I
r
[A] I
r
[A] U
r
[kV] e [mm] Order No. SIBA Extension tube SIBA
U
n
System operating voltage
S
r
Rated power of transformer
u
k
Relative impedance voltage of transformer
I
r
Rated current of transformer
I
r
Rated current of fuse-link
U
r
Operating voltage / rated voltage of fuse-link
e Dimension of fuse-link
Number of
starts per
hour
Maximum permissible motor starting current in A at rated normal current
of HV HRC fuse
40 A 50 A 63 A 80 A 100 A 125 A 160 A 200 A 224 A 250 A
3.3 - 7.2 kV Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
>7.2 - 12 kV Yes Yes Yes Yes Yes Yes Yes Yes No No
>12 - 23 kV Yes Yes Yes Yes Yes No No No No No
HV motors with
starting times up to 5
s
2 95 115 135 160 210 415 560 765 860 960
4 85 105 120 145 190 370 500 705 840 960
8 75 95 110 130 170 340 455 640 760 960
16 70 85 95 115 150 300 405 575 680 925
32 63 75 85 105 140 270 370 520 615 840
HV motors with
starting times up to
15 s
2 90 105 120 145 190 335 445 625 730 960
4 80 95 110 130 170 300 400 560 655 890
8 70 85 100 120 155 270 360 510 595 805
16 65 75 90 105 140 240 325 455 535 720
32 60 70 80 95 125 220 290 410 485 655
HV motors with
starting times up to
30 s
2 85 100 115 140 185 300 390 555 645 865
4 75 90 105 125 165 265 350 500 575 780
8 70 80 95 115 150 245 320 450 525 705
16 60 75 85 100 135 210 285 405 470 630
32 55 65 75 90 120 190 260 365 425 570
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