ABB PQFS User Manual

Manual Power Quality Filter PQFS  Electrical design and installation 41
WARNING: Consult your cable manufacturer for the applicable cable manufacturer
data.
Table 19: Allowed cable current for different cable sections noting the skin effect and typical
cable manufacturer data – Network frequency 50Hz
Copper
Aluminum
Cross section
Nr of
parallel
cables
Derating
due to
paralleling
Rated
current
[Arms]
Reduction
factor
Allowed
current
[Arms]
Rated
current
[Arms]
Reduction
factor
Allowed
current
[Arms]
[mm²]
[AWG]
16 6 1 1 100
0.997
100 75
0.999
75
25 4 1 1 130
0.993
125 100
0.997
100
35 2 1 1 160
0.987
158 120
0.994
119
50
1-1/0
1 1
190
0.975
185 145
0.989
142
70 2/0 1 1 230
0.955
220 180
0.98
176
95 3/0 1 1 285
0.93
265 220
0.965
210
120 4/0 1 1 325
0.904
290 250
0.95
238
150 300MCM 1 1 365
0.877
320 285
0.93
265
185 350MCM 1 1 415
0.844
350 325
0.908
295
240 500MCM 1 1 495
0.804
390 385
0.876
335
300 600MCM 1 1 550
0.768
420 425
0.843
358
16 6 2 0.8 160
0.997
159 120
0.999
120
25 4 2 0.8 208
0.993
205 160
0.997
160
35 2 2 0.8 256
0.987
250 192
0.994
190
50 1-1/0 2 0.8 304
0.975
290 232
0.989
229
70 2/0 2 0.8 368
0.955
350 288
0.98
282
95 3/0 2 0.8 456
0.93
420 352
0.965
340
120 4/0 2 0.8 520
0.904
470 400
0.95
380
150 300MCM 2 0.8 584
0.877
510 456
0.93
424
185 350MCM 2 0.8 664
0.844
560 520
0.908
472
240 500MCM 2 0.8 792
0.804
630 616
0.876
540
300 600MCM 2 0.8 880
0.768
675 680
0.843
573
Remark: The highlighted values in Table 19 refer to cable sizes that correspond to typical
filter ratings. Note that in 4-wire systems, the neutral may have to carry up to 3 times
the line current rating of the filter.

ABB PQFS Specifications

General

Brand	ABB
Model	PQFS
Category	Industrial Electrical
Language	English