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ABB SDG-1T Instruction Leaflet page 9

Static ground distance

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POSITIVE SEQUENCE (Z
S = 1
T
.230
.307
.383
.537
.272
.362
.452
.632
.264
.352
.441
.617
.258
.344
.430
.601
.251
.335
.418
.585
.244
.325
.405
.570
.237
.316
.396
.555
.230
.307
.383
.537
.223
.298
.370
.520
.216
.288
.360
.505
.209
.280
.348
.488
.202
.270
.336
.472
1.95
.260
.324
.456
.188
.252
.314
.440
.2 - 4.35 OHMS RELAY RANGE
)
1
.69
.92
1.23
T
.69
0
.815
1.09
1.45
.815
.794
1.06
1.41
.794
.772
1.03
1.38
.772
.754
1.00
1.34
.754
.732
.975
1.30
.732
.710
.950
1.27
.710
.69
.920
1.23
.69
.670
.892
1.19
.670
.650
.865
1.15
.650
.627
.840
1.12
.627
.607
.810
1.08
.607
.587
.782
1.05
.587
.565
.755
1.01
.565
Table 1I
ZERO SEQUENCE (Z
)
0
S = 1
.921
1.15
1.61
2.07
2.76
1.09
1.36
1.90
2.44
3.26
1.06
1.32
1.85
2.38
3.18
1.03
1.29
1.80
2.32
3.10
1.00
1.25
1.76
2.26
3.00
.975
1.22
1.71
2.20
2.92
.950
1.18
1.66
2.13
2.84
.921
1.15
1.61
2.07
2.76
.892
1.12
1.56
2.00
2.68
.865
1.08
1.52
1.95
2.60
.840
1.05
1.47
1.88
2.51
.810
1.01
1.42
1.82
2.43
.782
.980
1.37
1.76
2.35
.755
.940
1.32
1.70
2.26
M
CONNECT
"L"
LEAD
3.69
+M
–M
TO
TAP
4.40
+.18
.06
4.25
+.15
.06
4.15
+.12
.09
4.04
+.09
.09
3.92
+.06
.06
3.80
+.03
.03
3.69
0
0
0
3.58
–.03
0
3.46
–.06
.09
3.36
–.09
.03
3.25
–.12
0
3.14
–.15
.03
3.02
–.18
0
"R" LEAD
TO TAP
0
.03
0
.03
.09
0
0
.03
.06
.09
.09
.06
.06

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