ABB CKO-5, Руководство пользователя

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41-101.3A Type CKO Overcurrent Relay
6
†
Thermal capacities for short times other than one second maybe calculated on
the basis of time being inversely proportional to the square of the current.
ø
Degrees current lags voltage at tap value current.
††
Voltages taken with Rectox type voltmeter.
ENERGY REQUIREMENTS
TYPE CKO-5 AND TYPE CKO-6 TIME OVERCURRENT UNITS
VOLT AMPERES
††
CONTINUOUS ONE SECOND POWER AT AT 3 TIMES AT 10 TIMES AT 20 TIMES
AMPERE RATING RATING
†
FACTOR TAP VALUE TAP VALUE TAP VALUE TAP VALUE
RANGE TAP (AMPERES) (AMPERES) ANGLE
ø
CURRENT CURRENT CURRENT CURRENT
0.5 2.7 88 69 3.92 20.6 103 270
0.6 3.1 88 68 3.96 20.7 106 288
0.8 3.7 88 67 3.96 21.0 114 325
0.5-2.5 1.0 4.1 88 66 4.07 21.4 122 360
1.5 5.7 88 62 4.19 23.2 147 462
2.0 6.8 88 60 4.30 24.9 168 548
2.5 7.7 88 58 4.37 26.2 180 630
2 8.0 230 67 3.88 21.0 110 308
2.5 8.8 230 66 3.90 21.6 118 342
3 9.7 230 64 3.93 22.1 126 381
2-6 3.5 10.4 230 63 4.09 23.1 136 417
4 11.2 230 62 4.12 23.5 144 448
5 12.5 230 59 4.20 24.8 162 540
6 13.7 230 57 4.38 26.5 183 624
4 16.0 460 65 4.00 22.4 126 376
5 18.8 460 63 4.15 23.7 143 450
6 19.3 460 61 4.32 25.3 162 531
4-12 7 20.8 460 59 4.35 26.4 183 611
8 22.5 460 56 4.40 27.8 204 699
10 25.0 460 53 4.60 30.1 247 880
12 28.0 460 47 4.92 35.6 288 1056
CKO-7 TIME OVERCURRENT UNITS
VOLT AMPERES
††
CONTINUOUS ONE SECOND POWER AT AT 3 TIMES AT 10 TIMES AT 20 TIMES
AMPERE RATING RATING
†
FACTOR TAP VALUE TAP VALUE TAP VALUE TAP VALUE
RANGE TAP (AMPERES) (AMPERES) ANGLE
ø
CURRENT CURRENT CURRENT CURRENT
0.5 2.7 88 68 3.88 20.7 103 278
0.6 3.1 88 67 3.93 20.9 107 288
0.8 3.7 88 66 3.93 21.1 114 320
0.5-2.5 1.0 4.1 88 64 4.00 21.6 122 356
1.5 5.7 88 61 4.08 22.9 148 459
2.0 6.8 88 58 4.24 24.8 174 552
2.5 7.7 88 56 4.38 25.9 185 640
2 8.0 230 66 4.06 21.3 111 306
2.5 8.8 230 63 4.07 21.8 120 342
3 9.7 230 63 4.14 22.5 129 366
2-6 3.5 10.4 230 62 4.34 23.4 141 413
4 11.2 230 61 4.34 23.8 149 448
5 12.5 230 59 4.40 25.2 163 530
6 13.7 230 58 4.62 27.0 183 624
4 16.0 460 64 4.24 22.8 129 392
5 18.8 460 61 4.30 24.2 149 460
6 19.3 460 60 4.62 25.9 168 540
4-12 7 20.8 460 58 4.69 27.3 187 626
8 22.5 460 55 4.80 29.8 211 688
10 25.0 460 51 5.20 33.0 260 860
12 28.0 460 46 5.40 37.5 308 1032