10.13.1 dU/dt Test Results for Enclosures D1h–D8h
Test results for 380–500 V
Power size [kW (hp)]
Cable [m (ft)]
Mains voltage [V]
Rise time [
µ
s]
Peak voltage [V]
dU/dt [V/
µ
s]
90–132 (125–200)
30 (98)
500
0.26
1180
2109
150 (492)
500
0.21
1423
3087
300 (984)
500
0.56
1557
1032
160–250 (250–350)
30 (98)
500
0.63
1116
843
150 (492)
500
0.80
1028
653
300 (984)
500
0.71
835
651
Table 10.25 NEMA dU/dt Test Results for D1h–D8h with Unshielded Cables and No Output Filter, 380–500 V
Power size [kW (hp)]
Cable [m (ft)]
Mains voltage [V]
Rise time [
µ
s]
Peak voltage [V]
dU/dt [V/
µ
s]
90–132 (125–200)
30 (98)
500
0.71
1180
1339
150 (492)
500
0.76
1423
1497
300 (984)
500
0.91
1557
1370
160–250 (250–350)
30 (98)
500
1.10
1116
815
150 (492)
500
2.53
1028
321
300 (984)
500
1.29
835
517
Table 10.26 IEC dU/dt Test Results for D1h–D8h with Unshielded Cables and No Output Filter, 380–500 V
Power size [kW (hp)]
Cable [m (ft)]
Mains voltage [V]
Rise time [
µ
s]
Peak voltage [V]
dU/dt [V/
µ
s]
90–132 (125–200)
30 (98)
500
–
–
–
150 (492)
500
0.28
1418
2105
300 (984)
500
0.21
1530
2450
160–250 (250–350)
30 (98)
500
–
–
–
150 (492)
500
0.23
1261
2465
300 (984)
500
0.96
1278
597
Table 10.27 NEMA dU/dt Test Results for D1h–D8h with Shielded Cables and No Output Filter, 380–500 V
Power size [kW (hp)]
Cable [m (ft)]
Mains voltage [V]
Rise time [
µ
s]
Peak voltage [V]
dU/dt [V/
µ
s]
90–132 (125–200)
30 (98)
500
–
–
–
150 (492)
500
0.66
1418
1725
300 (984)
500
0.96
1530
1277
160–250 (250–350)
30 (98)
500
–
–
–
150 (492)
500
0.56
1261
1820
300 (984)
500
0.78
1278
1295
Table 10.28 IEC dU/dt Test Results for D1h–D8h with Shielded Cables and No Output Filter, 380–500 V
Test results for 525–690 V
NEMA does not provide dU/dt results for 690 V.
Power size [kW (hp)]
Cable [m (ft)]
Mains voltage [V]
Rise time [
µ
s]
Peak voltage [V]
dU/dt [V/
µ
s]
55–132 (60–150)
30 (98)
690
–
–
–
150 (492)
690
1.11
2135
1535
300 (984)
690
1.28
2304
1433
160–315 (200–350)
30 (98)
690
–
–
–
150 (492)
690
0.42
996
1885
300 (984)
690
1.38
2163
1253
Table 10.29 IEC dU/dt Test Results for D1h–D8h with Unshielded Cables and No Output Filter, 525–690 V
Electrical Installation Con...
Design Guide
MG38C202
Danfoss A/S © 01/2018 All rights reserved.
161
10
10