Danfoss VLT AutomationDrive FC 302 - Page 167

Motor cable length, m (ft)
dv/dt (kV/µs)
0
100
(328)
200
(656)
1.00
2.00
3.00
4.00
5.00
6.00
300
(984)
e30bu008.10
1
2
3
4
1 Unshielded cable with no lter
2 Shielded cable with no lter
3 Unshielded cable with dU/dt lter
4 Shielded cable with dU/dt lter
Illustration 10.21 dU/dt at Motor Terminals for Enclosures E2h/
E4h, 525–690 V
Motor cable length, m (ft)
Vpp/Vline
0
100
(328)
200
(656)
0.50
1.50
2.00
3.00
3.50
4.00
300
(984)
e30bu009.10
2.50
1.00
1
2
3
4
1 Unshielded cable with dU/dt lter
2 Shielded cable with dU/dt lter
3 Shielded cable with no lter
4 Unshielded cable with no lter
Illustration 10.22 Peak Voltages at Motor Terminals for
Enclosures E2h/E4h, 525–690 V
Motor cable length, m (ft)
dv/dt (kV/µs)
0
100
(328)
200
(656)
0.50
1.00
1.50
2.00
2.50
300
(984)
e30bu010.10
1
2
3
4
1 Shielded cable with no lter
2 Unshielded cable with no lter
3 Unshielded cable with dU/dt lter
4 Shielded cable with dU/dt lter
Illustration 10.23 Peak Voltages at Motor Terminals for
Enclosures E2h/E4h, 525–690 V
Motor cable length, m (ft)
Vpp/Vline
0
100
(328)
200
(656)
0.50
1.50
2.00
3.00
3.50
4.00
300
(984)
e30bu011.10
2.50
1.00
1
2
3
4
1 Unshielded cable with dU/dt lter
2 Shielded cable with dU/dt lter
3 Shielded cable with no lter
4 Unshielded cable with no lter
Illustration 10.24 Peak Voltages at Motor Terminals for
Enclosures E2h/E4h, 525–690 V
Electrical Installation Con... Design Guide
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