12
Digidrive SK Technical Data
www.leroy-somer.com Issue Number: a
4 DC bus design
Table 4-1 Digidrive SK 200V units DC bus data
Table 4-2 Digidrive SK 400V units DC bus data
Table 4-3 Inrush resistor
LS Model
CT Model
DC Bus Capacitance
µ
F
DC bus inductance
mH
Inrush resistance
Ω
at 25
o
C
0.5M
SKA1200025
330
22
1M
SKA1200037
390
22
1.2M
SKA1200055
660
22
1.5M
SKA1200075
780
22
2M/TL
SKBD200110
940
44
2.5M/TL
SKBD200150
1410
44
3.5M/TL
SKCD200220
1880
66
LS Model
CT Model
DC Bus Capacitance
µ
F
DC bus inductance
mH
Inrush resistance
Ω
at 25
o
C
1T
SKB3400037
165
44
1.2T
SKB3400055
165
44
1.5T
SKB3400075
165
44
2T
SKB3400110
195
44
2.5T
SKB3400150
235
44
3.5T
SKC3400220
470
66
4.5T
SKC3400300
470
66
5.5T
SKC3400400
470
66
Frame
Voltage
Power
Rating
(kW)
Inrush
Resistor
(
Ω
)
Number
in series
Effective
Inrush
Resistance
(
Ω
)
Pk
Inrush
Current
(A)
A
200
0.25
22
1
22
17.9
A
200
0.37
22
1
22
17.9
A
200
0.55
22
1
22
17.9
A
200
0.75
22
1
22
17.9
B
200
1.1
22
2
44
8.9
B
200
1.5
22
2
44
8.9
B
400
0.37
22
2
44
17.9
B
400
0.55
22
2
44
17.9
B
400
0.75
22
2
44
17.9
B
400
1.1
22
2
44
17.9
B
400
1.5
22
2
44
17.9
C
200
2.2
22
3
66
6.0
C
400
2.2
22
3
66
11.9
C
400
3
22
3
66
11.9
C
400
4
22
3
66
11.9