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Compared to the four conductor system, the use of symmetrical shielded cable reduces
electromagnetic emission of the whole converter system as well as generator bearing
currents and wear.
Note: The cabinet configuration of the converter may require multiple supply and/or
generator cabling. Refer to the connection diagrams in chapter
The generator cable and its PE pigtail (twisted screen) should be kept as short as possible
in order to reduce electromagnetic emission as well as capacitive current.
Typical power cable sizes
IEC
The maximum number of cables to be connected are shown below.
Rotor-side converter cables
Type name
ACS800-67LC-1075/0575-7
ACS800-67LC-1375/0575-7
ACS800-67LC-1375/1125-7
ACS800-67LC-1595/0865-7
ACS800-67LC-2035/1125-7
Grid-side converter cables (or cables to the power cabinet (option +C109))
Type name
ACS800-67LC-1075/0575-7
ACS800-67LC-1375/0575-7
ACS800-67LC-1375/1125-7
ACS800-67LC-1595/0865-7
ACS800-67LC-2035/1125-7
UL
The maximum number of cables to be connected are shown below. The cable ratings are
based on UL508A and National Electric Code 2008 (US).
Rotor-side converter cables
Type name
ACS800-67LC-1075/0575-7
ACS800-67LC-1375/0575-7
ACS800-67LC-1375/1125-7
ACS800-67LC-1595/0865-7
ACS800-67LC-2035/1125-7
Rotor-
2
240mm
185mm
side
converter
current
nr of cables / phase
rating [A]
898
2
1143
3
1143
3
1334
4
1697
5
Grid-side
2
240mm
185mm
converter
current
nr of cables / phase
rating [A]
480
1
480
1
941
3
720
2
941
3
Rotor-side converter
current rating [A]
898
1143
1143
1334
1697
Planning the electrical installation 55
3×240mm
2
2
120mm
+ 120mm
3
4
3
4
5
3
4
5
3
4
6
4
5
7
5
3×240mm
2
2
120mm
120mm
2
2
2
2
2
2
3
4
3
2
3
2
3
4
3
500 kcmil (253 mm
nr of cables / phase
4
6
6
6
9
Electrical
installation.
2
2
3×185mm
+
3×120mm
2
2
95mm
70mm
nr of cables
3
4
4
5
6
2
2
+
3×185mm
+
3×120mm
2
2
95mm
70mm
nr of cables
2
2
3
3
3
2
)
350 kcmil (177 mm
5
8
8
9
11
2
+
2
4
5
5
6
8
2
+
2
2
2
4
3
4
2
)
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