Illustration 3.22
A) Modified 6-Pulse Connection
1), 2), 3)
B) 12-Pulse Connection
2), 4)
Notes:
1) 6-pulse connection eliminates the harmonics reduction
benefits of the 12-pulse rectifier.
2) Suitable for IT and TN mains connection.
3) In the unlikely event that one of the 6-pulse modular
rectifiers becomes inoperable, it is possible to operate the
frequency converter at reduced load with a single 6-pulse
rectifier. Contact factory for reconnection details.
4) No paralleling of mains cabling is shown here.
How to Install
VLT
®
Automation Drive FC 300 12-Pulse
Operating Instructions High Power
28 MG34Q202 - VLT
®
is a registered Danfoss trademark
3
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