MV AC drives
MV AC drives
(OP)
I am currently in the position of specing and sourcing 2.7MW MV drives The drives being considered are as follows
1) Robicon (supplied by Siemens)
2) ABB ACS 5000
3) Rockwell powerflex
The issue being that all three have very different topologies, Has anyone any thoughts on the pros and cons of the mentioned drives. I must say at the moment I do lean towards the Robicon solution mainly due to its use of LV igbt's which are proven products
1) Robicon (supplied by Siemens)
2) ABB ACS 5000
3) Rockwell powerflex
The issue being that all three have very different topologies, Has anyone any thoughts on the pros and cons of the mentioned drives. I must say at the moment I do lean towards the Robicon solution mainly due to its use of LV igbt's which are proven products





RE: MV AC drives
RE: MV AC drives
RE: MV AC drives
Is a completely new drive or will you use an existing motor ?
What are the requirements on dynamic ?
Is efficiency a concern in your application ?
Would regenerative braking provide a benefit ?
Will it be difficult to meet restrictions on harmonics ?
Do you prefer air or water cooling ?
RE: MV AC drives
RE: MV AC drives
RE: MV AC drives
I all seriousness though, aside from the technology differences another very important aspect of the selection process is support. The more local the better off you are. Although important, I'm not necessarily referring to service support because when you get to the MV drive world, the scarcity of installations means most service technicians are coming from somewhere else. But in a lot of cases, you will need application information, training and coordination of service and maintenance issues. A local office with experienced people in it is a great benefit. If you have to call someone in another time zone every time you have an issue, you will regret having chosen that supplier very fast.