Jraef, first off, thanks a lot for the response. great help indeed.
The rating at the drive is 5.0 kV. Think the topology is not H drive in my case but old fashion topology (based on power cells). Possibly the number of connectors are about half of what you described but still this remains a...
Something I would like to revise in the original data.
The transformer primary side is 11 kV and the transformer is rated 15 MVA. The other info are unchanged.
Appreciate if someone can help me on the issue ?
"If you want to acquire a knowledge or skill, read a book and practice the skill".
jraef, thanks for the feedback.
bus duct was specified primarily on reliability ground.
When you mention that you don't know of anyone who does this, what is the principal reason / technical limitation for them not doing this with a 18:1 and 36 pulse topology? Risk of failure of the connection...
Hello,
I would like to learn your opinion on the folllowing.
We have a frequency converter (VFD) for a machine drive application (VFD rated power is approximately 20 MW).
The frequency converter is fed by a transformer converter outdoor located. Teansformer primary voltage is 33 kV.
The...
