Rectifier Transformer
Rectifier Transformer
(OP)
I'm in the process of purchasing a spare rectifier transformer and would appreciate any input for my bid spec.
Any recomendations on winding design, ie sheet, disc, etc.
Could anyone supply an old spec which I could review.
The transformer will supply a cycloconverter at 1150V for a 9200kW motor. (Harmonics approx 25% Ithd, I've included the spectrum and load profile in spec already)
Any comments will be appreciated.
Any recomendations on winding design, ie sheet, disc, etc.
Could anyone supply an old spec which I could review.
The transformer will supply a cycloconverter at 1150V for a 9200kW motor. (Harmonics approx 25% Ithd, I've included the spectrum and load profile in spec already)
Any comments will be appreciated.






RE: Rectifier Transformer
- to my mind it is not good idea to specify a special type of winding or material because this will limit the number of quotes significantly and often a good design is possible with different approaches.
- to include the harmonic spectrum (and not just a derived value as the THD) is very important. As far as I remember this is recommended by the approbiate IEC-standard.
- ask the bidders to provide a reference list and search if they have experience with similar units and try to get information from the customers listed in the reference list