Dear User
I am not specialist in acoustic science. we have a rolling mill unit with super annoying sound. I know the acoustic engineering can remove annoying sound by measuring frequency of sound and generating anti frequency signal and therefore the annoying sound will be removed. how device...
I have contact the ABB motors factory in Germany, but they replied: "Steffen Ziegler: we don’t have catalogs for DC Motors ".
There are any way to access it?
Dear user
I have 1.2 MWatt DC motor supplied by three phase thyristor full bridge rectifier. I want to know effect of voltage harmonic of AC side on temperature of collector.
Best Regards
Dear user
We have a old dc motor in our company as plates picture attached and both of them installed on the motor . The detailed user manual (catalog) is not available. I will be very grateful if you could please guide me to access the catalog.
Best...