ok
i have my speed change planed with this belt design attached but i am still under the impression that if i do not maintain the volt/hz ratio that i will be short of the motor designed torque...
i bought a direct drive screw compressor with a 1977 Schorch 3ph 30kw 50hz, 1440rpm, 380v Y/220v delta 12 wire motor that was supposedly modified for 230v 60hz and I assumed this meant this modified motor was rewound to slip down to around 1500 rpm and so I install a 28 kva 230v delta/delta...
That is some good advice! thanks.
Can I use old oil then?
I assume that blackened mineral oil contains insulation debris and molecular fragments and oxide products none that would degrade the heat transfer ability but I suppose could come with a corrosion risk. Filtration would improve color...
I have a 30kw 3ph 440volt compressor and a 10,000 volt line. I want to install a 100 KVA transformer that I own but I can't get the 50 gallons of oil up to the remote site in the same truckload so we will have to wait a month for another delivery.
Can I run this transformer dry with...
I test started a 30kw Solair oil screw air compressor but I am worried about installing it at a remote mine site. (model S35E Germany 1978, 3.3 m3/mi,n, 7.5 bar, 1,500 rpm.) The importer in Lima Peru says he modified the SCHORCH 12 wire 3 ph. to 220/440, 60Hz (data tag= KN5180L-BBO 30Z, Din...