Hello. I am looking for some help witht the description of Power Transformer cooling type designations.
I am looking at two transformers with similiar characteristics.
The first is a 115 KVA 3 phase transformer with the following MVA and cooling designations:
15/20/25 MVA (oil filled with...
Please confirm if the following statements are true.
I would like to operate a 380Vac 3ph 50Hz 1500rpm motor on a 440Vac 3ph 60Hz supply. I believe that this motor wil run on the 60Hz system at a lower current (20%?) and at higher speed 1800rpm (neglecting slip).
The control power transformer...
I am looking for a temperature range specification for fibre optic cable. I wish to use fibre optics in a -50C environment. I am concerned that this low temperature will effect signal propagation in the core. Will the fibre become brittle and cracks form? As for the rest of the equipment, it...
I work in a Kraft (caustic) pulp mill. We use plastic tie-wraps to secure electrical cable to cable tray in our bleach plant area. The bleach plant area has a very corrosive atmosphere. Plastic tie-wraps have a tendency to only last about 4 years in this atmosphere. Plastic is very...
Where is the best place to find information on "AC Motor Efficiencies" with respect to rewinding the stator?
Does anyone have any information to share on the topic of rewinding a motor verus replacemnt?
