An electrician got a minor shock from a 4 kV EPR insulated cable after the cable was deenergized for 45 minutes. While the fellow wasn't hurt the safety folks are interested in establishing a procedure that will prevent this.
Initially grounding the cable appears to have been done by momentary...
We have a 15000 hp induction motor that has experienced a coil insulation breakdown due to system lightning surges.
Can the coil be isolated from the phase winding and permit the motor to operate on a temporary basis? Any experience doing this would be appreciated. I expect there would be an...
Is there a Code or other reason to require a generator breaker between the generator and the step-up transformer. No auxiliaries are supplied at the generator voltage (4160 v). This is for a small (4MW) cogeneraton installation. A breaker is on the high voltage side. The stepup transformer is...
Any experience with specifying a large (50MVA) phase shifting transformer. What computer tool or model was used to develop the phase angle shift requirements? Who was asked to bid?
