A sad accident, details still coming out. There may be more casualties.
Only few miles from me, but I have no other insight.
Rafiq Bulsara
http://www.srengineersct.com
I am wondering if anyone having experience in Mexico City and Brazil (or a local member) can help with the following:
The source of these questions comes from the fact that one of our clients (American) has to rely on local electricians to wire portable appliances (inflatbales, lights etc.) as...
We suspect switching voltage transients have caused insulation failures in two 4160V motors and a cable. Motors are controlled by vacuum contactor starters.
More concrete data will have to be collected by further monitoring.
I would appreciate any input as to the remedies available to take...
Is there any truth the rumours I have heard (its coming from a client and I can not directly challange it without a firm knowledge myself) that the harmonics issue in the data center and/or in office buildings will go away in next 5-10 years?
I am sure the power supply desing for comuters may...
Recently I came across a generator differential trip due to relatively excessive inrush of the load transformer. The issue is currently fixed by opening up the settings, and I am looking into more details.
I just recorded transients for a 2000kVA, 13.8kV/480V , cast coil transformer fed by a...
For the first time I am stumped on a nut& bolt question in 20+yrs of experience!
We typically do not specify what type of nut, bolt and washer to use while termianting low volage cables (or anything for that matter). A good contractor normally uses grade 5 steel bolts with flat washers on both...
