Cut the Copper

Joe Guentert is owner and sole proprietor of Power Distribution Systems, located in Charlotte, N.C. He is a 1969 graduate of the University of Notre Dame (dual majors of Electrical Engineering and Business Management). He had an 18-year career with General Electric Co. with various assignments around the U.S., and worked five years as a vice president of IEM Inc., Fremont, Calif.

He founded Power Distribution Systems in 1994 in San Ramon, Calif. Since that time, the company has focused entirely on mission critical electrical power systems, with the vast majority of projects being large data centers. The company specializes in medium voltage power distribution, primary substations, medium- and low-voltage switchgear, and the integration of protective systems, control, and monitoring systems within data centers.

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Helping Joe on these blogs posts is Brian Steinbrecher, an electrical engineer focused on medium-voltage power distribution systems. His 30 year career includes work with an end-user (IOU), a manufacturer of power systems equipment, and as a system designer/consultant. Brian has a wide breadth of experience within the utility segment from systems design to equipment specifications and from system studies to construction and start-up. He has written many technical documents, papers, and reports and holds over a dozen active patents.

A good portion of Brian’s career was with Cooper Power Systems where he performed engineering and marketing work in behalf of their major product groups. Prior to moving into his current role, Brian was the Director of Engineering for a product group at Cooper. Brian is currently the Owner and Principal Engineer at Galt Engineering Solutions located in Brookfield, Wis.

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Displaying results 1 to 5 out of 5

marie balz

Thursday, 28-06-12 09:04

Very informative. Thanks for sharing. This is a great idea for making a structural design of cable trays. Love to hear more from you!


Jeffrey Wimmer

Wednesday, 02-05-12 13:49

It is my understanding that the test profiles established for PCB would have also found water to be carcinogenic.  The safe levels had to do with ingestion, and if you ingest as much water as they suggested PCB, your body would not be able to process oxygen IE drown.
GE has a long history of cooperation with the federal government.  This is one such example - the profits was made on selling the new transformers as demand skyrocketed on a limited supply chain.
GE has most recently removed the risky the step of actually manufacturing things,  and instead just doesn't pay any domestic taxes.


Jeffrey Wimmer

Wednesday, 02-05-12 13:43

SGB Cast Resin dry-type transformers have a MTBF (Mean Time Between Failure) of 2,400 years.  With that kind of reliability there are significant savings in maintenance, TOS (Time Out of Service), and TOC (Total Ownership Cost).  Our units are also inherently safe; unable to sustain combustion without external energy.
Dry-type are important only if you care about safety, up time, & operations cost.  If your facility matters, take a look at dry-types. 


Manuel Manuel

Thursday, 26-04-12 10:32

Instead of blaming the messenger (EPA), you should take a more objective approach and talk about the merits and failures of askarel and substitutes. Westinghouse is essentially gone in the electrical equipment field due to lack of vision. GE appears to be gradually heading in the same direction. Veterans of the U.S. manufacturing industry can talk about several environmental disasters that have at best been paved over and fenced in.
When we as customers used to believe in the marketing information coming from GE, Westinghouse and others, we trsuted them in looking after our own best interests. We have been deceived often enough to no longer trust them simply because of their name and now do expect them to walk the talk.
I don't see anythig wrong with that and would definitely would like to see the equivalent of a Consumer Union in the electrical industry.


Peter Volpe

Wednesday, 11-04-12 08:57

Same reason why HVDC transmission makes so much sense. You figure it would have already taken over due to the cost savings alone on line losses nevermind the savings on wiring.


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