The Top 40 Electrical Design Firms
May 19, 2004, By Amy Florence Fischbach, Staff Writer
The nation’s largest engineering firms diversify their market segments to position themselves for the economic recovery ...
Keeping Circuits Functional During Fires
May 1, 2004, By Robert Berhinig, P.E., Underwriters Laboratories
Understanding the difference between the fire test methods used to establish fire resistive ratings for electrical components is key to a good design...
2004 Design Firms
May 1, 2004, By Amy Florence Fischbach, Staff Writer
American-based electrical design firms ventured into overseas markets and explored new business opportunities to stay competitive in a challenging economy....
Motor Calculations Part 2: Feeders
May 1, 2004, By Mike Holt, NEC Consultant
What’s the correct way to size motor feeders and related overcurrent protection?...
Electrical Design for Research Facilities
May 1, 2004, By Troy Thrun, Sparling
Specialized power and lighting needs make this more than just the average office space, but a sound design can be a scientist’s ‘silent assistant’...
Motors, Motor Circuits, and Controllers, Oh My!
May 1, 2004, By Mike Holt, NEC Consultant
Don’t be intimidated by the largest chapter of the NEC...
The Oft Misinterpreted Requirements of Stationary Battery Systems
Apr 1, 2004, By Stephen W. McCluer, American Power Conversion
With current codes behind the state of battery technologies, inspectors may apply obsolete rules or misapply them entirely...
Minimizing AC Induction Motor Slip
Apr 1, 2004, By Mauri Peltola, ABB Drives and Motors
Although slip is a common problem with standard motors, several options exist for reducing its effects...
Flywheel Technology Helps Life Spring Eternal for Battery Systems
Apr 1, 2004, By Scott Richey, Active Power
Running a flywheel energy storage system in parallel with VRLA batteries can lengthen their service life and improve reliability...
Motor Calculations Part 1: Motors and Branch-Circuit Conductors
Apr 1, 2004, By Mike Holt, NEC Consultant
Overcurrent and short-circuit protection aren’t the same for motors...
A/E/C Firm Executives Anticipate Rise in Design/Build Work
Apr 1, 2004,
About 80% of architecture, engineering, construction, and integrated design/build firm leaders who responded to a recent survey expect an increase in the use of design/build over the next five years...
IEEE-SA starts work on new standard
Mar 2, 2004,
Document covers harmonic limits on power systems...
Ensuring Generator and UPS Compatibility
Feb 13, 2004, By John G. Tracy, Powerware
By understanding the operational characteristics, load interaction, and control design of generators and UPS systems, you can ensure your power system provides high levels of reliability...
Photovoltaic Systems: Harnessing the Power of the Sun
Feb 1, 2004, By Amy Florence Fischbach, Staff Writer
Designers are blending energy-producing systems into urban architecture to reduce the nation's dependence on the grid and produce clean, green power...
Growth in Consulting Engineering Firms Due to Outpace Other Fields
Jan 1, 2004, By EC&M Staff
Despite the discouraging employment figures for 2003, engineers could see a surge in employment in the design industry......
