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The Generator - Understanding Capacity Ratings

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Webinar On-Demand
Sponsored by Kohler
Presented by Julius Neudorfer

Learning Objectives:

  1. Identify fundamental back-up generator and power system components.
  2. Distinguish the implications of various generator specifications kVA/kW/HP power factor.
  3. Recognize the impact of motor starting inrush currents on the generator.
  4. Explain the implications of undersizing or oversizing the generator.


1 AIA LU/Elective
1 PDH*
This test is no longer available for credit

Our society has become highly dependent on electrical power. It is the underpinning of virtually everything we take for granted in everyday life at home, work, and, in many cases, public transportation. Moreover, virtually all of the critical infrastructure for communications, security, emergency services, and life safety depends on power.

Climate change, in general, and record weather extremes will continue to increase the likelihood utility power interruptions as well as risks to life and property. In the new age of 100-year events becoming more commonplace, it has become clear that virtually no place is completely immune to natural risks. Therefore, back-up power has become almost as important as primary utility service. In many cases, it's a necessity.

This has caused a wide variety of organizations to consider adding or upgrading back-up power to their existing facilities or require it for new buildings. When a utility disruption occurs, everyone expects the back-up generator to start and run flawlessly as long as necessary, whether for 30 minutes or 30 days.

However, while simple in principle, different applications place different demands and requirements for back-up power systems.

In this webinar, we will discuss the generator capacity and other key issues to consider when specifying, selecting, and installing an emergency back-up power system.

Generator Capacity Ratings


Julius Neudorfer is the CTO and founder of North American Access Technologies, Inc. (NAAT). Based in Westchester NY, NAAT’s clients include Fortune 500 firms and government agencies. NAAT has been designing and implementing data center infrastructure and related technology projects for the last 25 years. He is a member of AFCOM, ASHRAE, IEEE, iMasons and The Green Grid. He is also an instructor for the US Department of Energy “Data Center Energy Practitioner” “DCEP” program. He developed and holds a US patent for a high efficiency cooling system for rack mounted computer equipment. Julius writes the “Hot Aisle Insight” column at Mission Critical Magazine, and has also written numerous articles and whitepapers for various IT and data center publications and has presented seminars and webinars on data center power, cooling and energy efficiency.


Kohler A global force in power solutions since 1920, Kohler is committed to reliable, intelligent products, purposeful engineering and responsive after-sale support. The company manufactures complete power systems, including generators (portable, residential, industrial, and marine), automatic transfer switches, switchgear, monitoring controls, and accessories for emergency, prime power and energy-management applications worldwide. For more details, please visit www.KohlerPower.com.