Advanced and Intelligent Back-Up Power Systems: High-Availability Data Center Back-Up Power Schemes

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Webinar On-Demand
Sponsored by Kohler
Presented by Julius Neudorfer

Learning Objectives:

  1. Describe the differences and interrelationships of reliability, redundancy, and availability.
  2. Recognize the fault tolerance implications of redundancy schemes: N, N+1, 2N, and 2(N+1)
  3. Explain the data center availability ratings: levels 1–4.
  4. Identify the requirements of short-break versus no-break load types.


1 AIA LU/Elective
This test is no longer available for credit
Photo of power lines.

Our society has become highly dependent on electrical power. Directly or indirectly this impacts the average person, as well as businesses and government agencies, at virtually every level.

Moreover, in the Internet age of the digital economy, mobile computing and cloud based services, as well as increased dependence on digital records by emergency services and health care providers, have raised the demand for 24/7 availability of data centers.

While the basic concept and need of the back-up power system has not changed, the increased availability requirements for mission critical back-up power systems for data center and telecommunication systems has become more important than ever.

This webinar will discuss the key aspects of high-availability power schemes for data centers and how they meet the various requirements and issues related to supporting critical IT equipment and cooling system loads.

Julius Neudorfer 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. Julius is a member of AFCOM, ASHRAE, BICSI, IEEE and The Green Grid. He is a Master Instructor for the DC-Professional Development program, as well as for the U.S. Department of Energy “Data Center Energy Practitioner” “DCEP” program. He developed and holds a U.S. patent for a high efficiency cooling system for rack mounted computer equipment. He writes the “Hot Aisle Insight” column at Mission Critical, 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 logo. 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


Originally published in March 2017