PUI: Protection of the Distribution System

This event was canceled.
Starts:  Nov 12, 2019 8:00 AM (ET)
Ends:  Nov 14, 2019 4:00 PM (ET)

Who Should Attend:

This three-day course is designed for engineers and technicians who are new to the power industry or new to distribution protection and coordination or those who are cross-training within a utility with a limited background in distribution system functions. 

Knowledge of electric system equipment and completion of the PUI Electrical Calculations I Course, or equivalent experience/training, is a prerequisite. 

The course will be of interest to construction planners, customer service representatives or regulatory personnel who would benefit from a more extensive understanding of the operation and protection of the distribution system.


The course provides a comprehensive review of the general principles, equipment, requirements and methodology employed to protect electric distribution systems. 

The curriculum includes course work and homework to ensure opportunities to apply the concepts presented during class. 

Upon completion of this course, participants will understand and be able to apply distribution protection concepts from the substation circuit breaker to the customer. They will understand many of the variables that enter into protection analysis and how to evaluate them during the course of a protection study. Students must be proficient with an engineering or scientific calculator and bring one to the class.


  • John Bonazoli, P.E. is presently the Manager of the Distribution Engineering Department at Unitil Service Corporation. John has worked at Unitil since 1999. John is a graduate from Northeastern University where he received a Bachelor of Science degree in Electrical Engineering and obtained a Master of Science in Management from Lesley University.
  • Jeffrey H. Fenn, P. E., BSEET from Northeastern University. 22 years with Bangor Hydro-Electric Company in various engineering roles. In 2003 he started the electrical engineering arm of SGC Engineering, with a focus on electric utility and power engineering support. Senior member of IEEE, Maine Society of Professional Engineers and the National Society of Professional Engineers.
  • J. Duncan Glover, Ph.D, P.E., President & Principal Engineer of Failure Electrical. Dr. Glover earned his BS from the University of Massachusetts and his MS and Ph.D from the Massachusetts Institute of Technology. He has authored books and book chapters, as well as numerous publications.


Member Type Tuition Rate
Members: $725
Non-Members:   $1,250


Space is limited and registrations are accepted on a first-requested, first-honored basis. Cancellations are accepted up until two weeks prior to the event date.  Substitutions may be made at any time.


Agenda & Syllabus

If you have any questions, don't hesitate to contact ECNE at (603) 626-4602.


Liberty Utilities Training Center
10 Broken Bridge Road
Concord, NH 03301
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(603) 626-4602