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Arc Flash Hazard Calculations in DC Systems

COURSE NO: E03-035
Arc Flash Hazard Calculations in DC Systems
Course Highlights

This online engineering PDH course presents details cover issues related to DC fault calculation, DC protection equipment and DC arc flash energy calculation.


IEEE 1584 standard does not discuss arc flash hazard calculations in the DC systems. Standard NFPA-70E- 2000 provides a short calculation method. Therefore, the current literature is lacking calculations of arc flash hazard in DC systems. The necessary calculation steps are very similar to calculations in AC systems, however there are marked differences, particularly with respect to protection, cause of short-circuit currents in the DC electrical systems, and the current interruption devices in DC systems, which function fast to limit the energy let-through.


This 3 PDH online course is suitable for electrical engineers with a desire to understand DC system fault calculation followed by DC system arc flash calculation. Upon successful completion engineers will be able to address DC system fault calculation methodologies, basics of the DC protection equipment and methods to calculate incident energy in DC systems.
Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Understanding the DC system fault calculation methodology
  • Learning about short circuit current calculation of DC elements such as batteries and rectifiers
  • Learning about DC circuit breakers and fuses
  • Knowing how to calculate incident energy in DC systems
  • Learning about the protection of semiconductor devices
Course Document
In this professional engineering CEU course, you need to review the document titled, “Arc Flash Hazard Calculations in DC Systems” by Velimir Lackovic, Char. Eng.
To view, print and study the course document, please click on the following link(s):
Arc Flash Hazard Calculations in DC Systems (1.5 MB)
Course Quiz

Once you complete your course review, you need to take a multiple-choice quiz consisting of twenty (20) questions to earn 3 PDH credits.


The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you will be able to print it after we receive your payment.) For your convenience, we will also email it to you. Please note that you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: