Professional Course

Arc Flash Hazard Calculations in DC Systems

PDHengineer, Online
2 hours
59.90 USD
Next course start
Start anytime! See details
Self-paced Online
2 hours
59.90 USD
Next course start
Start anytime! See details
Self-paced Online
This provider usually responds within 48 hours 👍

Course description

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In Arc Flash Hazard Calculations in DC Systems, you'll learn ...

  • Causes of short - circuit currents in DC electrical systems
  • Four types of DC short circuit current sources
  • How to perform DC short circuit current and arc flash hazard calculations
  • Breakers and fuses designed to mitigate short circuit current and arc flash hazards


Credit: 2 PDH

Length: 42 pages

IEEE 1584 standard does not discuss arc flash hazard calculations in DC systems. Standard NFPA-70E- 2000 provides a short calculation method. Therefore, the current literature is lacking calculations of arc flash hazards 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 course is suitable for electrical engineers with a desire to understand DC system fault calculations followed by DC system arc flash calculations. Presented details cover issues related to DC fault calculation, DC protection equipment and DC arc flash energy calculation. Upon successful completion of this course, you will be able to address DC system fault calculation methodologies, basics of DC protection equipment and methods to calculate incident energy in DC systems.

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Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 22 questions. PDH credits are not awarded until the course is completed and quiz is passed.

Training content

This course teaches the following specific knowledge and skills:

  • DC system fault calculation methodology
  • Short circuit current calculation of DC elements such as batteries and rectifiers
  • DC circuit breakers and fuses
  • Calculation of incident energy in DC systems
  • Protection of semiconductor devices


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77070 Houston Texas

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