The Fire Protection Research Foundation, the independent research affiliate of the National Fire Protection Association (NFPA), is seeking sponsors for a new research project.
The project is aimed at advancing direct current (DC) arc-flash hazard calculations – an increasingly critical need as DC power applications expand in use.
Most arc-flash hazard calculation methods used today are built around alternating current (AC) systems.
While established models exist for AC applications, there is a growing need for validated, practical approaches for direct current (DC) systems as DC power uses become more widespread.
This project will help address that need by developing practical, implementable models and guidance tailored to DC arc-flash hazard calculations.
As mission-driven nonprofits, the Foundation and NFPA advance safety by developing and sharing knowledge to better protect people and property from fire, electrical and other hazards.
Consistent with their missions, the models and guidance resulting from the project, including the underlying equations, will be publicly available, free of charge and will be used to inform relevant consensus standards development efforts including the 2030 edition of NFPA 70E, Standard for Electrical Safety in the Workplace.
NFPA has a strong track record in arc-flash hazard research.
In a recently concluded project done in collaboration with IEEE, research supported by NFPA helped inform the technical basis for AC arc-flash hazard calculations that were incorporated into IEEE 1584, Guide for Performing Arc-Flash Hazard Calculations.
The work also supported updates reflected in NFPA 70E.
The project is expected to span approximately three years and will include planning, method development, testing and analysis.
In the first year, the research approach will be established based on sponsor input and available funding, with consideration given to a range of DC power sources including batteries, photovoltaic, converters, DC motors and DC capacitors.
Subsequent years will focus on validation testing and model development informed by project findings.
Final costs will vary depending on the DC sources included, with total project funding estimated at $3 to $4 million.
Sponsors will have the opportunity to provide input through an advisory Project Technical Panel that provides overall technical oversight of the work, reviews progress and provides feedback on project deliverables.
