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IAEI Magazine | Author: Michael Furtak
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Michael Furtak

Michael Furtak is an application engineer with Mersen Canada Toronto, Inc. He has been associated with Mersen since 2000. He specializes in application of overcurrent and overvoltage protective devices in electrical distribution systems in accordance with Canadian Electrical Code. Prior to joining Mersen, he worked as an engineer in a scientific research lab focusing on semiconductor studies. Michael holds a B. Sc. In physics from Lviv State University (Ukraine) and is a professional member of Ontario Association of Certified Engineering Technicians and Technologists (OACETT) and IEEE.


On the performance of arc flash analysis in DC power systems

Direct current (DC) arcing fault incident energy calculations are presented to assess the level of risk involved when working around high current DC apparatus. The proposed procedure allows evaluation of incident energy and arc flash boundaries, while taking into account as many circuit parameters as possible. These parameters include fixed or variable gap length, system voltage, available fault current, equipment configuration, circuit time constant and evaluated threshold energy for a second degree burn.

Evaluation of Onset to Second-Degree Burn Energy in Arc-Flash Hazard Analysis

Our interest in determining accurate onset to second-degree burn energy and its significance in computing the arc-flash boundary is focused on the prevention of injury to the skin of a human who might be exposed to an arc flash. During the last two decades different formulas have been proposed to calculate incident energy at an assumed working distance, and the arc-flash boundary in order to determine arc-rated personal protective equipment for qualified electrical workers.