The first step to understanding current limitation is to understand what the current waveform looks like during a short-circuit event. To understand the peak current let-through; up and over on the curve.
The transformer is one of the most basic of electrical equipment found in a power distribution system, and just when you thought that a hunk of iron wound with wire couldn’t possibly be transformed, the industry does something that blows your mind.
To those not yet indoctrinated, commercial construction (CC) can appear daunting. Suddenly there are architects, engineers, liquidated damages, bonding, and a cast of wealthy business clients with short attention spans and scary-sounding law firms on speed-dial.
UL has several tools available to de-mystify hazardous locations. UL has been certifying hazardous location equipment for over 100 years, and has launched a smart device application explaining the different hazardous locations classification systems.
A firm understanding of the basic principles associated with series and parallel circuits is a sufficient background to begin an investigation of any single-source DC network having a combination of series and parallel elements or branches.