In power distribution systems, three-phase transformer configuration directly impacts system reliability and load management.

Last month's Code Calculations article covered transformer calculation definitions and some specifics of delta transformer calculations. This month we turn our attention to the differences between ...

In many electrical installations, general-purpose contactors are used to switch the supply voltage to a small dry-type transformer on and off. One common reason this is done is for area lighting ...

In the original version of this article, the second figure contained an error. The image has been updated. It’s important for engineers to have a good, working ...

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