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Transformer vector groups describe the winding configuration and phase displacement between primary and secondary windings. Learn when a Dyn1/Dyn11 substitution matters and when it does not.
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It comes down to managing speed for kW and voltage for kVAR- Published on
A detailed comparison of 80% and 100% rated circuit breakers, including NEC and CEC code requirements, testing standards, and practical examples to help save on installation costs.- Published on
How arc flash incident energy is affected by protective device isolation- Published on
Feeder protection plus ANSI 87L — an overview- Published on
Why an early submission will set you apart- Published on
What bus differential protection method should you use?- Published on
How I demystify transformer protection and transformer cable sizing- Published on
Program the neutral grounding resistor protection relay in a couple of simple steps- Published on
What kind of VT/PT should you use in your medium-voltage switchgear?- Published on
What is the significance of square root 3 in 3-phase power systems?- Published on
One of the most trust-building actions is to give your customer an unsolicited weekly project update.- Published on
Reduce keystrokes and clicks from 38 to 4 when PDFing AutoCAD drawings.- Published on
Think of a water slide for transformer inrush...- Published on
An overview of low-voltage fuses classes and their application- Published on
A system for organizing your technical documents- Published on
Theory of current transformers, how to size them and how to avoid saturation.