There are 9 items in this page
How 3 Phase Transformers Work
How do 3 phase transformers work, why are three phase transformers used, how do they produce 480V, 277V, 240V, 208V and 120V. What is...
The Most Confusing Part of the Power Grid
Geomagnetic storms aren’t the only thing that can make the grid behave in funny ways. There are devices even in your own home that fo...
Where Does Grounded Electricity Actually Go?
Grounding is one of the most confusing and misunderstood aspects of the grid. Errata: At 10:40, the meter is set to resistance (not v...
How 3 Phase Transformers Work
How do 3 phase transformers work, why are three phase transformers used, how do they produce 480V, 277V, 240V, 208V and 120V. What is...
Why Transformers Use kVA Not kW
Why do transformers use kVA and not kW, find out why here. Why transformer rating in kVA why transformer not rated in kW.
Unbalanced Power in a 3-Phase Wye Circuit
This video discusses a 120/240V Three-Phase Four-Wire Delta System. Although uncommon you may still find these systems in existence....
Delta 3-Phase 4-Wire System (120/240V)
This video discusses a 120/240V Three-Phase Four-Wire Delta System. Although uncommon you may still find these systems in existence....
All about Autotransformers
This video covers everything you need to know about Autotransformers. We cover some basic configurations, how they operate, calculati...
Current Transformers – Basics and Calculations
This video covers the basics of a Current Transformer and some calculations you would use for revenue metering or simply taking curre...