3 Phase: Star Connected Loads, How to Calculate Line and Phase Voltage & Line and Phase Current

In this video we continue our journey into three phase electrical systems by looking at a star connected load. In a practical experiment we measure the line voltage, phase voltage, line current and phase current in the star connected system. We then look at the relationships between these measurements and find the all important number that connects theses values together. Stay tuned to the end for some exam hints and tips on this subject.

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[nickl]

I wish my professors would demonstrate things the way you do

[TurnerNtor]

For 3 years since I started level 2 c&g at college, I've never fully understood star and delta connections. Your practical demonstration has made the relevance clear in the real world. Thank you Joe, I'm subscribing

[no_short_circuit]

Thanks Joe. As a hobby in my retirement I've been studying all things electrical and watch many You Tube videos - obviously 3-phase has been a part of that learning. This video presentation produced a very welcome "light bulb moment" in my understanding. I have now added this link to my study folder marked "3-phase Star configuration"

[PunmasterSTP]

Star connected loads? More like "Superb, creative uploads!" Thanks again so much for making and sharing all of these great resources.

[augustinematthew]

This series is helpful. I was confused after my yesterday's lecture, thanks to my proffesor. But with this series, everything is crystal clear

[Cary]

Excellent!!
If only my university teachers explained this as well as you did!
All of your lessons are 10/10.
Thank you very much

[dankjane]

Honestly thank you for this I have my exam at the end of the month and I was struggling to understand but now i do

[nolezosa]

Very extensive explained. Thanks for sharing you knowledge to us. Godbless.

[MrDangadave]

Thank you, Joe you are a God send, I am doing my level 2 diploma and your tutorials are perfect. Please keep the vids coming and keep up the hard work, it is very much appreciated.

[kyxjoqk]

If only my professor could explain this way. Thank you sir.

[any_one]

Nicely explained practically... Not just on pen and paper... Thanks

[MimiTai]

The triangular and the one that uses vertical and horizontal components are the ones I like. Thanks Joe.

[colinteoh]

This is the best explanation out of all the others.

[electrodellinstallations]

Fantastic video and explains the relationship perfectly with voltage and current.

[galinayankova]

Great just great relative to what I read 📚 it's so simply explained that I got it the furst time and I can't imagine getting confused anymore thank you.

[SteveWSJK]

Slightly advanced topic - you might want to show what happens to the current when you connect a single phase-to-phase load on a wye system. And other unbalanced situations in wye and delta systems. Just a thought. Thanks for all the hard work!

[munafmufc]

What a brilliant explanation. Thanks J

[michaeltay]

This is amazing, I really love your lessons and kindly would you also take us through the wire carrying capacity according to their sizes and how it's calculated. Thanks again.

[nickpierpoint]

Very good video mate I'm learning this stuff to challenge myself as I struggled with electrical in my level 3 course and dropped out, hoping to go back and get an engineering qualification, makes absolute sense the way you explain it

[leovicky]

very well explained... liked particularly your point ... phase voltage =voltage across load...