I needed this 8 years ago..

Hiya Joe, I qualified 21 years ago and Ive found myself glued your series of videos. I can always remember my eyes glazing over in college all those years ago, on some ac theory lessons including this! You are so good at explaining and making what was once a seemingly difficult topic, easy! If only you were my tutor back then!!! I think the beauty of these videos is you can pause and rewind until it sinks in, pausing and rewinding is difficult when your sat in a classroom! Keep up the good work Joe👍

Dude THANK YOU VERY MUCH, truly. I have had 3 phase systems in my lectures for like 3 years and only now have I finally completely and confidently Understood them. THANK YOU SO VERY MUCH : )

Star and delta? More like "Superb and delightful!" Thank you so much for making such high-quality lectures and sharing them on KZfaq.

Excellent. Been there done that, but this was a great brush up on the basics, and would be a fantastic resource for guys and gals heading into the electrical industry. Subscribed and will be watching more from your channel. Thanks and Cheers mate.

How are you Mr.Joe?Today I would like to express my gratitude to you for the training you provide. It increases the understanding of electricity. May God bless you.🙏

thank you joe, currently in process of finishing off level 2 at college, worked on fire alarms and security systems for the past 12 years but obviously gone to college to electrical and been surprised with how much there is to take in and remember, your videos really are helping a lot !!!!!

Hi Joe I’m blessed to have you for my first time. You’re very good ,I’m really blessed to have on line,thank you.

Your way of teaching is amazing, Been struggling with this for months, but i learned from your previous videos and answered these with ease

Been hell reading through the books and I couldn’t understand this. You really saved me sir . We are always watching your videos for better understanding here in Kenya. Thanks champ 🙌🏽🙏

reading books is not enough with out this kind of videos. Thanks hope i can successfully pass to my license examination on Electrical engineering. This video helped me digest every single doubts in my mind.

Thank you Joe. With Covid-19 closing college, online teaching isn't going well. I've just completed the 3-phase Star & Delta principles section of my level 3 C&G book as best as I could, not understanding it. Having just gone through your videos on Star & Delta tutorial videos on KZfaq, I have now gone back over this section, answered the calculations and my understanding is much clearer now than it was before I started. Thanks again.

Va mulțumim pentru video si explicații ati fost foarte clar si concis,cu adevărat un adevărat profesionist ❤👍,ati simplificat atat de mult si clar chiar pe aceiași planșa comparandule , pentru a fi mult mai UȘOR DE COMPARAT , eu nu cunosc bine liba engleza,dar plansa si modul de prezentare si scriere cu MARCARE DE DIFERITE CULORI TE AJUTĂ SA LE EVIDENȚIEZI MULT MAI UȘOR,,decat daca ar fi fost scris cu aveiadi culoare, meritați tot respectul celor care vau urmatit ,am sa ma abonez si eu la dumneavoastră,va mulțumim

Your videos are great Joe, love watching them and I learn so much from you.

AMAZING! You've made this so simple to understand and put into practice! Thanks so much for boosting my confidence.

Thanks for all your videos Joe! It's really helping me study for Unit 302! Just spotted on Question 4 at 18 minutes and 30 seconds ------------------- IL= 13.86A as calculated but then you wrote 13.68A

Good job and perfect explanation, thank you from Bulgaria.

Star connected load? …is that ‘Y’ ? Holy moly, I’ll have to study this one again. Much respect to you for teaching this

Thank you for making things easy for us to understand. I am a Civil Engineer and people like you made me love Electrical more than Civil.

Have a wonderful morning watching you Joe 👍

You're an excellent professor !! You make things simple !!

Current EE student here, studying for my final at 5:00 in the morning! Thank you for these videos they’re great, I wish I found them sooner!

Thanks Joe for putting up these videos this and the last 2 on Star and Delta have really helped me understand

I always enjoy the videos from his excellene proff joe Robinson ,thanks alot (well done)

You are the best man. Believe me your explanation are so clear. I have been looking for something like this 😃

Loved this video, its helped me no end!!!! Thanks Joe, LEGEND!

Thank you for sharing your knowledge. God Bless your mind.

Thanks very much for your best lesson. I will continue watching your videos and I want you to remain with good work

Thanks a million!!! You explain with details, which is really helpful.

Cheers Joe, super series.Thank you and keep up the good work

verry clearly informed and easy to andastand.. thank you brother

You make everything so easy..... Thanks a lot for all the stuff you are providing...

Thank you for this excellent Video. I have had to learn these lesson the easiest way ever... Be blessed.

I am regularly asked by young apprentices about three phase systems and star and delta configurations. This presentation is a great example to follow, with easy to follow calculations.

awesome video, i appreciate how easy this was to learn from. I'm an electrical apprentice from canada, so, thanks buddy

This was very helpful for my studies. Thank you from Sri Lanka!😃

Thank you Joe, the explanations you have done make so much sense to me.

Thanks Joe, you literally saved me from a disaster.

This guy is awesome! I learned so much that Power Engineering Text books convoluted terribly!

I'm teaching this in a college very soon. Brilliant mate, well in 👌👏

Knocking it out of the park with these videos mate.

Whay agood man thank you you are the best teacher that i saw in my life

Absolutely brilliant video joe thanks

You are DaMan u make You make things simple and concise

Thank you Joe. Starting level 3 in September. Keep up the great work that you do for us all and our confused brains at college. Well, me anyway :)

Big help before my exam. Thanks a lot this is very good

I'm really thankful for this video it saved my life

Nice and informative video. I just want to add something. Since you are showing a three phase system which is connected in wye (star) and delta that means you are dealing with AC system. When you are dealing with an AC system try to avoid using the “R” (resistance) as loads, use “Z” (impedance) instead. The reason is: in an AC system, resistance is part of impedance. Impedance has two componnents-resistance and reactance. I hope you don’t get offended as you intend this for the beginners. Thanks.

top content, very much needed video. Keep going !!!

Hi Joe, I really enjoy your videos. You are such a good teacher! Could you make a video on symmetrical/asymmetrical faults and power factor calculations? Thank you! :)

Thank you for these videos. they’re great

Good deed you are doing here pal, nice one. Great teacher

This was helpful. Thank you Joe

thank you. Your teaching is greatt😃

You are an excellent teacher !!

God blessing you and thank you for shearing your knowledge

Thank you sir for your video tuturial i learned a lot now.

Wow very well explained. Thank you sir. Godbless.

Hi! Great video by the way - learned a lot. One thing I am still trying to figure out is the power. More precisely, is the total power calculated by simply adding all three or is there some tricky formula for that? And just to be on the same page, here is my problem: I have a star configuration generator, I used your calculations to determine phase voltage and current. I suppose I can now simply use P=VI formula for each phase. And since each coil is a separate load it has its own power output (probably not said the best or right way). Can I now add them to determine the total power if there was no other way of measuring it? Question #2: When I rectify the output using a three phase full bridge r., does something "weird happen to the power output?? Thank you a lot for answering and have a great day.

Thank you. I will stop after question one and two. Will rework the numbers on these before progressing.

Joe you're a rock star in my eyes

Very well laid out and explained. A++++++

This was very helpful! thankyou so much

Nice tutorials. Watching from Bangladesh

Nice,well described

Thank you very much bro, really useful video

I really appreciate your work Thank you so much

Super thanks for clear my all doubts

Nice video Joe! Now. Do you cover calculating the phase angles for balanced Start & Delta's Power Systems? as well as covering unbalanced Star & Delta Power Systems with phase angle calculation's.

Hello Joe, nice video... very clear and easy to understand! I have a question... What happens if we have different values of resistances in a star or a delta connection?

California C-10 dreamin. Line voltage, phase voltage: VP equal to vl in Delta phase current: IP. Voltage across the load. Square root of three. Happy days. Blaze the purple neutral

Thank you Joe

Thank you joe really helps 👌🏽👍🏽

Excellent explanation sir thanks 👍👌👌

Excellent sir.

Another great video ,thank you. P.S. sound of the video much better👍🏻

Hi sir , I'm from india and i understand very clearly your class thank you

Brilliant!!

this is great, thanks!

Oh wow thanks sir very easy video

hie joe am in level three at polytechnic thanks for sharing this information

Crystal clear Joe. Have you done a similar calculation where the loads have different resistances?

Excellent !!. thank you so mach

excellent!!

Good explanation

hi Joe, great video! will any of this video be in the 202/602 principles of electrical science exam?

Good job bro!

my thanks to you, please clarify this, since the current is low in star connection, and more in delta connection, then why the motors are preferred to run in delta connection, using star delta starters.

Thanks it was useful for me

Keep it up 🎉

thank very much for the video

You are Always better than the teachers in indian colleges here.... They explain it too tough

Thank you Mr Robinson

very good training...

Hi Joe. Do you have a video on verification of 3 phase breakers relating to Zs value from regs book.What formula to use form 3 phase calculation, how to apply to tested value etc.Thank you.

so good ，thanks

Thank u joe

Good sir thanks for knowledge

You have nicely explained it. Can you explain when phase angles are involved

Thanks professor i appreciate that 🤝