Sumpners test

[@brightlord3923]

You're a life saver, sir.

[@sonakshi.3542]

The main thing is that u r explaining the diagram too sir ... excellent 👌 sir

[@nagaraju-pq6nv]

Sir, here u didn't explain how to find the temperature rise

[@Tron1467]

the secondary winding of both transformers are connected in such away that both the wires coming out of them is of same polarity the how does current flows in secondary even when switch is closed??

[@swaroop.parmar26]

sir you exaplin this topic really easy way. Easy to understand

[@tarayadav4818]

Thank u sir ...... it is very helpful for me

[@vikasp788]

Good explanation!!!!!

[@خالدهشام-ع9ش]

When applying voltage by auto transformer, why do not instruments read the local or circulating current in the another side??!! I mean why does not the current flow through the ammeter & wattmeter W1?? Another question plz, Why does a small current require by auto transformer? Why is it small?

[@anoopr470]

Thank u sir ,,,,very easy to understand

[@neerajkumartadepalli2001]

Excellent explanation 🔥

[@kapstar346]

Sir I plzz tell me calculations for efficiency and voltage regulation on sumpners test

[@k.sravankumark.sravankumar6203]

Thanks.

[@alfinashaik7931]

This video made my day

[@diamondsaleh2903]

plz write what you say especially the laws and calculations.....

[@rishigautam9295]

Sir if voltage is zero then how it is open circuit..in open circuit we get rated voltage

[@user-iy1oh6ut1z]

bcz of in this point same potential so no more current will be flow. i hope got it

[@PradeepKumar-dt3so]

Good explanation

[@subbuguptha5924]

Nice explanation brother

[@jpkumarsaria]

I need this sumpners test in telugu

[@ahmedelshobakey498]

Thanks

[@anjanboorugu1678]

Thanks a lot sir🙂

[@പച്ചമനുഷ്യൻ-ഞ3ഘ]

Very useful broiii 💗💗💗

[@suryakiranvishnumulkala3110]

Thanks very much sir🧡😍

[@songscollections2034]

Open delta connections in transformer

[@veersingh-hv6zm]

Very good.

[@ShivaKumar-xq8yk]

Sir ,the two secondaries of of two trfs are connected in series opposition when the test is conducted for SC the rated current is applied but how currents flowing in secondary when it is connected in series opposition...?

[@Tron1467]

That is what i am asking him

[@gangadharsaragadam6562]

Here phase opposition is in secondary not in Primary in secondary hence secondaries cancelled

[@podilashashi4974]

Saaru naa ringu naaku isthe nen vellipotha nuv vesukunna gold ring naadhe saarruu

[@lakhichanroy1808]

Bhai bhai bhai.... 😃

[@The_BalckHole]

But, what about the switch....?

[@gangadharsaragadam6562]

If two voltages are in phase apposition then only switch will be closed otherwise voltages are add up hence more stress on windings since winding resistance is small they may get short circuit in order to avoid short circuit condition switch is used

[@mohdafzal2573]

Thank you sir..

[@gangadharsaragadam6562]

Thanks sir

[@manojkumarsinha1239]

Good vdo

[@gullkhan6523]

Thank you Sir

[@ritwikmishra1606]

Well explained

[@rahulmeena3845]

Very very thanku sir .

[@akhil_panjala]

Thanku sir

[@ishushukla9618]

means alot to me.. thank u so much

[@varshamishra4327]

Hlo sir ...I want to know the exact answer that why we do series opposition in back to back test ?..... What is the need of doing series opposition?

[@shiromanipandey7558]

Varsha Mishra bcz in first condition as described induced EMF in both the secondaries will cancel each other and these secondaries will act like open circuit.. to measure the shunt line parameters.

[@GauravGupta-pb8mk]

Thank you sir

[@pradeepverma5464]

nice

[@dulcetmusic3071]

Sir .me to need sumpners test in telugu sir

[@anindyabiswas3803]

Your concept is wrong...how can voltage zero give open circuit...rather current should be zero..

[@ajaykumarbairwa5859]

wrong connection on secondary winding of transformer

[@srikantakumargouda9561]

Sometime Your concept is wrong

[@tammarajesh228]

Sir thank u

[@jpkumarsaria]

Explian in telugu sir.

[@revolution3818]

👎

[@shashanksahu2326]

nice