Open Circuit test and Short Circuit on Single phase Transformer with animation.

  Рет қаралды 39,288

Digital Blackboard by Sachin P. Nagmote

Digital Blackboard by Sachin P. Nagmote

Күн бұрын

Пікірлер: 29
@bharathsai533
@bharathsai533 4 жыл бұрын
Nice lecture sir .great explanation
@sakshibhoyar1441
@sakshibhoyar1441 5 жыл бұрын
Vedio was very helpful sir thank you sir explained in very simple language very much convinent in understanding
@DigitalBlackboard
@DigitalBlackboard 5 жыл бұрын
Thanks a lot Sakshi..
@exmuslim3514
@exmuslim3514 6 жыл бұрын
Simply best explanation.
@DigitalBlackboard
@DigitalBlackboard 6 жыл бұрын
Raghunath chakraborty thanks... if u want any topic to be discussed then let me know..
@exmuslim3514
@exmuslim3514 6 жыл бұрын
Digital Blackboard ,sure sir
@exmuslim3514
@exmuslim3514 6 жыл бұрын
Sir make a video on single phase lnduction motor why it is not self start
@mohanmusic2153
@mohanmusic2153 4 жыл бұрын
Soo helpfull thnkq sir👌👌👌👌
@ahmedkhanabbasi_
@ahmedkhanabbasi_ 6 жыл бұрын
Very good explanation
@DigitalBlackboard
@DigitalBlackboard 6 жыл бұрын
Thank you Ahmed ...
@amolpardhi4604
@amolpardhi4604 6 жыл бұрын
very good..keep it up
@The200kid
@The200kid 6 жыл бұрын
Good explanation sir
@DigitalBlackboard
@DigitalBlackboard 6 жыл бұрын
Thanks...
@athithiyav.s2623
@athithiyav.s2623 2 жыл бұрын
Thank u sir
@pranalikanase3201
@pranalikanase3201 6 жыл бұрын
but sir explanation is really good
@DigitalBlackboard
@DigitalBlackboard 6 жыл бұрын
Thank you... Your suggestions are always welcome...
@spelunkerd
@spelunkerd 5 жыл бұрын
I'm having trouble understanding WHY primary current flow through a transformer with an open circuit on the secondary side is negligible... Since the induced magnetic field is constantly changing, doesn't that mean there is some flow of current through the coil, a back and forth flow? I get the notion that the field gives back what is put into it as the voltage phasor rotates, and I think I understand how the inductor causes the timing of the current phasor to be shifted back in time by pi/2. So yeah, I get that the product of two vectors, phase shifted by pi/2, should be negligible. But I'm having trouble understanding that in the real world. How do you distinguish current flow through transmission lines that is producing work from the imaginary component on the phasor diagram?
@DigitalBlackboard
@DigitalBlackboard 5 жыл бұрын
Thanks for the question... I'll get back to you..
@pranalikanase3201
@pranalikanase3201 6 жыл бұрын
sir in oc test ckt dia supply is given to low vtg side then look at the no of turns...for 115 should be less no of turns than 230 .Am l right..
@DigitalBlackboard
@DigitalBlackboard 6 жыл бұрын
Pranali Kanase yes you r right... less no. of turns should b there for low voltage side.. I'll improve it..
@Mana-devalayam
@Mana-devalayam 6 жыл бұрын
Make a video of brake test on three phase induction motor
@challamahesh3962
@challamahesh3962 5 жыл бұрын
Explanation is in clarity
@siddeshmashetty7133
@siddeshmashetty7133 6 жыл бұрын
Sir my question is ,if u connect ammeter in OC test towards LV side then there will be high current na ??how u justify this
@DigitalBlackboard
@DigitalBlackboard 6 жыл бұрын
No... how high current will flow... as secondary is open I2 is zero... now low voltage winding current I.e. primary current is Io + Im + I2' But I2' is zero... so only small amount of current will flow in primary side... remember in OC test high impedance is offered to the current .. So current is very low...
@bharathsai533
@bharathsai533 4 жыл бұрын
Sir please upload sumpners test
@sayandas3202
@sayandas3202 6 жыл бұрын
thankyou sir,,,,, do some problem from jb gupta integrated course.. specially sc and oc problems
@DigitalBlackboard
@DigitalBlackboard 6 жыл бұрын
Thank you... definitely I'll upload problems on o.c & sc test from jb Gupta...
@sureshyadhav8602
@sureshyadhav8602 5 жыл бұрын
Fast explaination
@ekayesorko
@ekayesorko 6 жыл бұрын
nothing but
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