Wat wil happen if Transformer is operated at 100 HZ
Frequency?

Answer Posted / sendhil

emf e=4.44BAfn volts
if the frequency is increased induced emf also increased so
the induced emf damages the insulation of the winding it
will leads to short ckt

Is This Answer Correct ?    18 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the circutor?why we use it ?

1839


In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

3398


What is resonant peak?

688


salam&hi, i need to know about how can i calculate an enough current for the new building before i submit it to the suppliers

1621


What are the two segments of nyquist contour.

659






What is core CT & it's function?

1744


how to calculate singlephase motor efficiency?

1733


1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

1772


what's producer of XLPE cable laying in undergroung

1665


Differentiate between voltage and current feedback in amplifiers?

633


Batteries. What is the difference between Lead and Nickel batteries ?

1695


HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

1654


how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

1683


An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows. a) 200 medium size businesses; each needs 16 addresses b) 400 small businesses; each needs 8 addresses c) 2000 households; each needs 4 addresses Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.

7024


in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?

1864