Answer Posted / uzzal
obhiously vector
| Is This Answer Correct ? | 1 Yes | 17 No |
Post New Answer View All Answers
what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable
what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?
What are IR values and what it should be for coil and for insulator
How would your past experience translate into success in this job?
draw 3 phase rectifier diagram
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?
What is the method of estamating of cable, CB,MCB ?
in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.
As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?
If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??
WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING
what is JE exam?
what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load
what are the different kind of cables used for transmissions?
what is basic difference betmeen normal & flame proof motor??
