Answer Posted / praveen
main types are 1)step down and step up transformers
2)single phase and three phase transformers
again subdivided in core type and shell type....
one more catagory is
1)distribution and power transformers
2)instrument transformer
a)current transformer
b)potential transformer
3)constant voltage transformer
4)constant voltage transformer
5)tap changing transformer
| Is This Answer Correct ? | 126 Yes | 21 No |
Post New Answer View All Answers
Mention what are the types of semi-conductors?
what is meant by motor startup supervision & motor load jam protection ?
Why we use circular(Stepped) cross section in transformer core?
what is the write prosidure of stringing of 8meter pcc pole.
Why does amplifier gain reduce?
Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.
i want wipro vlsi placement pattern please send me
How shall i select the value of capacitor or inductor in a system?
What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?
How many types of protection relays are there based on the characteristic?
What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?
Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????
explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?
How can we calculate cable size in Low voltage & high voltage
what is the difference between elcb and rccb ?