What is auto transformer?
Answer Posted / vidhya
a transformer which consists of one winding alone is common
to both input and output sides is called as autotransformer
Is This Answer Correct ? | 52 Yes | 7 No |
Post New Answer View All Answers
How can we measure the residual voltage in dc machines?
kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased
What is CCT (Correlated Color Temperature) ?
An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm
What is superposition theorem?
How to calculate no of EARTH PIT? Describe the formula as per IS standard?
Why do not we prefer non conventional sources of energy to conventional sources?
how to calculate the capacitor to maintain power factor?
How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke
Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?
how invertor convert the dc into ac give brif detail
given data are load current & power factor cable core size? plz any one update the calculation formula
What is voltage ratio of a transformer?
How to calculate multiplication factor in kva example 500kva ans pls ?
what is the difference between neutral and earth