What is auto transformer?
Answer Posted / jiyaur rahman
Auto transformer is a transformer consist of single coil, of which primary voltage is constant but secondary voltage can be varied in different small steps.
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9
how wecalculate breaking capcity of acb mcb mccb .explain with example
All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?
How is the gain affected by the introduction of feedback in a control system.
what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded
What kind of Neutral CT can be placed in 11/0.433KV transformer to be used and what are its specification?
how can we find thae value of capacitor for single phase motor. what is difference between starting capacitor and running capacitor.
What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com
Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?
What are the advantage of free wheeling diode in a full wave rectifier?
Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?
How shall i select the value of capacitor or inductor in a system?
fuel-air ratio in a petrol engine fitted with suction carburettor,operating with dirty air filter as compared to clean filter will be
when qty of cable being purchased is not sufficient according to the standard,what should the inspector do to ensure its quality according to the standard?