Why should we use Star-Delta connection in step down power
transformers?
Answer Posted / pkv
actually delta star trnasformer used in step down
trnasformer to avoid earthfault give effect of over
current on hv side of the trnaformer
Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
what are the application of over current relay?
How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?
Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?
A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.
what is differant beetween overload current and phase current?
in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply
What is the different types of cable & current capacity of cable
What is the Difference between Ac Drives and Dc Drives? According to application, speed, Torque, cost, Reliability, Construction, Motor etc... Thankyou !!!
How to calculate cable size by using load.?? Any formula...
WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???
Is there any type of starter for DC motor other than two point,Three point and Four point starters?
Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?
when the Transmission and Distribution network where is the "feeder" lines are located? and why should be used in T&D network.....
What is relation between mu(nought) and epsilon(nought)?
How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance