what is automatic voltage regulator and it is used?
Answer Posted / vasanth
to regulate the excitation voltage in generator AVR is used.
it compares the voltage, current and frequency of the
generator.
| Is This Answer Correct ? | 150 Yes | 25 No |
Post New Answer View All Answers
what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?
What are the various types of BUSBAR Schemes? explain each
How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?
how to erect roof control panel?
from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?
What is a difference between indoor transformer and outdoor transformer of same rating
What is the percentage loss for aluminium wire for HT line more than 11KVa
Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???
why EMF IS INDUCED IN A CONDUCTOR WHEN FLUX LINKING WITH IT CHANGES ACCORDING TO FARADAYS LAW.
why different series of vfds (like allenbradley)are used in industry ?
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 ?
What is a advantage of Self Reset Lockout ? On Fault breaker get trip & fault no longer exist then self reset lockout how inform us?
What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?