in alternator what is use of AVR ? how AVR is operating
either AC or DC?
Answer Posted / shiva13power
An AVR stands for automatic voltage regulator,it is used to
maintain the output terminal voltage of an alternator
constant by regulating the d.c excitation fed to the
generator.It regulates the output of pilot excitor which is
D.C.
Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
BSNL TTA EXAM QUESTION
what is the significance of cabability curve of alternator
What are the various types of rotor used in the alternators?
HOW TO CALCULATE THE REGULATION OF 100 AND 25 KVA TRANSFORMER
1.4 What is meant by CT knee point voltage and how would you determine it
what happened when we supply a dc current in dc motor?? can it worked properly?
Why do we use copper cable for HT Supply and why not Aluminium?
If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.
What is turn ratio of a transformer?
What is evaporator & condencer & compressor
WHERE NEUTRAL WIRE IS CONNECTED AT DOMESTIC TO TRANSMISSION LINE(SINGLE PHASE TO THREE PHASE)
What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?
why and where we use early make & late break contacts in protection?
What is critical disruptive voltage?
what is fault level of power system ?