Answer Posted / sivakumar

AVR is an abbreviation for Automatic Voltage Regulator.It
is important part in Synchronous Generators, it controls
the output voltage of the generator by controlling its
excitation current. Thus it can control the output Reactive
Power of the Generator

what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?

2080

---

if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

1900

---

What is the effect of positive feedback on the stability of the systems?

1082

---

what is th basic difference between a d latch time line and a d flip flop time line???

1977

---

If one lamp connects between two phases it will glow or not?

1087

---

what are the possible reaons & remedies if resistance of NGR getting heat up

1836

---

why single CT used in DOL starter power circuit?

2510

---

What are differences between Voltage, EMF & Potential difference ?

1978

---

Why we use circular(Stepped) cross section in transformer core?

2244

---

i have seen one 8.4 MW synchronous motor in a plant located in bellary it is fixed with brushless rotary rectifier ,anybody can explain its start up principle

1974

---

How do you determine the size of transformer radiators in a transformer?

1923

---

The windings of a transformer are divided into several coils, because?

1273

---

3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

1849

---

What are the advantages of skewing of cage rotor conductors?

1221

---

what is proper capacitor placement? How to evaluate capacitor size?

2118

---