Answer / m.kumaran

the control voltages are 110V and 220V.because the form factor is 1.11 and it is derived from RMS value of induced voltage and average value of induced voltage,so we need RMS value=form factor * average value.

Answer / nagesh.patwari

Agreed with above answer additional missing information is control circuit vtg is DC fed from battery bank provided in the substation

what is the principle of operation of domestic fan?? what is the role of capacitor in it??

5 Answers  

---

write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

0 Answers  

---

for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

0 Answers  

---

Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??

1 Answers   Schneider,

---

the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?

0 Answers  

---

---

what is the use of pmg in exciter?

3 Answers  

---

why the auxilary(starting)winding is provided in single phase inductoin motor?

5 Answers  

---

how does it help for selection of a transformer.

0 Answers  

---

How to write a progrramme to turn ON and turn OFF a motor with a single push button in AB?

2 Answers   HCL, Torrent Pharma,

---

what is meant by vector group of a transformer? How can it be derived?

0 Answers  

---

What are the two basic types of transformers?

0 Answers  

---

why two contacts(in series) are using in closing circuit

3 Answers  

---