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 happen if drive input fail momentry at 48.5 HZ frequency?

0 Answers  

---

Difference Between B Curve & C Curve in MCB.

3 Answers  

---

surge tank, hrc fuse, earthing transformer, firm power objective type

0 Answers  

---

WHY IS THE POWER FACTOR NOT MORE THAN UNITY.

6 Answers  

---

differance b|w ground, neutral&earth

11 Answers   Bhel, SKH Metals,

---

---

What will be MF if we have CT ratio is 130 of 3 nos?

1 Answers  

---

15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

0 Answers  

---

How much UG cable size should i use so as to accomodate a ground + 2floors house. A 1.5ton AC & geysers(2) in each floor with lightings

2 Answers  

---

Why consider motor rpm to select capacitor for motor

1 Answers   KSEB,

---

why most of the substations are rated in multiples of 11?

4 Answers  

---

Why D.C Voltage used in Meggering...as well as in Hipot test? why not A.C?

2 Answers  

---

Why 60Hz motor taking more current on load in 50Hz power supply?

1 Answers  

---