Answer / ankush

A control t/f is one which gives constant o/p voltage and
current , so known as control t/f.
These are basicaly used in electronics circuits.
while PT are used for the measurement of voltages.
so simple......

Answer / k.prakashchandra

PT/VT are voltage measurement.Control Tr is for supplying
power to control or auxiliary equipments which can not be
used on regular available supply.

What is over fluxing in transformer?

1 Answers  

---

what is the purpose of fuse?

7 Answers  

---

how to calculate kA rating of device?

3 Answers   Siemens, Vijai Electricals,

---

What is the difference between Neutral And Earth ?

2 Answers   Ambuja, Reliance,

---

How to calculate per unit impedance of transformer?

0 Answers  

---

where the lexical paramater will use in fron end?

0 Answers  

---

Transformer diagram mention each parts ?

0 Answers  

---

whatis the commertial spec. of distribution boards ?

0 Answers   Bosch,

---

11 kV line deraction check by an Engineer.

0 Answers  

---

What voltage is used in Directional earth fault relay? and why?

5 Answers   L&T,

---

what is hysterisis loss and eddy current loss? how it occurs?

2 Answers   Aurobindo, MAHINDRA,

---

What is bode plot?

0 Answers  

---