Answer / k.prakashchandra

More primary and secondary turns are required to make up
for the lower primary current to maintain the secondary
current.Hence the core also will be bigger.

Answer / isa

CT is a step up transformer thats why with the decrease of ct ratio the the current in the secondary side will increase as a result of decrease in secondary voltage ,which will cause more I sqr. losses which is not economical further.

how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

0 Answers  

---

IN CABLE TRENCH WHY FILL UP THE SAND. AND WHAT IS THE DIFFERENCE BETWEEN OVER HEAD AND UNDER GROUND LAYING THE CABLES

2 Answers   Cable Wireless,

---

if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current

0 Answers  

---

why does fans rotate in anticlockwise direction?

1 Answers  

---

what is rotatng magnetic field in case of three or multiple phase alternating current machines???

1 Answers   NHPC,

---

ELECTRICAL MACHINE

2 Answers   Bhel, HPC, NHPC,

---

How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

0 Answers  

---

how can 3phase motor speed can be controlled without vvf drive?

1 Answers  

---

how i prepare for the written test in mahagenco?

2 Answers   MahaDiscom, MahaGenco, Wipro,

---

why we did not get shock by touching nuetral of any single phase supply of a electrical equipement?

6 Answers  

---

Why AC current leads voltage in capacitor and how?

0 Answers   BMB,

---

how to read AWG n how to convert AWG reading into mm?

1 Answers  

---