Answer / manir hussen

for above mention requirement we can use 2 nos. of CT & 1
PT

Answer / malik waseem

what is difference between metering CT and protection CT

Answer / mayil

primary o/c & E/F -1 CT
SEC o/c & E/f - 1 ct
stand by e/f - 1 ct
pry & sec metering - 2 ct
primary pt - 1 pt

Answer / suresh

Total 16 CT/PT are required

How many different speeds can be obtained in cascade control of two induction motors?

1 Answers  

---

what is servo motor principle? difference between induction motor & servo motor?

1 Answers  

---

ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

1 Answers  

---

Is there any other method of damping the oscillation in a synchronous motor other than using damper winding and if yes what is it?

2 Answers   IOCL,

---

what is the different between second harmonics and third harmonics ?

1 Answers  

---

---

In Round type three phase transformer why the LV side is inner part and HV outer part in the design of transformer? why they cant be opposite?

2 Answers  

---

what are the ratings of sockets?

10 Answers   L&T,

---

1)how many types of earth? 2)how many types of megger and how to select that range? how much time taken for megger calibration( we r using megger)

1 Answers  

---

what is the voltage present in the telephone?

10 Answers   Infosys,

---

What is reason to get a power factor nearly zero in resistive loads

2 Answers  

---

what is the difference between earthing and grounding of electric circuits

5 Answers   HCL, Turbo,

---

what is the lemen of a single 5mm 13000mcd white led pls reply

1 Answers   Eskom, Sona,

---