Answer / k.prakashchandra

HV Tr ratio arm bridge is used for measurement of tan delta
and capacitance.The tests are conducted with 1.HV winding vs
LV winding grounded to tank.2.LV vs HV grounded 3. HV vs LV
ungrounded.4.Bushing insulation with respect to test tap.
The highest is selected .Test voltage is 2.5 to 15 KV for HV
and 1 to 1.5 KV for LV, in case of 110/11 KV Tr

how to calculate circuit breaker capacity

6 Answers   Siemens,

---

What will happen if the 50HZ Transformer is connected with 60HZ power Supply

2 Answers  

---

Whta is earthing?What is the optimum value of Earth Pit?

2 Answers   Bharti,

---

Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............

9 Answers   NTPC,

---

As a good company employee, can you report your supervisor to the company management if he or she is going against the company interest in his or her actions?

1 Answers   MAHINDRA,

---

---

How to calculate the multiplying factor for energy meter with ct ratio given

0 Answers  

---

why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?

0 Answers  

---

State Maximum Power Transfer theorem.

0 Answers   ABB,

---

What do you mean by pull of electromagnet?

0 Answers  

---

At what factor resistance r of a conductor depends?

0 Answers  

---

what is the use of the circle diagram

2 Answers  

---

how calculate gd2 of ht motors

4 Answers   Hindustan Copper Limited, Kohler India,

---