To test Transformer we give HT side 440V to see wheather that it is producing 17.6V on LT to verify Voltage ratio is correct or not but when we give the 440V voltage to LT side then what will happen to HT voltage ?

3 Answers   Aditya Birla,

---

Is an SCR semi controlled device?

4 Answers   IOCL,

---

Dear sir/mam Iwant complete details of Naintenence of 33kv/433v Transformer having 1250 KVa

1 Answers  

---

For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

0 Answers   Hormozgan Steel,

---

why, when birds sit on transmission lines or current wires doesn't get shock?

36 Answers   College School Exams Tests, Infosys,

---

why PD testing for power cables

1 Answers   Bhushan Power Steel, CSE, Datre Corporation,

---

how the high voltages are produced?and what it causes?

4 Answers  

---

how LVDT works?

2 Answers  

---

What is principle of Floroscent tube 36watt.

0 Answers   Diamiller, NDPL, Trident Hilton,

---

why current is leading in capacitor?

1 Answers   PSU,

---

Why the brushes used in dc machines are made of carbon not from other metal?

2 Answers  

---

distribution is maximum done by a)radial b)network c) parallel d)b & c

0 Answers  

---