When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

15 Answers   Bhel, Sail, Sterling Telecom, TCS,

---

how work the differential protection relay in details?

2 Answers  

---

i seen a 132kv/11kv transformer,and thier is a sugar factorys 10MW EXPORT PLANT,MY QUESTION IS THAT WHEN THEY EXPORT ELECTRICITY THEY USE THE SAME TRANSFORMER AND THE CONNECT IT TO 132/11KV TRANSFORMERS SECONDARY SIDE CAN ANY ONE EXPLAIN IT.. THE TRANSFORMER IS OF KIRLOSKAR MAKE AND IT HAS TAP CHANGER.

1 Answers  

---

What is the power ratio between power in Star and Delta circuit?

11 Answers   ST Micro,

---

Can we use Ccapacitive voltage transformer directly for metering purpose?

0 Answers  

---

in transformer star connection with neutral are shorted. is there is any effect.

1 Answers  

---

while running ,synchronous generator is being turned off.what will happen to the current flow??

1 Answers  

---

HOW TO CALCULATE THE ILLUMINATION IN INDOOR LIGHTING?

0 Answers   L&T,

---

If VFD is On but no starting commond on it. so how many outpout voltages of VFD

0 Answers  

---

1-What is the difference between absorption factor and polarization factor in insulation resistance test in transformers? and why we inject until ten minutes to get polarization factor?

1 Answers  

---

how earth resistance can be improved in dry soil

0 Answers   BARC,

---

what is skin effect and why is it absent in DC systems

4 Answers  

---