Why annealing is done on transformer core manufacturing process?

1 Answers   ISRO,

---

why do we earth the tandelta point of a power transformer bushing?

1 Answers  

---

without name plate detail of blower how we can find out the HP & Rpm ? the input voltage is 230v single phase

1 Answers  

---

what is interlocing and what is the purpose of this?

4 Answers   L&T,

---

Can anyone explain the power flow in flouresent lamps (tube lights) .What are the functions of Starter & choke used there?

1 Answers  

---

please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com

0 Answers  

---

how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

0 Answers  

---

what is LDR used in street light

2 Answers   Cipla, Ram Infotech, Wipro,

---

What is the difference between Contactor and Circuit breaker ?

8 Answers  

---

IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

0 Answers   ABB,

---

how much UPS neutral erath leakage current.

0 Answers   HP,

---

what types of fault occurred in transmission line ? which protection function senses the fault?

1 Answers  

---