why threre are two parallel lines in transformer's symbol?

11 Answers   NTPC,

---

how to calculate the bus bar current rating

2 Answers  

---

As per which Indian Standard induction motors are manufactured?

2 Answers  

---

How does and Earth Fault Relay operates in DG set control panel?

1 Answers   Cummins, University,

---

what is disadvantages of high power factor

4 Answers  

---

How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts

0 Answers  

---

the power loss in an overloaded line is mainly due to? a. resistance b. capacitance d. inductance d. none

4 Answers  

---

determine two methods to find loose connection in operational electrical system?

0 Answers  

---

how to calculate the starting current of a motor? gopal

3 Answers   JIPT,

---

expansion of rccb

3 Answers  

---

why any Elelctricity board insist not to change the buren of their metering CTs or PTs for metering purpose? as a example elect. board not accepted that any customer change their metering CT or PT core burden from 5VA to 15VA.. why?

1 Answers  

---

which part of transformer heats up the most and why? windings, core or oil .

3 Answers   Lafarge,

---