What is Grounding?

2 Answers  

---

What is done to avoid interference of high frequency transmission lines with communication lines??

4 Answers  

---

what is the difference between relay, contactor

4 Answers   BRSS, Vishay Intertechnology,

---

What are IP protections used for electrical panels, JB, equipments installed in explosive zones like Petrochemicals, Oil & gas

1 Answers  

---

WHAT IS THE MEANING OF 'UPF'&'LPF'.... HOW CAN WE DEFINE IT? WHAT IS THE VALUE/RANGE OF EARTH WIRE RESISTANCE USED PARTICULARLY IN HOME....

2 Answers  

---

---

can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

0 Answers   MCB,

---

How to findout raw or ups power? its not indicated in socket,

0 Answers   Novo Nordisk,

---

Waht are the protection should be use in HT/ LT side of the same Xformer?

1 Answers  

---

whenever any squirrel or a crow falls on the transformer input line then there is a big explosion and 440 volts of power is being discharged through the neutral line due to which appliances in off mode are also burned.we have earthing for the transformer as well as the bus bar chamber.why is it happening?

1 Answers  

---

Why the power factor of the alternator in power plant is kept .8 lagging. Can't we maintain it at 1.

3 Answers  

---

Can anybody explain me the electrical circuit of indian railways to drive electrical engines(LOCOMOTIVES)? How does overhead lines work in the circuit to drive different trains on the same track?

1 Answers  

---

How does one convert an AC motor into a generator?

6 Answers   Bhel, ZK,

---