what is different between earthing and grounding for a electrical eqipment ?

2 Answers   BARC, Omega Maritime,

---

how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt is 90 meter away from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts at lamp terminal ....

1 Answers  

---

Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

0 Answers  

---

How may I enrol or get admission to your program?

0 Answers  

---

harmonics filter

0 Answers   SEHA,

---

i have 2kv ups how many watts batteries is required

2 Answers  

---

What is CCM in Electrical ? where can we use this material?

0 Answers  

---

How can eliminate noise problem inside temperature controller temp. variation due to contactor chattering problem.

0 Answers  

---

ADVANTAGES OF DIGITAL COMMUNICATION OVER ANALOG.?

1 Answers   Google,

---

what is the role of energy meter in distribution system ?

0 Answers  

---

what is transient stability analysis means?

0 Answers  

---

open circuit test when performed on double the voltage & double the freq, then what will happen with p.f and current magnitude?

1 Answers   Aarti Drugs,

---