How is Grounding or Earthing achieved in Planes and Automobiles?

3 Answers   ABC,

---

what is formula of dc current and resistance.

2 Answers  

---

Will a bulb glow if we connect it between the phase and earth instead of earthed neutral?

3 Answers  

---

what is direct dischage of power transformer

1 Answers  

---

MY QUATION IS ABT THE MAIN POWER TRANSFORMER IN STEEL PLANT , I WISH TO KNOW THAT WHY TRANSFORMER PROTECTION NOT TRIP AS CABLES ON THE SECONDAY SIDE IS WATER COOLED. TRANFORMER DETAIL NORMAL KVA--150 KVA PRIMARY VOLTAGE --34.5 KV SEC.NO-LOAD VOLTAGE---1.290-908-690V ( WITH PRIMARY DELTA CONNECTED) CONNECTION--D/d (EXTERNAL CLOSED) CONSTANT RATEING FROM--1.290-908V CONSTANT CURRENT FROM--908-690 VECTOR GROUP--D III

1 Answers  

---

---

Differnce between earthing and nuetral

3 Answers   S Tech, wbsedcl,

---

The windings of a transformer are divided into several coils, because?

0 Answers  

---

What will happen if the oil level in the buchholz realy of a transformer gets down?

3 Answers  

---

1 no. 22 kV feeder is taken from state electricity board. 350 MVA is the S.C. MVA. now i am feeding this feeder to HT Panel having 2 outgoings which further supply to 2 Transformers. Can you please suggest me the type & rating of cables are 3 of these cables same? or they are different? please help...............

2 Answers   TCE,

---

why can tv operate at low voltage??

2 Answers  

---

What is difference between MCB,MCCB,ELCB and RCCB? Brief description and why RCCB is costly?

3 Answers   JLL,

---

my N-P 230 VAC at 3 wires but i haven't any voltages at phase to phase whither my supply is 3 phase, why i haven't received these line to line voltages ?

2 Answers  

---