hai every bodi please let me know the test procedure for lightning arresters.

2 Answers  

---

what is the difference between a frequecy converter and an electric inverter?

2 Answers  

---

hi this is hema can anyone mail me previous years questions for the APPSC-A.E.E (in electrical stream.) ......thank u.

0 Answers  

---

what will hapen if secodery circuit is open of current transformer

8 Answers   KPTCL,

---

What is meant by Floating Neutral? how to prent

7 Answers  

---

---

how can maintaince the acb contactor moveing and fixing kit

0 Answers   Gulf Cement,

---

What is the difference between Earth and Neutral?

2 Answers  

---

After fault clearing in Tr line, whether the Metering core of CT is comes to normal condition from saturation region & its works as a normal condition?

1 Answers  

---

if a damaged 500kva transformer with %impedance 2.6 is replaced by two transformers of 250Kva with different % impedance will they be able to catter the load. what will be the ratio of load on the two transformers if the % impedance is in the ratio 1:2

2 Answers   Siemens,

---

how we can use resistance heating for any domestic purpose???

2 Answers  

---

During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

1 Answers   Private,

---

we have taken HV test of 2.5 k and Megger test on 11 kv HT cable.here it shows no fault but when we are charging the same cable with 11 kv supply why the VCB 11 kv gets tripped can anybody define the possible cause of fault ?

4 Answers   MAHINDRA,

---