Answer Posted / mahesh sali

for solid earthing it will come around - 5 ohms

for resistive earthing the value being 1 to 2 ohms

for reactance earthing the above value will come down
around , it will be les than 1 ohm ,


thank u

Can RCD's used to protect the VVVF drive if not why.

2114

---

please send me the L&T Emb. sys. placement papers and entire details of pattren

2300

---

11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?

1626

---

hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible

1814

---

What is the necessary and sufficient condition for stability.

1102

---

What do you mean by reach and reach the point of the relay?

1231

---

What is the suitable transmission voltage?

1034

---

hello friends..... any one have papers or any study materials?sail ,hpcl...?

1854

---

Why can't we take NO LOAD TRIAL of motors having V1 mounting??

1894

---

While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x

1891

---

I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.

2422

---

What are the advantages of skewing of cage rotor conductors?

1174

---

How to check the cable fault / hv test of transformer cable.

1844

---

How eddy current generation support the idea of train braking?

1954

---

Whether the vacuum contactor requires Short circuit protection?If No,why?

2007

---