Answer Posted / shyam

In case of a fault or in case of unbalanced load,there is
some leakage current which flows through the neutral.
so there is some current through the neutral but not in all
conditions.

Iin ESP why positive is grounded ? why not negative ?

2553

---

How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

5329

---

how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

2785

---

What is purpose of reactor?.What is different between line and bus reactor?

1896

---

How to calculate mf when meter equipment and meter are connected

1674

---

How to calculate Temp from Resister from PT100 equation,

1689

---

What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

1974

---

please send me privious exam's queation papers of section engineer(electrical).

2002

---

all details of DG UPS HVAC

2003

---

Why power genaration in India is at 50HZ while America its 60HZ

2231

---

what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

2238

---

In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

2039

---

how unidirectional torque is produced in DC motor?

6729

---

Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

1612

---

List examples of current sources?

1064

---