Answer Posted / guest

In 3ph motor three winding are 120°electrical apart but in case of capactor motor. 1) phase spliti 90°by capacitor ie. 3/4 of NS. 2) generdly Poles are more than 3ph motor. these are may why capacitor fan run siow.

WHY DO VOLTAGE TRANSFORMERS FAIL DURING EARTH FAULT IN THE DELTA CONNECTED 6.6KV ELECTRICAL SYSTEM

2048

---

it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

2075

---

1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)

1934

---

In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

3296

---

If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

4543

---

How good are you in resolving the commercial issues to Employer's advantage?

2414

---

What is mean by STUB protection?

2127

---

if we have 320KVA Genset kindly advice how much load we can put it.

1569

---

what is the difference b/w UHVDC and HVDC(LIGHT)?

6916

---

What are gain margin and phase margin?

1437

---

Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

1928

---

show the single line diagram of star delta starter with single phase preventer

4695

---

What type of fittings and electrical accessories can be install in radiation area ?

1802

---

what is alluminium arm in ab conductors

2049

---

what is the current density of copper & alluminium.

2123

---