Answer Posted / saurabh bhardwaj

transformer output is always depends upon the power factor,
P=V*I*p.f, T/F has not work as a load on it when there is no
load there is no p.f. so it's rating in KVA.KVA RATING IS
GIVEN BY MANUFACTURER WHO HASN'T KNOW WHAT TYPE OF LOAD WILL
APPLY IN FUTURE BY CONSUMER.

What are the commonly used schemes for the bus zone protection?

1067

---

Define steady state error.

1105

---

If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

6144

---

hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

2104

---

what is sevice settings for mccb?How can be it setted?

2240

---

What are the components of feedback control system?

1096

---

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

1766

---

hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?

1903

---

I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

1981

---

lenz law application and define

2844

---

how to calculate the settings for shaft ct protn in hydro generators

1977

---

two phases with neutral supply can be taken in 3C X 10 sq.mm cable .

1433

---

exolain the star delta connection

2684

---

How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.

3387

---

what is JE exam?

2184

---