Answer / parameswar

A motor is driving something, like a pump, compressor, fan,
winch, etc. In the United States, it is common to use
horsepower as a reference unit for the amount of power
necessary to drive the device....

Answer / k.prakashchandra

Its output is mechanical, not electrical

Answer / k.prakashchandra

The output power is mechanical and not electrical.

What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side

0 Answers   CEB,

---

what is saturation? what role it plays in operation of ct's,motors etc and how its affects the behaviour of the same.

1 Answers  

---

What is proximeter? where it is used and why?

1 Answers  

---

whay we transmit power in 3phase no in 4 or 2 or 5......etc?

4 Answers   CCCL,

---

There is two transformers of 2MVA & 3MVA, which transformer is located at the sending end & which is at receiving end. why?

3 Answers  

---

---

Befor synchronissation of Generator what test to be carried out.pl.specify with reason.

3 Answers   Kanoria,

---

What is zero of the system?

0 Answers  

---

why induction motor take more current when motor start time and this current take for 1 hours when motor is start.

2 Answers  

---

There are a Transformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

4 Answers  

---

How many Cylinders are there in Diesel Generator?

4 Answers  

---

Why does the DC voltage needed is less than AC needed to produce corona?

2 Answers   TATA,

---

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

0 Answers   Bhel, Minda,

---