Answer Posted / k.prakashchandra

Using magnetic core material of high permeability ,voltage
being the same.

list the advantages of RCCB over other circuit breakers?

1755

---

At what speed an electric car can run with 2 HP motor of weighing 400 kg?

1880

---

What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?

1153

---

explain the function of brush less dc motor?

2158

---

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

3927

---

For a stable system, where should the poles of a system be in a root loci plot?

1288

---

Explain few advantages of electric traction system?

1186

---

generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

1967

---

Explain Continuous and Discrete signals?

1785

---

what is a types of short circuit and what is a types of distance protection tests

2302

---

in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

3592

---

What is difference between Sample test and Routine test in safety standard?

1984

---

Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

4517

---

As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?

3714

---

What is the physical significant of power factor?

1977

---