Answer / niranjan

Its braking the motor by reversing the current direction in the circuit, it can be done by interchanging the the two supply terminals, in case of DC and in AC three phase, it can be done by interchanging any two lines of the three lines.

what is power factor?

8 Answers   Adani, Blue Star, Power Control,

---

what is the use of Antipumping in HT breakers.

9 Answers  

---

xlpe cable 4 core nuetral wire is small why ?

3 Answers  

---

Why does not AC excitation use in rotor of AC Generator instead of DC excitation?

2 Answers   A2Z Group,

---

When we giving the 3 phase supply to ups system how to coming netural?

0 Answers   Juniper Networks, Tata Motors,

---

with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen

0 Answers  

---

For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

0 Answers   Hormozgan Steel,

---

explain why tap changer is always connected to high voltage winding side of the transformer.

10 Answers   IOCL, UPPCL,

---

What is Anemometer used to measure?

0 Answers   Blue Star,

---

Calculation for the adequacy of 380 KVA neutral earth flat size

1 Answers   Electrical,

---

The screw thread commonly used for transmission of motion is one of the following types of threads

0 Answers   Caterpillar,

---

Explain what is electric traction? Explain few advantages of electric traction system?

0 Answers  

---