What is notching in dc machine?

0 Answers  

---

why is the core of the underground cable is spiral in shape instead of straight?

8 Answers   Mecon,

---

1. Design a counter which counts 0, 4, 8, 2, 6, and repeats using: 1.a using JK flip flops 1.b using T flip flops 1.c using D flip flops

0 Answers  

---

What is the function of induction motor when low voltage is apply.

6 Answers  

---

why neutral busbar size is half of the phase busbar size in control panels

1 Answers   IBS,

---

---

Transformer's core is made up of which material and why so?

10 Answers   ABB, NTPC,

---

Why motor is not calculated in kva, whereas transormers are calculated in kva

2 Answers  

---

what is negative phase sequence

1 Answers  

---

Why we use CT on differant phases of 2ph.PT detection for brush-less static excitation of 3ph.,400v Synchronous Generator? What happen if use CT on same one of VT phase?

2 Answers   Hydropower,

---

why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?

0 Answers  

---

Why we are using only Dyn11 tranformer in distribution system but not using a Dyn1 in distributing system?why not and advantage and disadvantage in both

0 Answers   Jindal,

---

at the time of starting back emf of a motor is zero.so how can it will start to run??

1 Answers  

---