How much current can a 3-1/2 core 100 mm wire carry?

3 Answers   Epitome, Focus, Focus Energy,

---

How the field flux is controlled in DC drive ?

4 Answers   TATA,

---

What is the usega of brking resistor? and how it will useful to Drive...?

3 Answers  

---

1.what type of oil used in tranformer. 2.oil vesocity. 3.oil gauge. 4.witch time oil filterring & how much temperature maintaned.

9 Answers   NTPC, Reliance,

---

please explain working of revers power relay

4 Answers   CESC, DCM,

---

funtion of choke

4 Answers   L&T,

---

name the types of insulatter?

5 Answers  

---

where we use stardelta starter and dol starter

4 Answers   HCL,

---

If we have 630kva step down transformer to operation 3 phase motor 150 kva which size of cable is used? at circuit breaker to 3 phase motor or to electrical board

1 Answers  

---

Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

0 Answers  

---

What is meant by unilitrel device?plz tell about h-parametrs

1 Answers  

---

Difference between drift current and diffusion current?

0 Answers  

---