Answer / chira

It's D) Less than or equal to because of
Electrical angle = P/2 Mechanical Angle
P is Number of poles
So if P = 2 than Equal & for others is less than Electrical angle

what is the different between bus section and bus coupler

2 Answers  

---

why different series of vfds (like allenbradley)are used in industry ?

0 Answers  

---

How can transformer winding insulation be measured (Delta & Star Connections)?

3 Answers  

---

what is deffrence between squirral cage and wound rotor in IM?

0 Answers   ME,

---

I have a transformer whose primary operates at 230V, 50Hz for which the secondary voltage will be 12V, 50Hz. What will be the secondary voltage if the primary is fed with 400V, 8KHZ Signal?

6 Answers   ABB,

---

---

what is meant by armature reaction & where its happen ?

3 Answers  

---

Give some differences between open loop and closed loop?

0 Answers   Ericsson,

---

what is the maintaining Cf in UPS.

0 Answers   Enercon,

---

whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?

1 Answers  

---

Simultaneous trip of incoming and outgoing breakers of 400kv/220kv trnasformer. What are the probable causes?

2 Answers  

---

How Cable Size is determined for a Particular load.

4 Answers  

---

pls tell us AC plant are how do work and parts name with picture

0 Answers   Mukand,

---