Answer / urvish mehta

basically motors used in fans are 1-phase induction motor...$ this 1 phase induction motor can not start itself .....it need some equipment which provides necessary phase shift between its stator & rotor.....capacitor serves this purpose in fans....

HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

0 Answers  

---

Why transformer used in UPS??

0 Answers   JLL,

---

A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

0 Answers  

---

Transformer Parallel Operations

1 Answers  

---

How the electric train gets the supply of electricity? What is the return path of the current?

7 Answers   NTPC,

---

What is the difference between tie bus and bus coupler?

1 Answers  

---

What is VFD, and how its work

5 Answers  

---

WHAT ARE THE FACTORS REQUIRED FOR SELECTION OF TRANSFORMER RATING?

13 Answers   Tech Mahindra, Technip,

---

how to get more than 1000 ohms between 2 earth pits ?

2 Answers   HCL,

---

i am going to attaned the engineer (disign)iterview at HAL please give me duid line

0 Answers   HAL,

---

what is the differance of acb and mcb and mccb

12 Answers   MacAir, MDS,

---

what r the checklist while installing 500 kva transformer

0 Answers   Pepsi,

---