Answer / sandy

to make the fan motor self stating and to inprove the power
factor capacitor used in fan not resitor.

Answer / qurrat ul ain

Capacitor is used in series with the auxiliary winding of the fan motor to make the phase difference between main winding current and auxiliary winding current equal to 90 degrees. This makes the fan motor self-starting. The auxiliary winding along with the capacitor may be disconnected after starting. However, generally the capacitor and auxiliary windings are allowed to remain connected in order to improve the motor performance, the power factor, in particular.

Answer / lokeshraj

CAPACITOR SPLITS THE MAGNETIC FIELD AT SOME ANGLE TO MAKE
THE MOTOR SELFSTART.

Answer / yk

we use capacitor not resistor b'couse in short for phase
difference in starting winding and running winding flux .

what is the difference between earth and unearth cable?

1 Answers   Essar,

---

You are of electrical field and you are going for software? Why

0 Answers  

---

Rotor resistance starter is used to obtain= A increased starting torque B decrease starting current C decrease starting loss D increase efficiency

1 Answers  

---

Difference between UPS and Inverter?

7 Answers   HCL,

---

What is the difference between a Junction Box and a Marshalling Box?

8 Answers  

---

What is sequence network? Discuss all three types of sequence network.

1 Answers  

---

what is the meaning write of AC1,AC2,AC3 .....power contactor

7 Answers   ABB,

---

what is humming AC solenoid

2 Answers   Seagate,

---

can i have the methods of speed controls for 3 phase AC MOTORS.

7 Answers  

---

What is the rating of HT SUBSTATION and LT SUBSTATION?

11 Answers   NTPC, Sail,

---

what is impedance in a transformer? how can i calculate it?

1 Answers  

---

what is the function of Moulded case circuit breaker, why it is called Moulded?

0 Answers  

---