Answer / Bhuvnesh Kumar Rawat

A three-phase squirrel cage induction motor running slowly may be due to various factors:n
1. Under-voltage: The voltage supplied to the motor is less than the required value.
2. Overloading: Exceeding the maximum continuous power rating of the motor leads to decreased performance and increased heat generation.
3. Faulty or worn-out bearings: Damaged bearings can cause friction, which affects the motor's rotational speed.
4. Slip in the motor: The difference between the rotor and stator speeds is known as slip. An increase in slip results in a decrease in the motor's speed.
5. Winding faults: Faulty windings or loose connections can cause resistance in the motor, reducing its efficiency and speed.
6. Unbalanced loads: If the load on each phase of the motor is not evenly distributed, it may lead to a decrease in performance and an increase in vibration.
7. Poor lubrication: Insufficient or improper lubrication can cause increased friction, resulting in reduced speed.

difference between strength&hardness

7 Answers   Ford,

---

what is the uses of control rod?

2 Answers  

---

I have a Hitachi split unit 1.5 Tr but I want know that what is meaning of R-134a refrigerant and what is chemical formulla.

1 Answers   Balkrishna Industries Limited BKT, Hitachi,

---

Why large boilers are water tube type ?

1 Answers  

---

Advantage of hollow shaft over the solid shaft

3 Answers  

---

which material used in railway track

10 Answers   TATA,

---

My parents green card holder and sister is citizen so... . I m applying for spring 2010 for F1 visa... how can i convince visa officers for visa?

1 Answers  

---

Name the only five parts of lathe machine?

1 Answers  

---

Name the instrument which measures its speed in a car?

1 Answers  

---

What are the differences between pneumatics and hydraulics?

1 Answers  

---

How do you calculate the area under the stress-strain curve?

1 Answers  

---

Why preferred Production than Drilling?

1 Answers   ONGC,

---