Motors Run With 30% Loaded Condition and Sometimes 50% Loading Conditions

Sr.
No.

Case

Technique

1

Motor running with 30% loaded condition but sometimes rises to 50%
loading condition.

1.Convert  to Y connection for
lightly loaded.

2.Use APFC or IPSC for better p.f. improvement.

3.Use cooling fans for motor.

4.If possible use low capacity motor.

2

Motor running 70% in loaded condition.

1.Use APFC or IPSC for better p.f. improvement.

2.Use cooling fan for motor.

3

Motor runs continuously under no-load condition.

1.Convert    Y for highly
loaded motor.

2.Switch off the motor.

3.use low capacity motor.

4.Use cooling fans for motor.

5.Use APFC and IPSC for better p.f. improvement.

4

Motor is continuously loaded at 50%.

1.Convert     Y for highly loaded
motor.

2.Use cooling fan.

3.Use APFC and IPSC for better p.f. improvement.