CAPACITORS TO MOTORS



CAPACITORS TO BE INSTALLED FOR MOTORS: 

Sl.No

Rating for individual

Motor

KVAR rating of Capacitors Various RMP of the Mortors

750 RPM

1000 RPM

1500 RPM

3000 RPM

1

Up to 3 HP

1

1

1

1

2

5 HP

2

2

2

2

3

7.5 HP

3

3

3

3

4

10 HP

4

4

4

4

5

15 HP

6

5

5

4

6

20 HP

8

7

6

5

7

25 HP

9

8

7

6

8

30 HP

10

9

8

7

9

40 HP

13

11

10

9

10

50 HP

15

15

12

10

11

60 HP

20

20

16

14

12

75 HP

24

23

19

16

13

100 HP

30

30

24

20

14

125 HP

39

38

31

26

15

150 HP

45

45

36

30

16

200 HP

60

60

48

40

 

LT CAPACITOR TO BE INSTALLED FOR WELDING SETS

Rating of Welding Set in KVA

Capacity of Capacitor in KVAR

Rating of Welding Set in KVA

Capacity of Capacitor in KVAR

1

1

18

14

2

2

19.0 to 20.0

15

3

3

21

16

4

3

22

17

5

4

23

18

6

5

24.0 to 25.0

19

7.0 to 8.0

6

26

20

9

7

27

21

10

8

28.0 to 29.0

22

11.0 to 12.0

9

30

23

13

10

31

24

14

11

32.0 to 33.0

25

15.0 to 16.0

12

34

26

17

13

35

27

POWER FACTORS OF SOME COMMON TYPES OF LOANS

Load

 

Power Factor

Load

Power Factor

Incandescent Lamps

1.00

Incandescent Lamps

0.85

Arc Lamp Used in Cinemas

0.3 to 0.7

Arc Fuenaces

0.85

Neon Sign

0.4 to 0.5

Induction furnaces

0.6

Flouresent Lamps

0.6 to 0.8

Arc Welders

0.30 to 0.4

Resistance Heaters

1.0

Resistance Heaters

0.65

 

 

     

Induction Mortors

0.8

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