Formulas And Calculations

kW to VA Conversion Calculator Online With Motor Chart

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March 26, 2022

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kW to VA Conversion Calculator Online With Motor Chart

What Is A Kilowatt?

A kilowatt is a unit of energy that carries a lot of significance in everyday life — it’s the base unit used in the routine measurement for electrical energy. All the appliances and gadgets in your home consume electricity measured in kilowatts.

What is meant by volt-ampere?

Volt-ampere (VA) is a measurement of power in a direct current ( DC ) electrical circuit. The VA specification is also used in alternating current ( AC ) circuits, but it is less precise in this application, because it represents apparent power , which often differs from true power

kW to VA Conversion Calculator Online With Motor Chart

Kilowatts to volt-amps calculation formula

The apparent power S in volt-amps (VA) is equal to 1000 times the real power P in kilowatts (kW), divided by the power factor PF

S_(VA) = 1000 × P_(kW)/ PF

So volt-amps are equal to 1000 times kilowatts divided by the power factor.

volt-amps = 1000 × kilowatts / PF

or

VA = 1000 × kW / PF

Example

What is the apparent power in volt-amps when the real power is 3 kW and the power factor is 0.8?

Solution:

S = 1000 × 3kW / 0.8 = 3750VA

kW to VA conversion chart:

kW	Power Factor	VA
1 kW	0,75 P.f	1333,3 VA
2 kW	0,75 P.f	2666,6 VA
3 kW	0,75 P.f	4000 VA
4 kW	0,75 P.f	5333,3 VA
5 kW	0,75 P.f	6666,6 VA
6 kW	0,75 P.f	8000 VA
7 kW	0,75 P.f	9333,33 VA
8 kW	0,75 P.f	10666,6 VA
9 kW	0,75 P.f	12000 VA
10 kW	0,8 P.f	12500 VA
20 kW	0,8 P.f	25000 VA
30 kW	0,8 P.f	37500 VA
40 kW	0,8 P.f	50000 VA
50 kW	0,8 P.f	62500 VA
60 kW	0,8 P.f	75000 VA
70 kW	0,8 P.f	87500 VA
80 kW	0,8 P.f	100000 VA
90 kW	0,8 P.f	112500 VA
100 kW	0,85 P.f	117647,05 VA
200 kW	0,85 P.f	235294,11 VA
300 kW	0,85 P.f	352941,17 VA
400 kW	0,85 P.f	470588,2 VA
500 kW	0,85 P.f	588235,2 VA
600 kW	0,85 P.f	705882,35 VA
700 kW	0,85 P.f	823529,4 VA
800 kW	0,85 P.f	941176,4 VA
900 kW	0,85 P.f	1058823,52 VA
1000 kW	0,9 P.f	1111111,11 VA
2000 kW	0,9 P.f	2222222,22 VA
3000 kW	0,9 P.f	3333333,3 VA
4000 kW	0,9 P.f	4444444,4 VA
5000 kW	0,9 P.f	5555555,5 VA
6000 kW	0,9 P.f	6666666,6 VA
7000 kW	0,9 P.f	7777777,77 VA
8000 kW	0,9 P.f	8888888,88 VA
9000 kW	0,9 P.f	10000000 VA
10000 kW	0,95 P.f	10526315,7 VA
20000 kW	0,95 P.f	21052631,57 VA
30000 kW	0,95 P.f	31578947,3 VA
40000 kW	0,95 P.f	42105263,1 VA
50000 kW	0,95 P.f	52631578,94 VA
60000 kW	0,95 P.f	63157894,73 VA
70000 kW	0,95 P.f	73684210,52 VA
80000 kW	0,95 P.f	84210526,31 VA
90000 kW	0,95 P.f	94736842,1 VA

Typical Un-improved Power Factor by Industry:

Industry	Power Factor
Auto Parts	0.75-0.80
Brewery	0.75-0.80
Cement	0.80-0.85
Chemical	0.65-0.75
Coal Mine	0.65-0.80
Clothing	0.35-0.60
Electroplating	0.65-0.70
Foundry	0.75-0.80
Forging	0.70-0.80
Hospital	0.75-0.80
Machine Manufacturing	0.60-0.65
Metalworking	0.65-0.70
Office Building	0.80-0.90
Oil field Pumping	0.40-0.60
Paint Manufacturing	0.65-0.70
Plastic	0.75-0.80
Stamping	0.60-0.70
Steel Works	0.65-0.80
Tool, dies, jigs industry	0.65-0.75

Typical power factor of common household electronics:

Electronics device	Power Factor
Magnavox Projection TV – standby	0,37
Samsung 70″ 3D Bluray	0,48
Digital Picture Frame	0,52
ViewSonic Monitor	0,5
Dell Monitor	0,55
Magnavox Projection TV	0,58
Digital Picture Frame	0,6
Digital Picture Frame	0,62
Digital Picture Frame	0,65
Philips 52″ Projection TV	0,65
Wii	0,7
Digital Picture Frame	0,73
Xbox Kinect	0,75
Xbox 360	0,78
Microwave	0,9
Sharp Aquos 3D TV	0,95
PS3 Move	0,98
Playstation 3	0,99
Element 41″ Plasma TV	0,99
Current large, flat-screen television	0,96
Windows-mount air conditioner	0,9
Legacy CRT-Based color television	0,7
Legacy flat panel computer monitor	0,64
While-LED lighting fixture	0,61
Legacy laptop power adapter	0,55
Laser Printer	0,5
Incandescent lamps	1
Fluorescent lamps (uncompensated)	0,5
Fluorescent lamps (compensated)	0,93
Discharge lamps	0,4-0,6

Typical Motor Power Factors:

Power	Speed	Power Factor
(hp)	(rpm)	1/2 load	3/4 load	full load
0 – 5	1800	0.72	0.82	0.84
5 – 20	1800	0.74	0.84	0.86
20 – 100	1800	0.79	0.86	0.89
100 – 300	1800	0.81	0.88	0.91

READ HERE Solving Equations With Complex Numbers

kW to VA Conversion Calculator Online With Motor Chart

What Is A Kilowatt?

A kilowatt is a unit of energy that carries a lot of significance in everyday life — it’s the base unit used in the routine measurement for electrical energy. All the appliances and gadgets in your home consume electricity measured in kilowatts.

What is meant by volt-ampere?

Volt-ampere (VA) is a measurement of power in a direct current ( DC ) electrical circuit. The VA specification is also used in alternating current ( AC ) circuits, but it is less precise in this application, because it represents apparent power , which often differs from true power

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kW to VA Conversion Calculator Online With Motor Chart

Kilowatts to volt-amps calculation formula

The apparent power S in volt-amps (VA) is equal to 1000 times the real power P in kilowatts (kW), divided by the power factor PF

S(VA) = 1000 × P(kW)/ PF

So volt-amps are equal to 1000 times kilowatts divided by the power factor.

volt-amps = 1000 × kilowatts / PF

or

VA = 1000 × kW / PF

Example

What is the apparent power in volt-amps when the real power is 3 kW and the power factor is 0.8?

Solution:

S = 1000 × 3kW / 0.8 = 3750VA

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kW to VA conversion chart:

kW

Power Factor

VA

1 kW

0,75 P.f

1333,3 VA

2 kW

0,75 P.f

2666,6 VA

3 kW

0,75 P.f

4000 VA

4 kW

0,75 P.f

5333,3 VA

5 kW

0,75 P.f

6666,6 VA

6 kW

0,75 P.f

8000 VA

7 kW

0,75 P.f

9333,33 VA

8 kW

0,75 P.f

10666,6 VA

9 kW

0,75 P.f

12000 VA

10 kW

0,8 P.f

12500 VA

20 kW

0,8 P.f

25000 VA

30 kW

0,8 P.f

37500 VA

40 kW

0,8 P.f

50000 VA

50 kW

0,8 P.f

62500 VA

60 kW

0,8 P.f

75000 VA

70 kW

0,8 P.f

87500 VA

80 kW

0,8 P.f

100000 VA

90 kW

0,8 P.f

112500 VA

100 kW

0,85 P.f

117647,05 VA

S_(VA) = 1000 × P_(kW)/ PF