The megavolt-ampere reactive (MVAR) is a unit of measurement used in electrical systems to quantify reactive power, which is the non-working power component in an AC circuit. Unlike real power (measured in watts), which performs actual work, reactive power is essential for maintaining voltage levels necessary for active power to flow through the grid. Think of it like the foam on a latte—it doesn’t contribute to the coffee’s caffeination but is critical for its quality and structure.
Engineers use MVARs to optimize the efficiency of power delivery, ensuring systems don’t become overloaded. This balance is vital for the stability of power grids, especially as renewable energy sources like wind and solar, which are often variable and intermittent, become more prevalent in our energy mix.
Kilovolt-Ampere Reactive (kVAR) is a unit that measures reactive power in an electrical system, which is essential for maintaining voltage levels necessary for the safe and efficient operation of electrical equipment. Unlike active power, which performs useful work, reactive power oscillates between the source and load, helping to sustain the magnetic and electric fields that spin motors and flow electricity.
Understanding kVAR is crucial in industries reliant on large motors and transformers, as it helps in optimizing power factor and reducing unnecessary power wastage. Managing kVAR can also lead to significant cost savings by minimizing energy losses and improving overall electrical system efficiency. This unit plays a vital role in ensuring that electrical systems are not only effective but also economically viable.
Megavolt-Amperes Reactive | Kilovolt-Amperes Reactive |
---|---|
0
MVAR
|
0
kVAR
|
1
MVAR
|
1000
kVAR
|
2
MVAR
|
2000
kVAR
|
3
MVAR
|
3000
kVAR
|
4
MVAR
|
4000
kVAR
|
5
MVAR
|
5000
kVAR
|
6
MVAR
|
6000
kVAR
|
7
MVAR
|
7000
kVAR
|
8
MVAR
|
8000
kVAR
|
9
MVAR
|
9000
kVAR
|
10
MVAR
|
10000
kVAR
|
11
MVAR
|
11000
kVAR
|
12
MVAR
|
12000
kVAR
|
13
MVAR
|
13000
kVAR
|
14
MVAR
|
14000
kVAR
|
15
MVAR
|
15000
kVAR
|
16
MVAR
|
16000
kVAR
|
17
MVAR
|
17000
kVAR
|
18
MVAR
|
18000
kVAR
|
19
MVAR
|
19000
kVAR
|
20
MVAR
|
20000
kVAR
|
21
MVAR
|
21000
kVAR
|
22
MVAR
|
22000
kVAR
|
23
MVAR
|
23000
kVAR
|
24
MVAR
|
24000
kVAR
|
25
MVAR
|
25000
kVAR
|
26
MVAR
|
26000
kVAR
|
27
MVAR
|
27000
kVAR
|
28
MVAR
|
28000
kVAR
|
29
MVAR
|
29000
kVAR
|
30
MVAR
|
30000
kVAR
|
31
MVAR
|
31000
kVAR
|
32
MVAR
|
32000
kVAR
|
33
MVAR
|
33000
kVAR
|
34
MVAR
|
34000
kVAR
|
35
MVAR
|
35000
kVAR
|
36
MVAR
|
36000
kVAR
|
37
MVAR
|
37000
kVAR
|
38
MVAR
|
38000
kVAR
|
39
MVAR
|
39000
kVAR
|
40
MVAR
|
40000
kVAR
|
41
MVAR
|
41000
kVAR
|
42
MVAR
|
42000
kVAR
|
43
MVAR
|
43000
kVAR
|
44
MVAR
|
44000
kVAR
|
45
MVAR
|
45000
kVAR
|
46
MVAR
|
46000
kVAR
|
47
MVAR
|
47000
kVAR
|
48
MVAR
|
48000
kVAR
|
49
MVAR
|
49000
kVAR
|
50
MVAR
|
50000
kVAR
|
51
MVAR
|
51000
kVAR
|
52
MVAR
|
52000
kVAR
|
53
MVAR
|
53000
kVAR
|
54
MVAR
|
54000
kVAR
|
55
MVAR
|
55000
kVAR
|
56
MVAR
|
56000
kVAR
|
57
MVAR
|
57000
kVAR
|
58
MVAR
|
58000
kVAR
|
59
MVAR
|
59000
kVAR
|
60
MVAR
|
60000
kVAR
|
61
MVAR
|
61000
kVAR
|
62
MVAR
|
62000
kVAR
|
63
MVAR
|
63000
kVAR
|
64
MVAR
|
64000
kVAR
|
65
MVAR
|
65000
kVAR
|
66
MVAR
|
66000
kVAR
|
67
MVAR
|
67000
kVAR
|
68
MVAR
|
68000
kVAR
|
69
MVAR
|
69000
kVAR
|
70
MVAR
|
70000
kVAR
|
71
MVAR
|
71000
kVAR
|
72
MVAR
|
72000
kVAR
|
73
MVAR
|
73000
kVAR
|
74
MVAR
|
74000
kVAR
|
75
MVAR
|
75000
kVAR
|
76
MVAR
|
76000
kVAR
|
77
MVAR
|
77000
kVAR
|
78
MVAR
|
78000
kVAR
|
79
MVAR
|
79000
kVAR
|
80
MVAR
|
80000
kVAR
|
81
MVAR
|
81000
kVAR
|
82
MVAR
|
82000
kVAR
|
83
MVAR
|
83000
kVAR
|
84
MVAR
|
84000
kVAR
|
85
MVAR
|
85000
kVAR
|
86
MVAR
|
86000
kVAR
|
87
MVAR
|
87000
kVAR
|
88
MVAR
|
88000
kVAR
|
89
MVAR
|
89000
kVAR
|
90
MVAR
|
90000
kVAR
|
91
MVAR
|
91000
kVAR
|
92
MVAR
|
92000
kVAR
|
93
MVAR
|
93000
kVAR
|
94
MVAR
|
94000
kVAR
|
95
MVAR
|
95000
kVAR
|
96
MVAR
|
96000
kVAR
|
97
MVAR
|
97000
kVAR
|
98
MVAR
|
98000
kVAR
|
99
MVAR
|
99000
kVAR
|
100
MVAR
|
100000
kVAR
|
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