The megavolt-ampere reactive hour (MVARh) is an intriguing unit that measures reactive energy, which often goes unnoticed in everyday electrical consumption. Unlike active power measured in kilowatt-hours (kWh), which does real work like lighting a bulb, reactive power is vital for maintaining voltage levels necessary to keep the electrical system stable. It’s the unsung hero ensuring the efficiency and safety of power distribution networks.
Reactive power doesn’t perform tangible tasks, but it is essential for the AC power system’s health. In large-scale operations like factories, an adequate balance of reactive power can lead to significant cost savings by reducing the need for additional transmission capacity. It’s a concept that highlights the unseen complexities behind the convenience of flipping a switch.
Gigavolt-Ampere Reactive Hour (GVARh) might sound like a mouthful, but it’s an essential unit in the world of electrical engineering. It measures reactive energy, which is the energy consumed in creating electric and magnetic fields in inductive and capacitive components of an alternating current (AC) system, such as transformers and motors. Unlike active energy, which performs actual work, reactive energy is crucial for maintaining voltage levels necessary for the efficient functioning of an electrical grid.
Reactive power isn’t wasted energy; instead, it balances the active power and allows for stable power delivery. To manage the “invisible” but critical aspect of reactive power, businesses employ power factor correction techniques to optimize energy efficiency. Understanding GVARh can help engineers design better systems and ensure the uninterrupted supply of power across large networks.
Megavolt-Amperes Reactive Hour | Gigavolt-Amperes Reactive Hour |
---|---|
0
MVARh
|
0
GVARh
|
1
MVARh
|
0.001
GVARh
|
2
MVARh
|
0.002
GVARh
|
3
MVARh
|
0.003
GVARh
|
4
MVARh
|
0.004
GVARh
|
5
MVARh
|
0.005
GVARh
|
6
MVARh
|
0.006
GVARh
|
7
MVARh
|
0.007
GVARh
|
8
MVARh
|
0.008
GVARh
|
9
MVARh
|
0.009
GVARh
|
10
MVARh
|
0.01
GVARh
|
11
MVARh
|
0.011
GVARh
|
12
MVARh
|
0.012
GVARh
|
13
MVARh
|
0.013
GVARh
|
14
MVARh
|
0.014
GVARh
|
15
MVARh
|
0.015
GVARh
|
16
MVARh
|
0.016
GVARh
|
17
MVARh
|
0.017
GVARh
|
18
MVARh
|
0.018
GVARh
|
19
MVARh
|
0.019
GVARh
|
20
MVARh
|
0.02
GVARh
|
21
MVARh
|
0.021
GVARh
|
22
MVARh
|
0.022
GVARh
|
23
MVARh
|
0.023
GVARh
|
24
MVARh
|
0.024
GVARh
|
25
MVARh
|
0.025
GVARh
|
26
MVARh
|
0.026
GVARh
|
27
MVARh
|
0.027
GVARh
|
28
MVARh
|
0.028
GVARh
|
29
MVARh
|
0.029
GVARh
|
30
MVARh
|
0.03
GVARh
|
31
MVARh
|
0.031
GVARh
|
32
MVARh
|
0.032
GVARh
|
33
MVARh
|
0.033
GVARh
|
34
MVARh
|
0.034
GVARh
|
35
MVARh
|
0.035
GVARh
|
36
MVARh
|
0.036
GVARh
|
37
MVARh
|
0.037
GVARh
|
38
MVARh
|
0.038
GVARh
|
39
MVARh
|
0.039
GVARh
|
40
MVARh
|
0.04
GVARh
|
41
MVARh
|
0.041
GVARh
|
42
MVARh
|
0.042
GVARh
|
43
MVARh
|
0.043
GVARh
|
44
MVARh
|
0.044
GVARh
|
45
MVARh
|
0.045
GVARh
|
46
MVARh
|
0.046
GVARh
|
47
MVARh
|
0.047
GVARh
|
48
MVARh
|
0.048
GVARh
|
49
MVARh
|
0.049
GVARh
|
50
MVARh
|
0.05
GVARh
|
51
MVARh
|
0.051
GVARh
|
52
MVARh
|
0.052
GVARh
|
53
MVARh
|
0.053
GVARh
|
54
MVARh
|
0.054
GVARh
|
55
MVARh
|
0.055
GVARh
|
56
MVARh
|
0.056
GVARh
|
57
MVARh
|
0.057
GVARh
|
58
MVARh
|
0.058
GVARh
|
59
MVARh
|
0.059
GVARh
|
60
MVARh
|
0.06
GVARh
|
61
MVARh
|
0.061
GVARh
|
62
MVARh
|
0.062
GVARh
|
63
MVARh
|
0.063
GVARh
|
64
MVARh
|
0.064
GVARh
|
65
MVARh
|
0.065
GVARh
|
66
MVARh
|
0.066
GVARh
|
67
MVARh
|
0.067
GVARh
|
68
MVARh
|
0.068
GVARh
|
69
MVARh
|
0.069
GVARh
|
70
MVARh
|
0.07
GVARh
|
71
MVARh
|
0.071
GVARh
|
72
MVARh
|
0.072
GVARh
|
73
MVARh
|
0.073
GVARh
|
74
MVARh
|
0.074
GVARh
|
75
MVARh
|
0.075
GVARh
|
76
MVARh
|
0.076
GVARh
|
77
MVARh
|
0.077
GVARh
|
78
MVARh
|
0.078
GVARh
|
79
MVARh
|
0.079
GVARh
|
80
MVARh
|
0.08
GVARh
|
81
MVARh
|
0.081
GVARh
|
82
MVARh
|
0.082
GVARh
|
83
MVARh
|
0.083
GVARh
|
84
MVARh
|
0.084
GVARh
|
85
MVARh
|
0.085
GVARh
|
86
MVARh
|
0.086
GVARh
|
87
MVARh
|
0.087
GVARh
|
88
MVARh
|
0.088
GVARh
|
89
MVARh
|
0.089
GVARh
|
90
MVARh
|
0.09
GVARh
|
91
MVARh
|
0.091
GVARh
|
92
MVARh
|
0.092
GVARh
|
93
MVARh
|
0.093
GVARh
|
94
MVARh
|
0.094
GVARh
|
95
MVARh
|
0.095
GVARh
|
96
MVARh
|
0.096
GVARh
|
97
MVARh
|
0.097
GVARh
|
98
MVARh
|
0.098
GVARh
|
99
MVARh
|
0.099
GVARh
|
100
MVARh
|
0.1
GVARh
|
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