The Millivolt-Ampere Reactive Hour (mVARh) is an intriguing unit utilized to measure reactive energy in electrical systems, which might not be as well-known as its real power counterpart, the Watt. Reactive power is essential for maintaining voltage stability in alternating current systems, as it helps to energize the magnetic fields in motors and transformers. Without proper control of reactive power, the efficiency and reliability of power grids would significantly diminish.
An interesting aspect of reactive power is that it generates no useful work by itself, yet it is crucial for the functioning of AC systems. Engineers carefully manage reactive power to reduce losses and improve the quality of power delivery. So next time you hear about power consumption, remember that it’s not just about watts—a seamless supply also relies heavily on managing units like the mVARh.
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.
Millivolt-Amperes Reactive Hour | Megavolt-Amperes Reactive Hour |
---|---|
0
mVARh
|
0
MVARh
|
10000
mVARh
|
0.00001
MVARh
|
20000
mVARh
|
0.00002
MVARh
|
30000
mVARh
|
0.00003
MVARh
|
40000
mVARh
|
0.00004
MVARh
|
50000
mVARh
|
0.00005
MVARh
|
60000
mVARh
|
0.00006
MVARh
|
70000
mVARh
|
0.00007
MVARh
|
80000
mVARh
|
0.00008
MVARh
|
90000
mVARh
|
0.00009
MVARh
|
100000
mVARh
|
0.0001
MVARh
|
110000
mVARh
|
0.00011
MVARh
|
120000
mVARh
|
0.00012
MVARh
|
130000
mVARh
|
0.00013
MVARh
|
140000
mVARh
|
0.00014
MVARh
|
150000
mVARh
|
0.00015
MVARh
|
160000
mVARh
|
0.00016
MVARh
|
170000
mVARh
|
0.00017
MVARh
|
180000
mVARh
|
0.00018
MVARh
|
190000
mVARh
|
0.00019
MVARh
|
200000
mVARh
|
0.0002
MVARh
|
210000
mVARh
|
0.00021
MVARh
|
220000
mVARh
|
0.00022
MVARh
|
230000
mVARh
|
0.00023
MVARh
|
240000
mVARh
|
0.00024
MVARh
|
250000
mVARh
|
0.00025
MVARh
|
260000
mVARh
|
0.00026
MVARh
|
270000
mVARh
|
0.00027
MVARh
|
280000
mVARh
|
0.00028
MVARh
|
290000
mVARh
|
0.00029
MVARh
|
300000
mVARh
|
0.0003
MVARh
|
310000
mVARh
|
0.00031
MVARh
|
320000
mVARh
|
0.00032
MVARh
|
330000
mVARh
|
0.00033
MVARh
|
340000
mVARh
|
0.00034
MVARh
|
350000
mVARh
|
0.00035
MVARh
|
360000
mVARh
|
0.00036
MVARh
|
370000
mVARh
|
0.00037
MVARh
|
380000
mVARh
|
0.00038
MVARh
|
390000
mVARh
|
0.00039
MVARh
|
400000
mVARh
|
0.0004
MVARh
|
410000
mVARh
|
0.00041
MVARh
|
420000
mVARh
|
0.00042
MVARh
|
430000
mVARh
|
0.00043
MVARh
|
440000
mVARh
|
0.00044
MVARh
|
450000
mVARh
|
0.00045
MVARh
|
460000
mVARh
|
0.00046
MVARh
|
470000
mVARh
|
0.00047
MVARh
|
480000
mVARh
|
0.00048
MVARh
|
490000
mVARh
|
0.00049
MVARh
|
500000
mVARh
|
0.0005
MVARh
|
510000
mVARh
|
0.00051
MVARh
|
520000
mVARh
|
0.00052
MVARh
|
530000
mVARh
|
0.00053
MVARh
|
540000
mVARh
|
0.00054
MVARh
|
550000
mVARh
|
0.00055
MVARh
|
560000
mVARh
|
0.00056
MVARh
|
570000
mVARh
|
0.00057
MVARh
|
580000
mVARh
|
0.00058
MVARh
|
590000
mVARh
|
0.00059
MVARh
|
600000
mVARh
|
0.0006
MVARh
|
610000
mVARh
|
0.00061
MVARh
|
620000
mVARh
|
0.00062
MVARh
|
630000
mVARh
|
0.00063
MVARh
|
640000
mVARh
|
0.00064
MVARh
|
650000
mVARh
|
0.00065
MVARh
|
660000
mVARh
|
0.00066
MVARh
|
670000
mVARh
|
0.00067
MVARh
|
680000
mVARh
|
0.00068
MVARh
|
690000
mVARh
|
0.00069
MVARh
|
700000
mVARh
|
0.0007
MVARh
|
710000
mVARh
|
0.00071
MVARh
|
720000
mVARh
|
0.00072
MVARh
|
730000
mVARh
|
0.00073
MVARh
|
740000
mVARh
|
0.00074
MVARh
|
750000
mVARh
|
0.00075
MVARh
|
760000
mVARh
|
0.00076
MVARh
|
770000
mVARh
|
0.00077
MVARh
|
780000
mVARh
|
0.00078
MVARh
|
790000
mVARh
|
0.00079
MVARh
|
800000
mVARh
|
0.0008
MVARh
|
810000
mVARh
|
0.00081
MVARh
|
820000
mVARh
|
0.00082
MVARh
|
830000
mVARh
|
0.00083
MVARh
|
840000
mVARh
|
0.00084
MVARh
|
850000
mVARh
|
0.00085
MVARh
|
860000
mVARh
|
0.00086
MVARh
|
870000
mVARh
|
0.00087
MVARh
|
880000
mVARh
|
0.00088
MVARh
|
890000
mVARh
|
0.00089
MVARh
|
900000
mVARh
|
0.0009
MVARh
|
910000
mVARh
|
0.00091
MVARh
|
920000
mVARh
|
0.00092
MVARh
|
930000
mVARh
|
0.00093
MVARh
|
940000
mVARh
|
0.00094
MVARh
|
950000
mVARh
|
0.00095
MVARh
|
960000
mVARh
|
0.00096
MVARh
|
970000
mVARh
|
0.00097
MVARh
|
980000
mVARh
|
0.00098
MVARh
|
990000
mVARh
|
0.00099
MVARh
|
1000000
mVARh
|
0.001
MVARh
|
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