The Gigavolt-Ampere Reactive (GVAR) is a unit used in the field of electrical engineering to measure reactive power in large power systems. Reactive power is crucial as it represents the portion of electricity that does not perform any actual work but is essential to maintaining the voltage levels needed for grid stability and efficient power delivery. Although their measurement isn’t directly related to energy consumption, GVARs are instrumental in ensuring that electricity can be effectively transmitted over long distances without excessive losses.
Understanding GVARs is critical for managing the power factor in electrical systems, especially in industries with significant inductive loads like motors and transformers. These loads can lead to inefficiencies, but with the right balance of reactive power, systems optimize performance and reduce energy waste, contributing to more sustainable energy practices.
Millivolt-Ampere Reactive (mVAR) is a lesser-known unit often used in electrical engineering to measure reactive power in smaller-scale applications. Unlike active power, which does the actual work, reactive power is essential for maintaining voltage stability and transferring energy in AC circuits. Reactive power exists due to the phase difference between current and voltage in inductive or capacitive loads, causing energy to oscillate between source and load rather than being consumed.
The “milli” prefix denotes one-thousandth, making 1 mVAR equal to 0.001 VARs. Understanding and managing reactive power at this scale is crucial in sensitive electronics or communication systems, where even minor fluctuations can affect performance. It highlights the delicate balance within power systems that engineers must maintain for efficiency and reliability.
Gigavolt-Amperes Reactive | Millivolt-Amperes Reactive |
---|---|
0
GVAR
|
0
mVAR
|
0.1
GVAR
|
1e+11
mVAR
|
0.2
GVAR
|
2e+11
mVAR
|
0.3
GVAR
|
3e+11
mVAR
|
0.4
GVAR
|
4e+11
mVAR
|
0.5
GVAR
|
5e+11
mVAR
|
0.6
GVAR
|
6e+11
mVAR
|
0.7
GVAR
|
7e+11
mVAR
|
0.8
GVAR
|
8e+11
mVAR
|
0.9
GVAR
|
9e+11
mVAR
|
1
GVAR
|
1e+12
mVAR
|
1.1
GVAR
|
1.1e+12
mVAR
|
1.2
GVAR
|
1.2e+12
mVAR
|
1.3
GVAR
|
1.3e+12
mVAR
|
1.4
GVAR
|
1.4e+12
mVAR
|
1.5
GVAR
|
1.5e+12
mVAR
|
1.6
GVAR
|
1.6e+12
mVAR
|
1.7
GVAR
|
1.7e+12
mVAR
|
1.8
GVAR
|
1.8e+12
mVAR
|
1.9
GVAR
|
1.9e+12
mVAR
|
2
GVAR
|
2e+12
mVAR
|
2.1
GVAR
|
2.1e+12
mVAR
|
2.2
GVAR
|
2.2e+12
mVAR
|
2.3
GVAR
|
2.3e+12
mVAR
|
2.4
GVAR
|
2.4e+12
mVAR
|
2.5
GVAR
|
2.5e+12
mVAR
|
2.6
GVAR
|
2.6e+12
mVAR
|
2.7
GVAR
|
2.7e+12
mVAR
|
2.8
GVAR
|
2.8e+12
mVAR
|
2.9
GVAR
|
2.9e+12
mVAR
|
3
GVAR
|
3e+12
mVAR
|
3.1
GVAR
|
3.1e+12
mVAR
|
3.2
GVAR
|
3.2e+12
mVAR
|
3.3
GVAR
|
3.3e+12
mVAR
|
3.4
GVAR
|
3.4e+12
mVAR
|
3.5
GVAR
|
3.5e+12
mVAR
|
3.6
GVAR
|
3.6e+12
mVAR
|
3.7
GVAR
|
3.7e+12
mVAR
|
3.8
GVAR
|
3.8e+12
mVAR
|
3.9
GVAR
|
3.9e+12
mVAR
|
4
GVAR
|
4e+12
mVAR
|
4.1
GVAR
|
4.1e+12
mVAR
|
4.2
GVAR
|
4.2e+12
mVAR
|
4.3
GVAR
|
4.3e+12
mVAR
|
4.4
GVAR
|
4.4e+12
mVAR
|
4.5
GVAR
|
4.5e+12
mVAR
|
4.6
GVAR
|
4.6e+12
mVAR
|
4.7
GVAR
|
4.7e+12
mVAR
|
4.8
GVAR
|
4.8e+12
mVAR
|
4.9
GVAR
|
4.9e+12
mVAR
|
5
GVAR
|
5e+12
mVAR
|
5.1
GVAR
|
5.1e+12
mVAR
|
5.2
GVAR
|
5.2e+12
mVAR
|
5.3
GVAR
|
5.3e+12
mVAR
|
5.4
GVAR
|
5.4e+12
mVAR
|
5.5
GVAR
|
5.5e+12
mVAR
|
5.6
GVAR
|
5.6e+12
mVAR
|
5.7
GVAR
|
5.7e+12
mVAR
|
5.8
GVAR
|
5.8e+12
mVAR
|
5.9
GVAR
|
5.9e+12
mVAR
|
6
GVAR
|
6e+12
mVAR
|
6.1
GVAR
|
6.1e+12
mVAR
|
6.2
GVAR
|
6.2e+12
mVAR
|
6.3
GVAR
|
6.3e+12
mVAR
|
6.4
GVAR
|
6.4e+12
mVAR
|
6.5
GVAR
|
6.5e+12
mVAR
|
6.6
GVAR
|
6.6e+12
mVAR
|
6.7
GVAR
|
6.7e+12
mVAR
|
6.8
GVAR
|
6.8e+12
mVAR
|
6.9
GVAR
|
6.9e+12
mVAR
|
7
GVAR
|
7e+12
mVAR
|
7.1
GVAR
|
7.1e+12
mVAR
|
7.2
GVAR
|
7.2e+12
mVAR
|
7.3
GVAR
|
7.3e+12
mVAR
|
7.4
GVAR
|
7.4e+12
mVAR
|
7.5
GVAR
|
7.5e+12
mVAR
|
7.6
GVAR
|
7.6e+12
mVAR
|
7.7
GVAR
|
7.7e+12
mVAR
|
7.8
GVAR
|
7.8e+12
mVAR
|
7.9
GVAR
|
7.9e+12
mVAR
|
8
GVAR
|
8e+12
mVAR
|
8.1
GVAR
|
8.1e+12
mVAR
|
8.2
GVAR
|
8.2e+12
mVAR
|
8.3
GVAR
|
8.3e+12
mVAR
|
8.4
GVAR
|
8.4e+12
mVAR
|
8.5
GVAR
|
8.5e+12
mVAR
|
8.6
GVAR
|
8.6e+12
mVAR
|
8.7
GVAR
|
8.7e+12
mVAR
|
8.8
GVAR
|
8.8e+12
mVAR
|
8.9
GVAR
|
8.9e+12
mVAR
|
9
GVAR
|
9e+12
mVAR
|
9.1
GVAR
|
9.1e+12
mVAR
|
9.2
GVAR
|
9.2e+12
mVAR
|
9.3
GVAR
|
9.3e+12
mVAR
|
9.4
GVAR
|
9.4e+12
mVAR
|
9.5
GVAR
|
9.5e+12
mVAR
|
9.6
GVAR
|
9.6e+12
mVAR
|
9.7
GVAR
|
9.7e+12
mVAR
|
9.8
GVAR
|
9.8e+12
mVAR
|
9.9
GVAR
|
9.9e+12
mVAR
|
10
GVAR
|
1e+13
mVAR
|
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