USoft Reactive Power Converter
Convert between all reactive power units instantly with simultaneous results display
Converter Settings
About Reactive Power
Reactive power (measured in volt-ampere reactive - VAR) is the power that flows back and forth between inductive or capacitive components and the power source.
It's essential for maintaining voltage levels and enabling the operation of transformers, motors, and other electromagnetic devices.
Conversion Basis:
1 GVAR = 1000 MVAR = 1,000,000 kVAR = 1,000,000,000 VAR = 1,000,000,000,000 mVAR
Millivolt-Ampere Reactive
Volt-Ampere Reactive
Kilovolt-Ampere Reactive
Megavolt-Ampere Reactive
Gigavolt-Ampere Reactive
Reactive Power Reference Guide
What is Reactive Power?
Reactive power is the portion of electricity that establishes and sustains the electric and magnetic fields in AC equipment. Unlike active power (kW) which performs actual work, reactive power (kVAR) supports the voltages that must be controlled for system reliability.
Power Factor Importance
Reactive power is crucial for maintaining voltage levels to deliver active power through transmission lines. Motor loads and other equipment require reactive power to produce magnetic fields for operation. Without sufficient reactive power, voltages collapse and the system becomes unstable.
Practical Applications
Reactive power management is essential in power systems for voltage control, reducing losses, and increasing transmission capacity. Capacitor banks and synchronous condensers are used to inject reactive power and maintain power factor close to unity for efficient power transmission.
Conversion Reference Table
| Unit | Symbol | Equivalent in VAR | Common Applications |
|---|---|---|---|
| Millivolt-Ampere Reactive | mVAR | 0.001 VAR | Small electronics, sensors |
| Volt-Ampere Reactive | VAR | 1 VAR | Household appliances, small motors |
| Kilovolt-Ampere Reactive | kVAR | 1,000 VAR | Industrial equipment, medium motors |
| Megavolt-Ampere Reactive | MVAR | 1,000,000 VAR | Power plants, large factories |
| Gigavolt-Ampere Reactive | GVAR | 1,000,000,000 VAR | National grids, large power systems |
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