Choose a Measurement
Select a measurement and convert between different units
Single conversion
To convert from Volt-Ampere Reactive (VAR) to Megavolt-Ampere Reactive (MVAR), use the following formula:
Let's convert 5 Volt-Ampere Reactive (VAR) to Megavolt-Ampere Reactive (MVAR).
Using the formula:
Therefore, 5 Volt-Ampere Reactive (VAR) is equal to Megavolt-Ampere Reactive (MVAR).
Here are some quick reference conversions from Volt-Ampere Reactive (VAR) to Megavolt-Ampere Reactive (MVAR):
| Volt-Amperes Reactive | Megavolt-Amperes Reactive |
|---|---|
| 0.000001 VAR | MVAR |
| 0.001 VAR | MVAR |
| 0.1 VAR | MVAR |
| 1 VAR | MVAR |
| 2 VAR | MVAR |
| 3 VAR | MVAR |
| 4 VAR | MVAR |
| 5 VAR | MVAR |
| 6 VAR | MVAR |
| 7 VAR | MVAR |
| 8 VAR | MVAR |
| 9 VAR | MVAR |
| 10 VAR | MVAR |
| 20 VAR | MVAR |
| 30 VAR | MVAR |
| 40 VAR | MVAR |
| 50 VAR | MVAR |
| 100 VAR | MVAR |
| 1000 VAR | MVAR |
| 10000 VAR | MVAR |
For all Reactive Power converters, choose units using the From/To dropdowns above.
A Volt-Ampere Reactive (VAR) is the unit used to measure reactive power in an electrical system.
Think of it as the "helper" power that supports the "real" power (Watts) in doing work.
Volt-Ampere Reactive (VAR) is a crucial metric for optimizing a power system's power factor.
A high VAR reading signifies a large amount of reactive power, often leading to an inefficient power factor and higher energy costs.
By implementing power factor correction solutions, such as capacitor banks, businesses can effectively reduce their VAR demand.
This not only improves overall electrical efficiency and lowers utility bills but also frees up system capacity, allowing you to run more equipment without overloading your system.
This makes VAR management essential for any commercial or industrial facility looking to optimize efficiency and reduce costs.
In AC power systems, these three units are related and form the "power triangle":
Understanding this relationship is essential for correctly sizing critical electrical infrastructure like generators, transformers, and uninterruptible power supplies (UPS).
The system must be able to supply both the real power (W) and the reactive power (VAR).
Reactive power, measured in VARs, is primarily produced by inductive loads connected to an electrical grid.
Common sources include electric motors, transformers, and industrial machinery, all of which require reactive power to establish their magnetic fields. While this power is necessary for the equipment to function, it does not contribute to useful work.
Excessive VARs on the system increase the total current flow. While necessary, too much reactive power is inefficient and can lead to problems like higher energy losses, voltage drops, and potential utility penalties, reducing the overall efficiency of your electrical network.
A Megavolt-Ampere Reactive (MVAR) is a unit used to measure reactive power in an electrical system.
Think of it as a measurement for a type of "unproductive" power that doesn't do real work, but is still essential for the system to operate.
One MVAR is equal to one million volt-amperes reactive (VAR).
MVAR is a key measurement used in power factor correction. Here's a simple breakdown:
Essential but "Unproductive": Some equipment, like motors and transformers, need reactive power (measured in MVAR) to create magnetic fields just to run.
The Problem: This reactive power doesn't do any useful work (like turning the motor's shaft). High levels of MVAR in a system lead to a "poor power factor."
Why It's Bad: A poor power factor is inefficient. It causes wasted energy, higher electricity bills, and extra strain on the electrical grid.
The Solution: Utility companies and large facilities install equipment (like capacitor banks) to balance these MVARs. The goal is to get the power factor as close to 1.0 (or 100%) as possible, which is the most efficient state.
It's easy to confuse reactive power (MVAR) with "real" power, which is measured in Megawatts (MW).
Megawatts (MW): This is the "real" or "active" power. It's the power that does useful work, like lighting a bulb, heating a room, or turning a motor's shaft.
Megavolt-Amperes Reactive (MVAR): This is the "reactive" or "unproductive" power. It doesn't do useful work, but it's still essential for creating the magnetic and electric fields that allow many types of AC equipment to operate.
Beyond efficiency, balancing MVARs is fundamental for maintaining voltage stability across the electrical grid. Think of it as managing "pressure" in the system.
Too Few MVARs: An inadequate supply of reactive power causes the system's voltage to drop. This can lead to "voltage sag" (like dimming lights), equipment malfunction, or even blackouts.
Too Many MVARs: An excess of reactive power causes "over-voltage." This high-voltage condition can damage sensitive electronics and equipment.
Grid operators constantly manage MVARs to keep the voltage stable and ensure you receive reliable electricity.