EngiRef / Electrical Engineering Formula
Reactive Power
Reactive Power: Power stored and returned by reactive elements. An AC Circuits formula in electrical engineering. Variables Q, V, I and φ, each with SI and…
AC Circuits
Specification
- Name
- Reactive Power
- Discipline
- electrical
- Category
- AC Circuits
- LaTeX
- Q = VI\sin(\phi)
- Description
- Power stored and returned by reactive elements
- Can solve for
- Q, V, I
- Tags
- reactive, power, var, phase
Variables
| Symbol | Name | Unit | Si Unit |
|---|---|---|---|
| Q | Reactive Power | VAR | VAR |
| V | RMS Voltage | V | V |
| I | RMS Current | A | A |
| φ | Phase Angle | ° | rad |
Common questions
- What is the Reactive Power formula?
- Power stored and returned by reactive elements. It sits under AC Circuits, Electrical engineering in the EngiRef reference.
- What do the symbols in the Reactive Power formula mean?
- In Reactive Power, Q is reactive power in VAR; V is rms voltage in V; I is rms current in A; φ is phase angle in °.