Reactive Poweris the power needed to keep the electric current flowing, and helps maintain voltage levels that are needed for system stability. In the same way that we can think of real energy being stored in a battery, it is useful to think of reactive power as being stored within the electric field of a capacitor or the. We can use an inverter for reactive power generation. To deliver reactive power only, the voltage source connected to the main grid through a reactance has to. Understanding how a power inverter generates reactive power is crucial for optimizing the performance and stability of electrical systems. By managing the phase.