The basic principle of reactive power compensation is as follows:
The power output of the power grid includes two parts: one is active power: directly consuming electrical energy, converting it into mechanical energy, thermal energy, chemical energy, or acoustic energy, and using these energies to do work. This part of power is called active power; The second is reactive power: it consumes electrical energy, but only converts it into another form of energy. This energy is a necessary condition for electrical equipment to do work, and it is periodically converted with electrical energy in the power grid. This part of power is called reactive power (such as the electrical energy occupied by electromagnetic components to establish a magnetic field, and the electrical energy occupied by capacitors to establish an electric field).
The above is the basic principle of reactive power compensation.