What common purpose do capacitors serve across distribution lines?

Capacitors serve a critical role across distribution lines primarily through efficiency improvement. Their primary function is to compensate for reactive power in the system, which helps in optimizing the overall power factor of the electrical distribution system. By correcting the power factor, capacitors reduce the demand for reactive power, leading to more efficient use of electrical energy. This improved efficiency translates to lower energy losses within the distribution lines, ultimately enhancing the capacity of the system to deliver power effectively.

When capacitance is introduced into the system, it helps reduce the amount of current flowing through the lines for the same amount of active power, which reduces losses and improves the system's overall operation. This makes capacitors an essential component for electricity providers in maintaining an efficient grid and ensuring reliable power delivery to consumers.