System for detecting and indicating partial discharges and voltage in high-voltage electric power distribution systems which include electrical equipment, said system comprising: a) at least one capacitive voltage tap integrated in said electrical equipment and adapted to capture signals from said power distribution system; b) at least a first circuit integrated in said electrical equipment, electrically connected to the capacitive voltage tap and adapted for measuring/detecting and indicating the presence/absence of voltage in said power distribution system; and c) at least a second circuit adapted for detecting and indicating partial discharges electrically connected to the capacitive voltage tap; wherein the capacitive voltage tap provides the voltage signal for the first circuit and for the second circuit, such that starting from this voltage signal, the system indicates the presence or absence of voltage and the presence or absence of partial discharges; characterized in that the capacitive voltage tap is integrated in at least one bushing of the electrical equipment; in that the first circuit comprises at least one voltage measuring element, which is galvanically insulated from the capacitive voltage tap, and at least one means for detecting and indicating voltage signal; in that the second circuit is electrically connected to the first circuit by being connected to the voltage measuring element or to the means for detecting and indicating voltage signal; and in that the second circuit for detecting and indicating partial discharges comprises at least one signal amplifying/rectifying element, at least one peak detector element and/or at least one integrator element. a) at least one capacitive voltage tap integrated in said electrical equipment and adapted to capture signals from said power distribution system; b) at least a first circuit integrated in said electrical equipment, electrically connected to the capacitive voltage tap and adapted for measuring/detecting and indicating the presence/absence of voltage in said power distribution system; and c) at least a second circuit adapted for detecting and indicating partial discharges electrically connected to the capacitive voltage tap; wherein the capacitive voltage tap provides the voltage signal for the first circuit and for the second circuit, such that starting from this voltage signal, the system indicates the presence or absence of voltage and the presence or absence of partial discharges; characterized in that the capacitive voltage tap is integrated in at least one bushing of the electrical equipment; in that the first circuit comprises at least one voltage measuring element, which is galvanically insulated from the capacitive voltage tap, and at least one means for detecting and indicating voltage signal; in that the second circuit is electrically connected to the first circuit by being connected to the voltage measuring element or to the means for detecting and indicating voltage signal; and in that the second circuit for detecting and indicating partial discharges comprises at least one signal amplifying/rectifying element, at least one peak detector element and/or at least one integrator element. wherein the capacitive voltage tap provides the voltage signal for the first circuit and for the second circuit, such that starting from this voltage signal, the system indicates the presence or absence of voltage and the presence or absence of partial discharges; characterized in that the capacitive voltage tap is integrated in at least one bushing of the electrical equipment; in that the first circuit comprises at least one voltage measuring element, which is galvanically insulated from the capacitive voltage tap, and at least one means for detecting and indicating voltage signal; in that the second circuit is electrically connected to the first circuit by being connected to the voltage measuring element or to the means for detecting and indicating voltage signal; and in that the second circuit for detecting and indicating partial discharges comprises at least one signal amplifying/rectifying element, at least one peak detector element and/or at least one integrator element.