A system for locating a ground fault in a high resistance grounded, HRG, power distribution system, the system comprising: an HRG pulsing system comprising: a ground fault sensor configured to detect a ground fault; a pulsing contactor configured to introduce a pulsing current into the HRG power distribution system; and a controller configured to automatically control the pulsing contactor to introduce the pulsing current into the HRG power distribution system in response to a ground fault detection by the ground fault sensor; a plurality of current sensors (66, 68) adapted to monitor three-phase current signals present on conductors (18, 20, 22) of the HRG power distribution system, wherein the plurality of current sensors (66, 68) are positioned on a number of distribution networks (24, 26) included in the HRG power distribution system and at a protection device (70, 72) included on each respective distribution network (24, 26); and a processor (74, 76) associated with each protection device (70, 72) and operably connected to the current sensors (66, 68) thereat to receive signals from the current sensors (66, 68) for identifying a location of a ground fault in the HRG power distribution system; wherein the controller of the HRG pulsing system comprises: a pulsing means configured to control the pulsing contactor to introduce the pulsing current into the HRG power distribution system in response to a ground fault detection by the ground fault sensor; the system being characterized by the controller further comprising a reset timer configured to de-energize the pulsing means a predetermined time after the pulsing means controls the pulsing contactor to introduce the pulsing current into the HRG power distribution system. an HRG pulsing system comprising: a ground fault sensor configured to detect a ground fault; a pulsing contactor configured to introduce a pulsing current into the HRG power distribution system; and a controller configured to automatically control the pulsing contactor to introduce the pulsing current into the HRG power distribution system in response to a ground fault detection by the ground fault sensor; a ground fault sensor configured to detect a ground fault; a pulsing contactor configured to introduce a pulsing current into the HRG power distribution system; and a controller configured to automatically control the pulsing contactor to introduce the pulsing current into the HRG power distribution system in response to a ground fault detection by the ground fault sensor; a plurality of current sensors (66, 68) adapted to monitor three-phase current signals present on conductors (18, 20, 22) of the HRG power distribution system, wherein the plurality of current sensors (66, 68) are positioned on a number of distribution networks (24, 26) included in the HRG power distribution system and at a protection device (70, 72) included on each respective distribution network (24, 26); and a processor (74, 76) associated with each protection device (70, 72) and operably connected to the current sensors (66, 68) thereat to receive signals from the current sensors (66, 68) for identifying a location of a ground fault in the HRG power distribution system; wherein the controller of the HRG pulsing system comprises: a pulsing means configured to control the pulsing contactor to introduce the pulsing current into the HRG power distribution system in response to a ground fault detection by the ground fault sensor; the system being characterized by the controller further comprising a reset timer configured to de-energize the pulsing means a predetermined time after the pulsing means controls the pulsing contactor to introduce the pulsing current into the HRG power distribution system. a pulsing means configured to control the pulsing contactor to introduce the pulsing current into the HRG power distribution system in response to a ground fault detection by the ground fault sensor; the system being characterized by the controller further comprising a reset timer configured to de-energize the pulsing means a predetermined time after the pulsing means controls the pulsing contactor to introduce the pulsing current into the HRG power distribution system.