Sensored insulation plug with detection contact

Sensored insulation plug for being inserted into a rear cavity of a medium voltage or high-voltage separable connector in a power distribution network of a national grid, and operable to insulate a connection element of the separable connector on an elevated voltage and to sense the elevated voltage,

• the sensored insulation plug comprising
• a) a plug body formed by a solidified insulating material,
• b) an externally accessible detection contact,
• c) a primary capacitor, operable as a high-voltage capacitor in a sensing voltage divider for sensing the elevated voltage, the primary capacitor having
• i) a high-voltage electrode for direct electrical connection to the elevated voltage;
• ii) a sensing electrode of a tubular shape, embedded in the plug body;
• and
• iii) a dielectric formed by a first portion of the insulating material arranged between the sensing electrode and the high-voltage electrode, and
• d) a testpoint capacitor, operable as a high-voltage capacitor in a detection voltage divider for detecting the elevated voltage and comprising
• i) the high-voltage electrode;
• ii) a testpoint electrode, embedded in the plug body and electrically connected to the detection contact;
• and
• iii) a dielectric formed by a second portion of the insulating material arranged between the testpoint electrode and the high-voltage electrode, and further comprising
• a signal wire electrically connected to the sensing electrode, the signal wire having an excess wire portion arranged outside the plug body, and
• a wire holder, externally attached to the plug body or to the detection contact, for holding the excess wire portion in fixed spatial relation to the plug body.

Sensored insulation plug for being inserted into a rear cavity of a medium voltage or high-voltage separable connector in a power distribution network of a national grid, and operable to insulate a connection element of the separable connector on an elevated voltage and to sense the elevated voltage,

• the sensored insulation plug comprising
• a) a plug body formed by a solidified insulating material,
• b) an externally accessible detection contact,
• c) a primary capacitor, operable as a high-voltage capacitor in a sensing voltage divider for sensing the elevated voltage, the primary capacitor having
• i) a high-voltage electrode for direct electrical connection to the elevated voltage;
• ii) a sensing electrode of a tubular shape, embedded in the plug body;
• and
• iii) a dielectric formed by a first portion of the insulating material arranged between the sensing electrode and the high-voltage electrode, and
• d) a testpoint capacitor, operable as a high-voltage capacitor in a detection voltage divider for detecting the elevated voltage and comprising
• i) the high-voltage electrode;
• ii) a testpoint electrode, embedded in the plug body and electrically connected to the detection contact;
• and
• iii) a dielectric formed by a second portion of the insulating material arranged between the testpoint electrode and the high-voltage electrode, wherein the sensored insulation plug comprises an electrically conductive detection contact cover comprising a metallic portion, wherein the metallic portion or the plug body or the detection contact comprises a magnet, and wherein the detection contact cover is attached to the plug body by the magnet.