Shunt capacitor bank

Claim 1

IN A SHUNT CAPACITOR BANK HAVING A PLURALITY OF CAPACITOR UNITS EACH OF WHICH IS PROVIDED WITH A METAL TANK ENCLOSING CAPACITOR SECTIONS AND HAVING A PAIR OF INSULATING BUSHINGS ON SAID TANK EACH OF WHICH HAS CONDUCTOR MEANS EXTENDING THERETHROUGH CONNECTED TO SAID CAPACITOR SECTIONS, THE IMPROVEMENT COMPRISING MEANS CONNECTED TO ONE OF SAID CONDUCTOR MEANS OF ALL OF SAID CAPACITOR UNITS FOR CONNECTING SAID CAPACITOR UNITS IN Y AND FOR GROUNDING THE NEUTRAL THEREOF, A METALLIC FRAMEWORK SUPPORTING AND ELECTRICALLY COMMONED WITH SAID TANKS, AND INSULATORS FOR ISOLATING SAID METALLIC FRAMEWORK FROM GROUND, WHEREBY THE CAPACITANCES BETWEEN SAID ONE CONDUCTOR MEANS AND SAID TANK OF ALL OF SAID UNITS ARE IN PARALLEL AND SAID PARALLEL CAPACITANCES ARE IN SERIES WITH THE CAPACITANCE BETWEEN SAID TANK AND THE OTHER CONDUCTOR MEANS OF EACH SAID UNIT TO PROVIDE A PATH TO GROUND FOR AN IMPULSE APPEARING ON SAID OTHER CONDUCTOR MEANS AND THE IMPULSE INSULATION LEVEL OF SAID CAPACITOR BANK IS RAISED.