Patent ID: 8115475

Claim:
An apparatus for online partial discharge testing, the apparatus comprising: a split-core radio-frequency current transformer sensor having a first portion, a second portion, and a sensor hinge operably engaged between the first portion and the second portion; an actuation subassembly comprising: an elongate first member secured to the first portion of the split-core radio-frequency current transformer sensor; a second member secured to the second portion of the split-core radio-frequency current transformer sensor and configured to be movable relative to the first member; and a third member engaged with the second member and configured to be movable relative to the first member; a biasing member configured to pivotally bias the first portion and the second portion of the split-core radio-frequency current transformer sensor toward each other relative to the sensor hinge, wherein the biasing member is secured relative to the first member; and a first strap for securing the first portion of the split-core radio-frequency current transformer sensor to the first member of the actuation subassembly; a second strap for securing the first portion of the split-core radio-frequency current transformer sensor to the first member of the actuation subassembly; and a third strap for securing the second portion of the split-core radio-frequency current transformer sensor to the second member of the actuation subassembly.