General Electric Company

Marlowe Cameron Bjorklund

James Jonathan Grant

James Jun Xu

James Wilson Clark

David Lee Rogers

Ravindra Annigeri

Leigh-Ann Darden Heuser

Reginald Wayne Kemp

Patrick William Anglin

A system for detecting a gas leak in a generator includes a source of carbon dioxide gas, and a subsystem for introducing the carbon dioxide gas into the generator. An infrared imaging device is adapted to communicate with a notification device to display an image of at least a portion of the generator and the carbon dioxide gas. The infrared imaging device is a cooled detector and a filter with a spectral response between about 3 &#x3bc;m and about 5 &#x3bc;m. At least one of the detector and the filter is cooled to between about &#x2212;80&#xb0; C. and about &#x2212;200&#xb0; C. The gas leak will be indicated on the notification device.

System for detecting coolant leaks in generators

A system and method for detecting a gas leak in a generator is provided. The system includes a source of a non-corrosive tracer gas, and a subsystem for introducing the non-corrosive tracer gas into the hydrogen cooled generator. An infrared imaging device is adapted to communicate with a notification device to display an image of at least a portion of the hydrogen cooled generator and the non-corrosive tracer gas. The infrared imaging device includes a cooled detector, and a filter with a spectral response between about 3 &#x3bc;m and about 5 &#x3bc;m. The detector and/or the filter is cooled to between about &#x2212;80&#xb0; C. and about &#x2212;200&#xb0; C. The gas leak will be indicated on the notification device. The generator may hydrogen cooled, and on-line or on-grid.

Method for detecting coolant leaks in generators

Disclosed is a solution to automate a seal oil float trap by-pass for a hydrogen cooled generator. An automated by-pass system is coupled to an existing manual by-pass system for a float trap for a hydrogen cooled generator. The automated by-pass system includes at least one solenoid valve and a controller that controls opening and closing of the solenoid valve. The automated by-pass system can also include manual valves, orifices and limit switches. The controller activates the solenoid valve to allow the seal oil to drain. The controller can also provide a notification alarm that the hydrogen cooled generator is being purged.

Automated seal oil by-pass system for hydrogen cooled generators

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Daphne, AL, United States of America

Marlowe Cameron Bjorklund