General Electric Company

Anik Roy Trudel

Mariana Barbulescu

Yong Ng Tong

A fault gas alarm system is disclosed. In one embodiment, the fault gas alarm system includes: a gas sensor configured to fluidly connect with an oil valve in an oil-filled vacuum-type on-load tap changer (OLTC), the gas sensor for monitoring a gas level in an oil within the oil valve; and a bi-level alarm system electrically connected with the gas sensor, the bi-level alarm system including a visual alarm indicator configured to provide a visual alarm in response to receiving an indication the gas level in the oil exceeds a threshold.

Fault gas alarm system

A heat transfer element temperature variation system is disclosed. In one embodiment, the system includes: a heat transfer element configured to thermally couple to an insulating fluid within an electrical device; an ambient temperature sensor; and a control system coupled to the heat transfer element and the ambient temperature sensor, the control system for instructing the heat transfer element to adjust a temperature of the insulating fluid within the electrical device based upon a temperature indicator from the ambient temperature sensor.

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Montreal, Canada

Anik Roy Trudel