Schneider Electric Industries Sas

Venanzio Ferraro

Diego Alberto

Massimo Secci

Maxime Durand

Stephane Furlano

Sebastien Brunet

Somesha Somegowda

Sébastien Chabanet

Stéphane Furlano

Sébastien Brunet

Monitoring the condition of an electrical apparatus based on an estimated temperature of a conductor in the electrical apparatus, including receiving a measured temperature value from a first thermal sensor disposed in the electrical apparatus and configured to sense temperature at a location separated from the conductor by an insulator, generating an estimated conductor temperature value based on applying a non-linear model to the measured temperature value, and monitoring the condition of the electrical apparatus based on the estimated conductor temperature. The non-linear model may include a Hammerstein Wiener model.

Electrical apparatus thermal monitoring

Method for monitoring for partial discharges in an electrical installation comprising at least one electrical cubicle, the electrical cubicle comprising at least one item of medium-voltage or high-voltage electrical equipment.

System for monitoring for partial discharges in an item of electrical equipment via gaseous emissions

A capacitive voltage sensor apparatus including an electrically insulating body, an elongated conductor embedded at least partially in the insulating body, a first floating sensor electrode embedded in the insulating body and capacitively coupled to the elongated conductor and configured to provide a first output representing the voltage of the elongated conductor, and a second floating sensor electrode embedded in the insulating body and capacitively coupled to the elongated conductor and configured both to provide a second output representing the voltage of the elongated conductor and to shield the first floating sensor electrode from electric fields that may originate from sources external to the capacitive voltage sensor apparatus. A capacitor may be embedded in the insulating body and electrically connected with the first electrical sensor to form a capacitive voltage divider that provides the first output. The first output may provide a precision LPVT output and the second output may provide an output for a voltage presence indication system or voltage detection indication system.

Dual-voltage capacitive sensor

The design of a functional measuring group for a medium-voltage substation has been optimized to make the product compact and robust in terms of internal arc, and also to favour complete accessibility to the measurement sensors. In particular, the voltage sensors are located in a vertical plane directly accessible via the front panel of the group, and the current sensors are located in the rear housing of the group, being directly accessible via the top of the group. In addition to being placed in an insulated compartment, the voltage sensors are insulated and shielded, and their connection terminals are designed for connection by cable with a flat interface.

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Grenoble, France

Venanzio Ferraro