Back to results
US 12,249,455 B2Granted
High voltage instrument transformer and method for partial discharge recognition
AssigneeHSP Hochspannungsgeräte GmbH
InventorFabrizio Negri
Life of this patent
Estimating the term…
Abstract
A high voltage instrument transformer includes a measuring assembly and isolator, with at least one sensor for partial discharge measurements. A method for partial discharge recognition in high voltage instrument transformers includes a detection of a signal from at least one sensor for partial discharge measurements, particularly a Transient Earth Voltage sensor.
Claims16
A high voltage instrument transformer, comprising:
- an isolator,
- a vessel attached to the isolator,
- a measuring assembly enclosed in the vessel,
- a ground screen arranged enclosed by a passage between the isolator and the vessel, and
- at least one sensor for partial discharge measurements arranged on or directly arranged on the ground screen.
2 more elements
Dependencies are inferred from the claim text.