The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2026
Filed:
May. 15, 2024
Megger Instruments Ltd, Dover, GB;
Stanislaw Zurek, Canterbury, GB;
Craig Powers, Fort Collins, CO (US);
Robert Pray, Fort Collins, CO (US);
Daniel Melendy, Fort Collins, CO (US);
Daniel Rogge, Fort Collins, CO (US);
Leslie Reed, Windsor, CO (US);
Michael J. Ewer, Fort Collins, CO (US);
Thomas Kreshon, Fort Collins, CO (US);
Megger Instruments Ltd, Dover, GB;
Abstract
A method of operation and apparatus is provided for performing a surge test of electrical insulation of at least part of a winding under test, the winding being a winding of an electrical machine. The apparatus comprises a test device having a surge generator, at least two test connections for connecting to the test device, and a damping device comprising a resistance. The damping device is connected across the part of the winding under test, the test connections are arranged to connect a parallel combination of the damping device and the part of the winding under test to the test device and a voltage impulse is generated using the surge generator.