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:
Dec. 25, 2018
Filed:
May. 14, 2015
General Electric Company, Schenectady, NY (US);
General Electric Company, Schenectady, NY (US);
Abstract
A system () is presented. The system includes a fluid lifting device () located inside a well (), and comprising an electrical motor (), a three phase cable () for coupling the fluid lifting device to a power source (), at least one high sensitivity differential current transformer () for generating imbalance signals () representative of an imbalance current in at least one of the electrical motor and the three phase cable, wherein the at least one high sensitivity differential current transformer is disposed such that the at least one high sensitivity differential current transformer surrounds at least a portion of the three phase cable, and a processing subsystem () for monitoring the health of at least one of the fluid lifting device and the three phase cable based on the imbalance signals.