×

Method of electrically detecting on-site partial discharges in the insulating medium of an electrical power transformer and apparatus therefor

  • US 5,506,511 A
  • Filed: 09/09/1994
  • Issued: 04/09/1996
  • Est. Priority Date: 09/09/1994
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of electrically detecting on-site transient partial discharges in the insulating medium of an electrical power transformer or similar electrical equipment including plate means suspended within the tank of said transformer comprising the following steps:

  • sensing electrical signals generated by said transient partial discharges in the insulating medium by use of said plate means;

    filtering said signals to reject both direct current and 60 hertz frequencies;

    detecting the amplitude peaks of each of said signals and providing an indication of their relative magnitudes and frequency of occurrence.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×