Invention Grant
US07915766B2 Preventive maintenance tapping and duty cycle monitor for voltage regulator
有权
电压调节器的预防性维护点火和占空比监控
- Patent Title: Preventive maintenance tapping and duty cycle monitor for voltage regulator
- Patent Title (中): 电压调节器的预防性维护点火和占空比监控
-
Application No.: US12256629Application Date: 2008-10-23
-
Publication No.: US07915766B2Publication Date: 2011-03-29
- Inventor: Augusto D. Hernandez , Fred J. Rapant , Richard J. Kaluzny , Donald A. Down
- Applicant: Augusto D. Hernandez , Augusto D. Hernandez, Jr., legal representative , Fred J. Rapant , Richard J. Kaluzny , Donald A. Down
- Applicant Address: US TX Houston
- Assignee: Cooper Technologies Company
- Current Assignee: Cooper Technologies Company
- Current Assignee Address: US TX Houston
- Agency: Fish & Richardson P.C.
- Main IPC: H01H9/30
- IPC: H01H9/30 ; H01H1/60
Abstract:
The life of load tap changer contacts is monitored by detecting an arcing event; identifying arcing surfaces involved in the arcing event; calculating a per-unit loss of life for the identified arcing surfaces as a result of the arcing event; updating estimates of cumulative erosion for the arcing surfaces; comparing the updated estimates of cumulative erosion to a first threshold value; and signaling for action when at least one of the updated estimates of cumulative erosion exceeds the first threshold value.
Public/Granted literature
- US20090063063A1 Preventive Maintenance Tapping and Duty Cycle Monitor for Voltage Regulator Public/Granted day:2009-03-05
Information query
