Distinguishing Between Phase to Ground, Phase to Phase and Cross-Coupled PD Signals in Stator Windings
...by the phase to phase voltage. In addition, PD occurring in one phase often induces a “crosscoupled” signal into another phase, presumably due
...by the phase to phase voltage. In addition, PD occurring in one phase often induces a “crosscoupled” signal into another phase, presumably due
Company: Middle Eastern petroleum company Machine Description: 15.6 MW, 13.8 kV BUS EMCs (80 pF sensors) CASE STUDY: Contamination In Critical ...
Company: Western US Utility Machine Description: 206 MW, 15 kV, 3600 rpm, Combustion Turbine Generator BUS EMCs (80 pF sensors) CASE STUDY: Damage ...
...two (2) generators MG Set Serviced on June 2017. – Commutator was Turn-And-Undercut on site. Commutator was in such a bad condition ...
...Stator insulations systems, and one for asphalt-mica and mica foliwn Stator insulation systems. Their stated insulation damage relationships are based on Ontario ...
Introduction Over time, various methods for producing stator insulation for large rotating machines have evolved. Within the industry there are basically two types of insulati
ABSTRACT It has long been known that comparing the partial discharge results obtained from a single machine is a valuable tool enabling companies
...decay. High-PD-activity HydroTrac-Monitoring-System-and-VibroSystM-ZOOM Reference: Excerpt from article “Using On-Line Monitors to Improve Performance and Plan Corrective Actions”, by M. Walden and J. Hamill” ...
IEEE Transactions on Dielectrics and Electrical Insulation Vol. 22, No. 6; December 2015 ABSTRACT On-line partial discharge (PD) monitoring is widely used to ...
Abstract: In large machines, the possible failures are numerous and complex events. Furthermore, monitoring a multitude of measurement points leads to an accumulation of a ...