Stator wedge tightness test
WebThis paper describes a unique computerized system that can quantitatively measure the tightness of individual stator wedges in the same amount of time that it takes to manually test the wedges. Hydrogenerator stator core maintenance in accord with the results of instrument monitoring of the joints Webthe Stator Core Loop Test. It avoids the testing problems of set-up and safety usually associated with the high excitation of the stator core loop test, yet provides an accurate indication of lamination damage. • AC or DC Hipot Testing – typically performed at “suitability for service” levels (or unit voltage x 1.25 = kVAC test voltage ...
Stator wedge tightness test
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WebLoose stator wedges can lead to coil vibration and erosion of stator insulation. Iris Power stator wedge tightness testing provides a consistent and quantitative means of … WebIris Power Stator Wedge Analyzer (SWA) instrument that effectively assesses the tightness of stator wedges. The electronic stator wedge tightness analyzer is a faster, accurate and reliable replacement to traditional hammer tapping methods for detecting loose wedges. … Identification of Geometry and Dynamic Properties of Hydro Generators … About Iris Power. Iris Power was founded in 1990 and continues to be a globally … Stator endwinding vibration monitoring solutions measure the radial and … Dissipation Factor Testing - Standards Up-date: IEC 60034-27-3 June 1, 2016 Offline … Air gap is the distance between the outside diameter of the rotor and the inside … Dissipation Factor Testing - Standards Up-date: IEC 60034-27-3 June 1, 2016 Offline … About Iris Power. Iris Power, founded in 1990, offers sensors, monitors and … Advances in Interpreting On-Line Partial Discharge Test Results on Stator … Iris Power – A Qualitrol Company. IRIS Power LP 3110 American Drive …
WebOct 1, 1995 · This paper describes a unique computerized system that can quantitatively measure the tightness of individual stator wedges in the same amount of time that it … WebVisually inspect stator and rotor for defects and damage with rotor in place with a low profile of 30mm Focus on the stator core surface, stator air vents, or rotor surface Scans image while conducting wedge tightness or ELCID test Fits to the Robotic Inspection Vehicle for moving along stator slots
WebApr 24, 2008 · It is a portable tester, and easier for workers to use to judge the tightness of slot wedges than the traditional manual method. It has also been applied to test stator … WebJan 6, 2015 · Loose stator winding wedges allow the stator winding in the core slots to move because of the electromagnetic bar bounce forces and vibration. This can in turn …
WebAug 8, 2008 · The results showed that loose stator slot wedges of large generators could be detected either by their vibration frequency or by their displacement amplitude. This verified the correctness of the slot wedge loosening process …
WebAmong them, stator slot wedge tightness detection is an important part of generator fault diagnosis. The generator stator slot wedge is mainly composed of stator wire rods, … sneed last name originWebJun 25, 2024 · Stator wedge tightness inspection Stator core tightness inspection Partial Discharge Probe test Dissipation factor tangent delta test Contact coefficient test IR/PI … sneed medical spaWebElectronic wedge tightness evaluation is faster, more accurate and provides more consistent results. The Iris Power SWA instrument can be used to test most types of generator and … sneed medicalWebFeb 11, 2004 · If you hold the punch with your fingers and tap lightly on the wedge you can also do this test up-side-down so you don't have to roll the stator over. Coils should … road trip playlist youtubeWebLoose stator wedges can lead to coil vibration and erosion of stator insulation. Iris Power stator wedge tightness testing provides a consistent and quantitative means of identifying the location and severity of loose stator wedges in order to plan rewedging or other necessary repairs. Rotor Core Shorted Turn Detection sneed law firm black mountain ncWebWedge-tightness mapping, to precisely measure the stator slot wedge system for its degree of tightness within the core-iron wedge grooves. El CID (Electromagnetic Core Imperfection Detection) test, to detect problems in core insulation down to the smallest defect. Rated-flux core test, to assess the integrity of stator c ore iron. sneed manorWebStator wedge tightness can be measured manually by pressing down on the slot wedge to determine the ripple spring load. However, presently known methods require the removal of the rotor... sneed middle florence sc