2024 Stator wedge tightness test

Stator wedge tightness test

Author: lqvg

August undefined, 2024

WebOur diagnostic reporting process for utility generators and turbines includes a wide range of analyses, including: Bump Testing Rotor Repair Stator Repair Doble® Power Factor and Tip-Up Testing EL CID Testing Failure Analysis Hi-Potential Testing Insulation Resistance Testing Wedge Tightness Testing Winding Resistance Testing AC Impedance Testing WebSep 1, 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 …

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WebRobotic inspection without rotor removal is widely recommended by OEMs, and these devices can perform rather well in an inspection of stator core areas. They can also do wedge tightness test and ElCid core insulation integrity test. However, a robotic inspection is expensive and may indicate the need to remove the rotor anyway. 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 identifying the location and severity of loose stator wedges in order to plan rewedging or other necessary repairs. Rotor Core Shorted Turn Detection fpl notify land owner of utility box

Computerized hand held tightness testing of generator stator wedges …

WebThe Iris Stator Wedge Analyzer (SWA) Instrument can be used to test most types of generators and motor stator slot wedges, including those with ripple springs, to easily and … WebStator wedge inspection Although Equotip Leeb devices are typically utilized for material hardness testing, there are num-ber of additional application possibilities especially for … WebWedge-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. blades in the dark landing page

Iris Power Stator Wedge Analyzer (SWA) - Tectra

Stator wedge inspection

WebFeb 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 … 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, gaskets, corrugated plates, slot wedges, and other parts, and the structure of the slot wedges is shown in Figure 5. Figure 5. fpl-nrthWebJun 25, 2024 · Stator wedge tightness inspection Stator core tightness inspection Partial Discharge Probe test Dissipation factor tangent delta test Contact coefficient test IR/PI … blades in the dark leviathan

"WebAug 17, 2024 · Stator wedge tightness inspection is one of the most important periodic inspections carried out on required for large-capacity generators. The traditional wedge … " - Stator wedge tightness test

Stator wedge tightness test

WebIf the wedges are loose, this may allow stator coils or bars to vibrate in the slot, leading to insulation abrasion and a ground fault. Electronic measurement and storage enables easy and accurate trending of wedge tightness data from test to test. Stator wedges are traditionally tested for tightness by tapping them WebMar 23, 2016 · Stator wedge tightness testing (WTT) A loose wedge in the stator will mean movement in the coils, which can lead to mechanical abrasion of the groundwall …

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WebStator low flux magnetic test Generator retaining ring inspection scanner (offline) GE’s generator retaining ring scanner is a robotic inspection tool engineered for detecting … WebWe are knowledgeable of potential turbine-generator issues through significant fleet experience and have developed an enormous backlog of field processes, procedures, tooling and trained personnel to quickly address them. CloseMore Register Our Generator Service Capabilities in Detail INSPECTION AND TESTING ROBOTIC INSPECTIONS SPECIALTY …

WebStator wedge inspection Although Equotip Leeb devices are typically utilized for material hardness testing, there are num- ... Checking the tightness of the stator wedges is an extremely important task when it comes to the initial commissioning of a gen-erator, as well as maintaining the efficacy of the system throughout its life cycle. ... WebAug 13, 2024 · Iris Power Stator Wedge Analyzer (SWA) Instrument can be used to test most types of generators and motor stator slot wedges, including those with ripple springs, to easily and effectively assess the tightness of stator wedges. A hand-held probe automatically taps and measures each wedge approximately 30 times in three seconds.

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 … WebOne of the difficulties in testing wedge tightness without removal of the rotor is that there is as little as 3.81 cm (1.5 in.) of clearance between the stator bore and the retainer ring...

WebGenSPIDER® can accurately ascertain wedge tightness across a full range: very tight - moderate - very loose. The tapping test uses original vibration analysis technology to …

WebAn undetected loose wedge condition can result in excessive vibration of the stator coils and eventually lead to a catastrophic failure of the generator. 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 takes to manually test the wedges. blades in the dark lightning hookWebof stator wedge tightness WTD acts as a sophisticated electronic ear that quickly and reliably provides an electronic map of wedge tightness It can be used to test all types of … blades in the dark john harperWebThe Iris Stator Wedge Analyzer (SWA) Instrument can be used to test most types of generators and motor stator slot wedges, including those with ripple springs, to easily and effectively assess the tightness of stator wedges. A hand-held probe automatically taps and measures each wedge approximately 30 times in three seconds. blades in the dark long term projectWebTwo operational modes: Standard and Advanced In Standard test mode, tightness of each wedge is compared to predefined values while in Advanced mode, the tightness of each … blades in the dark limited effectWebThe traditional wedge tightness inspection method enforces inspectors to enter the narrow and uncomfortable inner space of a stator. As an al-ternative, a wedge tightness inspection mobile robot is developed. This robot has a robotic arm with a wedge tightness test module. A visual navigation system using two cameras is proposed. The proposed sys- fplo downloadWebJan 1, 1994 · 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 … blades in the dark magpiesWebOct 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 takes to manually test the wedges. Authors: Fischer, M + Show Author Affiliations Publication Date: Sun Oct 01 00:00:00 EDT 1995 OSTI Identifier: 103695 Report Number (s): CONF … fpl office in daytona