TECHNIQUE FOR ONLINE DETECTION OF SHORTS IN FIELDS OF TURBINE GENERATOR ROTOR
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seminar projects crazy
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#1
29-01-2009, 11:34 PM


A technique for on-line detection of incipient faults in the windings of turbine - generator rotors has been developed based on the twin signal sensing method. To detect the developing shorts in any winding, two identical pulses are applied to both ends f the winding and are reflected back .Any abnormality in the winding results in the applied signals being reflected through nonsymmetrical circuits. The difference between the reflected signals are amplified and used as signature signal for further processing. This paper describes the development of power electronic circuits for generation of the twin signals and detection of the reflected signals. The design and fabrication of a lab model to test this technique is summarized along with the results of laboratory experiments. The issues involved in using the developed technique for practical applications are addressed and the limitations of the technique are summarized.
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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12345melvin12345
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#2
01-08-2010, 09:42 PM

I WANT METHOD FOR ON-LINE DETECTION OF FAULT IN ALTERNATOR.
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Georgyouseph
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#3
12-08-2010, 05:35 PM

I need a seminar and presentation report on the topic TECHNIQUE FOR ONLINE DETECTION OF SHORTS IN FIELDS OF TURBINE GENERATOR ROTOR.
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pydi raju
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#4
05-03-2011, 02:10 PM

hai i wait fuul ppt,pdfs related to this project and implimentation
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seminar project explorer
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#5
06-03-2011, 12:05 PM

Hi,
visit this thread for more details on this topic:
topicideashow-to-on-line-detection-of-shorts-in-fields-of-turbine-generator-rotor
topicideashow-to-techniques-for-online-detection-of-shorts-in-turbine-generator-rotor-full-report
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macharla kavitha
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#6
11-08-2011, 01:59 PM

I NEED MORE INFORMATION REGARDING THIS TOPIC.....PLS SEND IT TO MY MAIL ID WHICH HAVE GIVEN AS REFERENCE....
THANKYOU
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seminar addict
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#7
12-08-2011, 10:20 AM

To get more information about the topic "TECHNIQUE FOR ONLINE DETECTION OF SHORTS IN FIELDS OF TURBINE GENERATOR ROTOR " please refer the link below

topicideashow-to-technique-for-online-detection-of-shorts-in-fields-of-turbine-generator-rotor

topicideashow-to-techniques-for-online-detection-of-shorts-in-turbine-generator-rotor-full-report
topicideashow-to-on-line-detection-of-shorts-in-fields-of-turbine-generator-rotor

topicideashow-to-on-line-detection-of-shorts-in-fields-of-turbine-generator-rotor?page=2
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seminar flower
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#8
30-10-2012, 02:12 PM

TECHNIQUES FOR ONLINE DETECTION OF SHORTS IN TURBINE GENERATOR ROTOR


.pptx   TECHNIQUES FOR ONLINE.pptx (Size: 1.35 MB / Downloads: 16)



CAUSES FOR SHORTED TURNS

END-STRAP ELONGATION
FOREIGN MATERIAL CONTAMINATION
BLOCKING PROBLEMS

BLOCKING PROBLEMS

AS AGE OF UNIT INCREASES BLOCKING
PROBLEMS ALSO INCREASES

WHY DETECTION IS IMPORTANT?

ROTOR UNBALANCE
VIBRATION
HIGHER FIELD CURRENT IS REQUIRED
HIGHER TEMPERATURE WILL RESULT

TWIN SIGNAL SENSING METHOD

PRINCIPLE
COMPONENTS
HOW CAN WE DETECT SHORTS?

TESTING ON TRANSFORMER

Tested on a transformer windings with AC excitation which has facility for creating temporary short at various points.
This rotor has 4 poles and 12 slots with two concentric coils per pole. The inner concentric coil has 36 turns and the outer coil has 18 turns. Thus, each slot has 36 conductors.
All the 4 windings are connected in series with appropriate polarity

CONCLUSION

The twin-signal sensing technique has been shown to provide excellent results for on-line detection of faults in rotor windings of turbine-generators.
The technique is simple and needs only healthy rotor data.
The testing can be performed on-line for excited windings.
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