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Techniques for online detection of shorts in turbine generator rotor (Read 114 times)

vartika

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Techniques for online detection of shorts in turbine generator rotor

Short tunes causes coil foreshortening, blocking problems and many other problems. Coil Foreshortening includes features in which a copper body is not being able to expand freely. Minimizing it by using the materials with the sufficient yield strength. End strap elongation includes fictional forces which are acting among them. Foreign material contamination includes the affect ageing of the unit. Blocking problem includes the age of the unit which increases blocking problems and thus also increases the same. Detection is important because of the rotor unbalancing, current requirements, higher temperature results requirements and the diminished capacity, vibrations, higher fields. There are two kind of sensors in twin signal sensing methods which include signal generator and signal detector.