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Air-Gap Flux Probe Technology for Detecting Rotor Winding Shorted Turns

Online and At-speed Testing

Generatortech Rotor Winding Shorted Turn Flux Probe testing is performed while your generator is online and at-speed. See the table below for the advantages:

 

Compare Testing Methods

Technique
Locations of turns?
Sensitive?
Quantitative?
Detects Thermal and Speed Dependant Shorts?
OFFLINE TESTS
Rotor Impedance Test
No
Low
No
Yes- speed, voltage
Pole/Coil/Turn Voltage Drop Test
Yes
High
Yes
No
Search Coil Slot Flux Distribution Test
Yes
High
No
No
ONLINE TESTS
V/A Measurement
No
Low
No
Maybe
Generatortech Flux Probe Test
YES
HIGH
YES
YES

 

 

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