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Certified Company ISO 9001:2015
Condition Assessment Study
A high-frequency DC step voltage impulse (12 V) is repeatedly applied using a Progno RSO Pulse generator to the rotor winding at a positive slip ring and the reflected waveform is recorded using a Digital Oscilloscope. The RSO technique uses time domain reflectometry theory to detect faults in Rotor Winding. The process is repeated for negative slip rings and the two waveforms are superimposed to check for rotor winding abnormalities like shorted turns, earth faults, interturn faults, or rotor high resistance areas. The method is largely suited for 2 pole machines for effective detection of rotor winding inter-turn shorts or high resistance joints.
The results will be analyzed to assess the Rotor winding insulation about:
- INTER TURN SHORTS
- HIGH RESISTANCE JOINTS
- EARTH FAULTS
- Contamination
Diagnostic Tests
A high-frequency DC step voltage impulse (12 V) is repeatedly applied using a Progno RSO Pulse generator to the rotor winding at a positive slip ring and the reflected waveform is recorded using a Digital Oscilloscope. The RSO technique uses time domain reflectometry theory to detect faults in Rotor Winding. The process is repeated for negative slip rings and the two waveforms are superimposed to check for rotor winding abnormalities like shorted turns, earth faults, interturn faults, or rotor high resistance areas. The method is largely suited for 2 pole machines for effective detection of rotor winding inter-turn shorts or high resistance joints.
The results will be analyzed to assess the Rotor winding insulation about:
- INTER TURN SHORTS
- HIGH RESISTANCE JOINTS
- EARTH FAULTS
- Contamination
