Grading Area Discharge White Powder & Grading Paint Damaged
...Levels Detected Partial discharge (PD) measurements and data analysis have been performed on BC Hydro generators for approximately over 2 decades in order to ...
...Levels Detected Partial discharge (PD) measurements and data analysis have been performed on BC Hydro generators for approximately over 2 decades in order to ...
...the core due to the electromagnetic forces due to the fault current. The rotor came in contact with the lifted coil, exposing the conductor
...mounted on each of the phase leads and an RF current transformer mounted on the neutral lead for signal detection. Significant differences between ...
...Condition of insulation system has been regularly checked by off-line and on-line measurements since commissioning of the motor-generator. There were several faults of insulati
Company: West Canadian Plant Machine Description: 13.8 kV; 90 MW; 3600 rpm, Gas Turbine Generator Manufactured 2010 BUS EMCs (80 pF sensors) CASE STUDY: Effective ...
...with two, temporary mounted, air-gap sensors. One sensor was mounted on the stator core and the other on the rotor pole. Machine was rotated ...
...It is used to select which assets a maintenance program should target. Visual inspection and suite of electrical testing was performed to identified the conditi
2013 IEEE International Conference on Solid Dielectrics, Bologna, Italy Abstract—On-line partial discharge (PD) measurements are widely used to detect stator winding insulation problems. The ...
Abstract—On-line partial discharge (PD) measurements are widely used to detect stator winding insulation problems. The most widely applied measurement method uses 80 pF capacitors
...large number of failure processes that gradually reduce the electrical and mechani-cal strength of the insulation to the point that insulation failure will eventually occur. ...