Function of GBM

• Continuous Monitoring of

     a)Shaft Voltage

     b)Shaft Current

• Audio and Visual Alarm Generation
• Automatic Log
• Log Printing (Optional)

GBM Finds Application in

• Turbo/Hydro Generators
• Induction Motors
• ID Fans

 Specifications

• Unit Dimensions (W X D X H) : 394 X 313 X 110 MM
• Operating Environment : 0-50c (Ambient) 90% RH
• User Interface : Key Pad
• Display : Four Line LCD (4 X 20)

 Power Supply

Input Signal Levels :

1)      Shaft voltage - on T.S : 20 V (Max)

2)      Shaft current - on T.S : 20 A (Max)

3)      Bearing potential  - on T.S : 20 V (Max)

Ground Brush Monitor is an on line monitoring instrument to aid maintenances personal to carry our predictive maintenance of ground brushes to protect the thrust and journal bearings of stream turbine, generator and excite from damages due to flow of current

Signal Pointing for GBM