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4 Yrs
Plot No. E. L - 655, Industrial Area, Phase - 9
Mohali, Punjab-160062, India+(91)-172-5093639
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DC Drives

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NBH offers large range of DC Drives & DC Digital Drives Panels ranging from 1HP to 5000HP for various applications fully interfaced with PLC, PC & HMI. NBH provide DC drives with 0.01% of accuracy with feedback system & with inbuilt scada system which can be interfaced with PC for accessing various NBH Drive data status, Load parameters, Line permissive. We have more than hundred’s of drives installed & are running satisfactorily in India & abroad.
A few of the salient feature of our DC Digital Drive Panel includes:

  • Single Quadrant and Four Quadrant Drive options
  • Full control three phase interchangeable Thyristor bridges
  • Drive status indications
  • Input AC supply variations upto ± 15% permitted
  • Maximum operating temperature 60 Degree Celcius
  • Speed Control Range 1:100 with tacho feedback
  • Steady State Accuracy with Encoder, Tacho and Arm Volt Feedback option
  • Overload Capacity 150% rated output current for 25 seconds
  • 36 Digital & input I/O combination
  • Unique Inbuilt shaft position controller
  • Intelligent Overload Protection
  • Large 40Character alphanumeric display
  • Ultra Compact size –Less Panel space
  • Inbuilt Surge Voltage Suppression
  • Inbuilt Single Phasing Protection
  • Adjustable Current Limit 0-200%

Protection features of NBH DC drives:
  • Instantaneous overcurrent
  • Field failure protection in DC Drive card
  • Field Overcurrent
  • Motor over-temperature
  • Thyristor stack Over-temperature
  • Mains supply phase loss
  • Mains synchronisation loss
  • Armature over voltage in DC Drive feedback card
  • Thyristor Trigger failure option in DC Drive
  • Overspeed
  • Tacho and/or encoder failure with auto change-over to arm voltage feedback
  • All analog and digital outputs are short circuit protected


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