NBH offers large range of DC Digital drive Panels ranging from 1HP to 5000HP for various applications fully interfaced with PLC, PC & HMI. NBH provide drives with 0.01% of accuracy with feedback system & with inbuilt scada system which can be interfaced with PC for accessing various 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:
Full control three phase interchangeable thyristor bridges
Drive status indications
Input AC supply variations upto ± 15% permitted
Maximum perating temperature 60 Degree Celcius
Speed Control Range 1:100 with tacho feedback
Steady State Accuracy 0.01% with Encoder Feedback with Digital
Reference , 0.1% with Analog tacho , 2.0% with Arm-voltage feedback
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%.
PROTECTIONS :
Instantaneous overcurrent,
Field failure,
Field Overcurrent,
Motor over-temperature,
Thyristor stack Over-temperature,
Mains supply phase loss,
Mains synchronisation loss,
Armature over voltage,
Thyristor Trigger failure,
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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