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Digital DC Drive

Digital DC Drive
Digital DC Drive
Product Code : 04
Product Description

Owing to our flexible approach and efficient services, we are able to manufacture and supply an extensive range of Digital DC Drive. The drives are used for varying and adjust the speed of an electric motor in power plants, chemical and textile industries. Our well experienced manpower manufactures the drives utilizing digital microprocessor based technology. The clients can avail our Digital DC Drive in different customized specifications as per their requirements.



  • Speed amplifier has facility for external current limit

  • Eliminates cumbersome conventional wiring


  • Provision to monitor the selected points via PLC

Further Details:

DC Drives manufactured by us are highly sophisticated and features provided are rarely available in its contemporary system.



  • Enhance performance by advance technique such as:

  • Phase Locked Loop (PLL) ensure flawless synchronization despite polluted mains and compensates for mains voltage variation

  • C.T. Operated field protection to make a precise tripping

  • Train of firing pulses by using ferrite core transformers ensure reliable triggering of thyristor

  • Adaptive regular gives optimum response under varying load conditions

  • Current amplifier has facility for external current reference

  • A trip relay with electrical latch provides interlock with motor

  • The control card incorporated LED monitoring to assist in rapid fault diagnosis

  • Designed for larger power supply variations

  • To eliminate the Re-Tuning of control card, adjustments and terminal row for external connection broght to a separate card

  • Flat ribbon cable eliminates cumbersome conventional wiring to facilitate quick replacement

Control Facilities:

  • Linear acceleration / deceleration ramp provides independent adjustment of an acceleration and deceleration rates over a range of 2-30 Sec. If not required can be linked out

  • Minimum speed adjustment

  • Maximum speed adjustment

  • Current limit

  • Jogging / Inching

  • Motor overload adjustment

    • 200% of full load current at 10 Sec.

    • 150% of full load current at 20 Sec.

    • 125% of full load current at 40 Sec.

    • 100% of full load current no tripping

  • Motor Stability

  • Speed gain

LED indications to fault diagnosis:

Drive trip
Motor Off
Feedback Loss
Field Loss (CT operated)

Phase Loss / Reverse
Overload Current Limit
Internal Fault

Operating Data:

Input AC Supply


3 Ph. 415V ±10%


50 Hz. Limit 47-62 Hz

Output Voltage


0-440V DC to Armature



220V DC to Field

Ambient Temp


45° C



95% Max. Non Condensing

Main Dadari Rod, 38 Village Vishnauli, Harish Chandra Ka Bagh, Near Chappraula, Old Police Chowki, Opposite Indus Pipe Company, G.B. Nagar, Noida - 203207, Uttar Pradesh, India
Mr. Pramod Sharma (Director)
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