Analog Constant Voltage Transformer

Analog Constant Voltage Transformer
Analog Constant Voltage Transformer
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Product Code : 01
Product Description

We are offering Constant Voltage Transformer to our clients that is widely used in several industries to provide constant electrical power to the appliances. The voltage transformer is an electrical instrument that set up or step down the voltage level. Transformers work based on the Faraday's law of induction. Our offered Constant Voltage Transformer is a durable and very functional product. It is assembled using top grade electronic components, therefore, a long service life of the transformer is ensured.



In Hi-Rel CVT, the AC mains powers the input winding which is widely separated physically from the isolated output winding. The input winding normally runs at very moderate Flux linkage levels. The output winding exhibits an intrinsic energy characteristic and this energy storage operates in conjunction with mains capacitor to produce self-generated AC flux field which is indirectly excited from the input winding. 

The result is instantaneous voltage regulation. No transient and spikes. Sinewave output. A perfect answer and remedy for every electronic equipment.



  • No semiconductors or moving parts used, hence very high reliability

  • No feedback control used

  • Intrinsic current limiting and short circuit protection

  • Output voltage correction within ½ Cycle ( 10 ms) from no load to full load for specified load and line variation

  • Short term over load capability

  • Energy storage for line loss up to 3 ms at typical loads

  • Higher input voltage control range, for loads less than rated load

  • Very high line transient/spike rejection capability and excellent input to output isolation characteristics

  • Output floating (optional)




    Hi-Rel CVT is available in a wide range.. from 100VA to 5000 VA with load test conducted at unity power factor for all ratings.



    Computers, Data Processing equipment, Colour Photography Labs., Bio-medical equipment, PA equipment, Telecommunication, TV, VCD/DVD recorders & players, Teleprinters, Fax machines and all other sensitive electronic devices.


      Input Voltage

      180V-260V (other choices on request)

      Line Frequency


      Output Voltage

      220/230± 1%

      Output Stepload response

      2 cycles (30 to 40 milliseconds)


      90% (approx) under full load conditions

      Output Waveform


      Waveform Distortion

      5% (approx) under full load conditions

      Load Power Factor

      0.75% lag to 0.9% lead

      Ambient Temperature

      -5ºC to 50ºC

      Transformer Type


      Effect of Frequency

      1.6% (approx) change in output voltage for every 1% change in
      line frequency






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