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TThe CVT uses the unique principle of ferroresonance: operation of a transformer in the region of magnetic saturation. When the iron core of a transformer is in saturation, relatively large changes in winding current results in very small changes in magnetic flux. Winding current and magnetic flux are proportional to the input and output voltage, respectively. This means that relatively large changes in input voltage result in small changes in output voltage: this being the fundamental purpose of an automatic voltage regulator.
The ferroresonant action is a flux limiter rather than a voltage regulator, but with a fixed supply frequency it can maintain an almost constant average output voltage even as the input voltage varies widely. Dishant Electronics makes wide range of CVT including various features at very competitive rate.
FEATURE
| Proven technology |
| High reliability |
| Fast response |
| Output short circuit protected |
| Rugged industrial design |
| High efficiency products and very low electricity consumption as compared to local CVT |
Affordable price
APPLICATION Embroidery machinesSignaling instrumentsEpabx systemsElectronic typewritersComputers & peripheralsTransmittersScientific intrumentsLaboratory equipmentsPhoto flash equipments |
| Technical specification | Single phase | Three phase |
|---|---|---|
| Capacity | 160v-270v | 340- 470 V AC |
| Input voltage | 1 phase 230V AC | From 1 KVA to 50 KVA |
| Output voltage | 230v +- 1% | 415V AC +- 1% |
| Line frequency | 50Hz +- 2 % | 50Hz +- 2 % |
| Display | Mains, output, volt meter with switch to read i/p & o/p voltage | Mains, output, volt meter with switch to read i/p & o/p voltage |
| Efficiency | 90%(approx.) under full load conditions | 90%(approx.) under full load conditions |
| Output wave form | Sinewave | Sinewave |
| correction rate | 250V/sec approx. | 250V/sec approx. |
| Load power factor | 0.75% lag to 0.9% lead | 0.75% lag to 0.9% lead |
| Ambient temperature | 5 C to 50C | 5 C to 50C |
| Transformer type | Ferro-Resonant | Ferro-Resonant |
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