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Constant Voltage Transformer (CVT) |
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In an Elent 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. |
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| SALIENT FEATURES |
- 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)
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RANGE
Elent CVT is available in a wide range.. from 50 VA to 10,000 VA with load test conducted at unity power factor for all ratings. For configurations other than those mentioned above, please contact our office.
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FIELDS OF APPLICATION
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.
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| RECOMMENDATIONS |
- Keep magnetic storage and display devices like Diskettes, Spools, Monitors etc. away from the CVT
- Switch on the CVT before switching ON the attached peripherals and while switching off, switch OFF attached peripherals first and then the CVT
- Avoid using the CVT for high inductive loads.
- Check frequency before using the CVT with a generator. Recommended frequency: 50± 1Hz
- Switch OFF the CVT when not in use.
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| SPECIFICATIONS |
| Input Voltage |
180V-260V (other choices on request) |
| Line Frequency |
50Hz |
| Output Voltage |
220/230± 1% |
| Output Stepload response |
2 cycles (30 to 40 milliseconds) |
| Efficiency |
90% (approx) under full load conditions |
| Output Waveform |
Sinusoidal |
| 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 |
Ferro-Resonant |
| Effect of Frequency |
1.6% (approx) change in output voltage for every 1% change in
line frequency |
Since product innovation is a continuous process at Elent, specifications are subject to
change without notice |
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