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Constant Voltage Transformers
Constant Voltage Transformers
Excellent Electronics manufactures Constant Voltage Transformers (CVTs). These are available in a wide range from 50 VA to 5000 VA for various configurations. Design: based on the ferro-resonance principle, it consists of a high reactance type transformers and capacitors. The company is engaged in manufacturing and supplying a comprehensive range of electrical products that include transformer up to 25 kVA, three phase transformers, constant voltage transformers and stabiliser of AC and TV.
- Computers
- Data processing equipment
- Colour photography labs
- Bio-medical equipment
- Telecom
- Telex
- TV
- V C R
- Electronic type-writers
- Tele printers and fax machines.
- Input voltage – 180 V-260 V (other choices on request)
- Output voltage – 220/230 V ±1%
- Line frequency – 50 Hz ± 1%
- Output wave form – sinosidal
- Transformer type – ferro-resonant
- Effect of frequency – approx 1.6% (against each 1 % change in the line frequency)
- Efficiency – 88% or better at rated voltage/load
- Wave form distortion – 5% (approx) under/full load conditions
- Output stepload response – 2 cycles (30 to 40 milli-seconds)
- Ambient temperature – -5°C to 50°C.
- No semiconductors or moving parts used
- Short circuit protection
- Short term over load capacity
- Higher input voltage control range, for loads less than rated load
- Very high line transient spike rejection capacity and excellent isolation characteristic, output floating, (optional)
- Output voltage correction within 1/2 cycles (10 milliseconds) from no load to full load for specified load & line variation.
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