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Thursday, 23 Feb 2012

Constant Voltage Transformer [CVT]

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Constant Voltage Transformer [CVT]As the name suggests, this is basically a voltage-regulating device. However, apart from maintaining the voltage, it also provides a high degree of filtration & isolation. It also rides over brown outs & blackouts of a few milliseconds.

Apart from frequency drifts and power failures, this provides answer to almost all power problems.

In a PACE 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. Sine wave output. A perfect answer and remedy for every electronic equipment.

Applications

 

Computers, Data Processing equipment, Electronic Cash Registers, Fax machines
CNC systems, Photo Typesetters, Tele-printer, Security Systems
Colour Photography Labs
Bio-medical equipment, Life saving emergency equipments in ICUs, X-ray Machine, Medical
Monitors, Field & Lab Instruments, Communication Equipments
PA equipment
Telecommunication
TV/ DVD Recorder and Players
Other sensitive electronic devices

Salient Features:

No semiconductors or moving parts used, hence very high reliability & long life
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)

Optional Features:

Extended Range Model available
Built in spike processor
Special Input / Output ranges available on request
Single phase preventer

Range

PACE 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.

Maintenance Tips

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.