• crescentelectricals@hotmail.com
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Elent

Constant Voltage Transformer (CVT)

FEATURES
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.


    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)

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.


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.


Constant Voltage Transformer (CVT)


Model No. Capacity in VA Capacity at Unity Power Factory
CVT050 50 50 Watts
CVT100 100 100 Watts
CVT150 150 150 Watts
CVT250 250 250 Watts
CVT500 500 500 Watts
CVM1000 1000 1000 Watts
CVM1500 1500 1500 Watts
CVM2000 2000 2000 Watts
CVM2500 2500 2500 Watts
CVM3000 3000 3000 Watts
CVM4000 4000 4000 Watts
CVM5000 5000 5000 Watts
CVM10000 10000 10000 Watts

Model No.
CVM500P
CVM500X
CVM1000
CVM2000
CVM3000
CVM5000
CVM10000
  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

E-SERIES UPS (OFFLINE)

FEATURES
Based on state-of-the-art technology, the Series E UPS systems protect your computers by providing only regulated AC mains voltage. The Series E UPS range has various models to provide back-up power stretching from 10 minutes to 4 hours depending on the connected external battery bank.


    Main Features

  • Built in AVR
  • Short circuit protection
  • Cold start provided
  • Overload protection
  • Low Battery cut-off

WITH Built-in SMF Batteries

Model No. Batteries Rating
UPS612E 1X7AH 600VA
UPS824B 2X7AH 800VA
UPS1024 2X7AH 1000VA
UPS1048B 4X7AH 1000VA

E Series Without Battery- Batteries to be connected externally

Model No. Batteries Rating
UPS650E 12 Volt 650VA/390W
UPS1000E 24 Volt 1000VA/600W
UPS2000E 24 Volt 2000VA/1200W
UPS3000E 36 Volt 3000VA/1800W

ECO-SERIES UPS (ONLINE)

    FEATURES

  • True On-Line Double Conversion type UPS System
  • IGBT technology design
  • Pure Sinewave output
  • Bypass provided
  • Compact and well engineered architecture
  • Neutral isolation design
  • High input power factor >0.97
  • Full bridge inverter
  • Overload and output short circuit protection
  • Wide input tolerance range
  • Smooth and silent operation
  • Fast correction rate for line and load regulation
  • Compatible with the intelligent data protection package
  • Easy to install, use and maintain
  • Superior performance to price analysis
Model No. DC Bus Rating
UPS01 36V 1000VA
UPS03 96V 3000VA

Online UPS with isolation transformer

Single phase input single phase output
Model No. DC Bus Rating
UPSI1000 48V 1000VA
UPSI1000 144/180V 1000VA
UPSI2000 72V 2000VA
UPSI2000 180V 2000VA
UPSI3000 180V 3000VA
UPSI5000 120V 5000VA
UPSI5000 180V 5000VA
UPSI7500 180V 7500VA
UPSI10000 180V 10000VA

Three phase input single phase output
Model No. DC Bus Rating
UPSI3105 360V 5000VA
UPSI3110 360V 10000VA
UPSI3115 360V 15000VA
UPSI3120 180V 20000VA
UPSI3000 360V 3000VA
UPSI3125 360V 25000VA
UPSI3130 360V 30000VA

Three phase input three phase output
Model No. DC Bus Rating
UPSI3310 360V 10000VA
UPSI3315 360V 15000VA
UPSI3320 360V 20000VA
UPSI3325 360V 25000VA
UPSI3330 360V 30000VA
UPSI3340 360V 40000VA
UPSI3350 360V 50000VA
UPSI3360 360V 60000VA
UPSI3375 360V 75000VA

PS/3-SERIES UPS (ONLINE)

    Features

  • True On-Line Double Conversion type UPS
  • High Frequency PWM design using IGBT/MOSFET
  • Compact and well engineered architecture
  • Ultimate protection against all power line disturbances
  • We de input voltage tolerance range
  • Suitable for all types and capacities of batteries
  • Suitable for all types and capacities of batteries
  • Neat and clean flat cable wiring
  • Pure Sinewave output
  • Smooth and silent operation
  • Complete annunciation on the front panel
  • Excellent dynamic response for step load change
  • Short circuit/overload protected
  • Fast correction rate for line and load regulation
  • High inrush/peak current loading capability
  • Computer communication compatibility as a standard feature
  • Easy to install, use and maintain
  • Lowest running and operational expenditure
  • Superior performance to price analysis

Servo Controlled Voltage Stabilizers (SCVS)

    Features

  • Output A.C Voltage correction for wide input variations
  • 1% regulation
  • No output waveform distortion
  • Fast correction of output voltage: 20V/sec.
  • Output self adjustable for a range of ±5%
  • Auto/manual operation facility
  • Under-voltage and over-voltage cut-out arrangement
  • Voltmeter with facility to read input or output voltage
  • High efficiency
  • Compact and modular construction for ease in servicing
  • M.C.B. on input circuit
  SPECIFICATIONS
  Single Phase   Three Phase
  Input Range   175 to 260 VAC*   305 to 450 VAC
  Output Voltage   230 VAC   400 VAC
  Output Voltage Adjustments   220 to 240 VAC   380 to 415 VAC Ph to Ph
  Supply Frequency   47 to 53 Hz   47 to 53 Hz
  Load & Line Regulation   1%   1%
  Waveform Distortion   Nil   Nil
  Effect of Load Power Factor   None   None
  Ambient Temperature   0 To 45ºC   0 to 45ºC
  Environment   Designed for continuous indoor use
  Correction Speed   20V/sec   20V/sec. Ph to Neu
  Output Rating (KVA)   1; 2; 3; 4; 5; 7.5; 10 & 15   6; 9; 12; 15; 22.5; 30 & 45
  *Also special models with wider input range of 130 to 270 VAC in 1; 2; 3 & 5 KVA
  ratings
  Since product innovation is a continuous process at Elent, specifications are subject to
  change without notice

Automatic Voltage Stabilizer (AVS)

WITH OV/UV & TIMER

Model No. Suitable For Input V. Output V
TCTD 202 PHOTO COPIER 140-280 200-240
TCTD 400 1.5 TON A. C. 170-280 200-240
TCTD 500 2.0 TON A. C. 170-280 200-240
TCTD 402 1.5 TON A. C. 140-280 200-240
TCTD 502 2.5 TON A. C. 140-280 200-240

Constant Voltage Transformers

Design : The AC mains powers the input winding which is widely separated physically form the isolated output winding. The input winding normally runs at very moderate Flux linkage levels. The output winding exhibits on intrinsic energy storage 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 windings.


Result : Instantaneous Voltage regulation. No Transient and Spikes, Sinewave output. A perfect answer and remedy for every electronic equipment.


    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 1/2 Cycle (10 milliseconds) from no load to full load for specified load & line variation
  • Short term over load capacity
  • Energy storage for line loss upto to 3 milli seconds at typical load
  • Higher input voltage control range, for loads less than rated load
  • Very high line transient/spike rejection capability and excellent isolation characteristic
  • Output floating (Optional)