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  • Servo Stabilizer
  • Three Phase Air Cooled

  • Isolation Transformer

  • Electronic Voltage Stabilizers

                         TECHNICAL SPECIFICATIONS FOR SERVO STABILIZER
1.
Capacity :
25 to 1200 KVA 3PH
2.
Input Voltage Range :
340 V - 470 V AC 3phase
3.
Output Voltage :
415 V +/- 1% ph to ph (240v phase)
4.
No. of phases :
Three
5.
Line Frequency :
47-53Hz.
6.
Output Voltage Regulation :
+1%
7.
Type of Cooling :
Oil Cooled
8.
Type :
Unbalanced supply and Load conditions
9.
Efficiency :
>95%
10.
Speed of Correction :
30 V per sec.
11.
Wave form distortion :
Nil
12.
Effect of Load power factor :
Nil
13.
Ambient Temperature :
0-40ºC
14.
Duty Cycle :
Continuous
15.
Indications on each phase :
Input on,Input Low,Input High,Output On,Output Cutoff.
16.
Controls on each Phase :
Auto/Manual Selector Switch,Increase/Decrease Selector Switch,Volts adj. Potentiometer.
17.
Metering :
Voltmeter to read Input and Output Voltages with selector switch, Ammeter to read the Output current.
18.
Other Indications &Controls :
Input R, Y, B Indications in each ph 3phOutput on Indication,Reset Auto/Manual selector switch Output On Switch Output off Switch.
19.
Protection :
Low Voltage Protection,High Voltage Protection,Over load Protection,Short Circuit Protection,
Single Phase Preventer.

                       Electronic Servo Controlled Voltage Stabilizers Single Phase -
             1KVA to 20 KVA (Air Cooled) Three Phase Air Cooled Capacity 3 KVA to 60 KVA
1.
Capacity :
3 to 60 KVA 3PH
2.
Input Voltage Range :
340 V - 470 V AC 3phase
3.
Output Voltage :
415 V +/- 1% ph to ph (240v phase)
4.
No. of phases :
Three
5.
Line Frequency :
47-53Hz.
6.
Output Voltage Regulation :
+1%
7.
Type of Cooling :
Air Cooled
8.
Type :
Unbalanced supply and Load conditions
9.
Efficiency :
>95%
10.
Speed of Correction :
30 V per sec.
11.
Wave form distortion :
Nil
12.
Effect of Load power factor :
Nil
13.
Ambient Temperature :
0-40ºC
14.
Duty Cycle :
Continuous
15.
Indications on each phase :
Input on,Input Low,Input High,Output On,Output Cutoff.
16.
Controls on each Phase :
Auto/Manual Selector Switch,Increase/Decrease Selector Switch,Volts adj. Potentiometer.
17.
Metering :

Digital Voltmeter to read Input and Output Voltages with selector switch. Ammeter to read the Output current
18.
Other Indications &Controls :
Input R, Y, B Indications in each ph 3phOutput on Indication,Reset Auto/Manual selector switch Output On Switch Output off Switch.
19.
Protection :
Low Voltage Protection,High Voltage Protection,Over load Protection,Short Circuit Protection,
Single Phase Preventer.

                                      Isolation Transformer Technical Specifications
1.
Primary voltage :
230V, 50 Hz, 1 or 400V, 50Hz, 3
2.
Secondary Voltage :
230V, 50 Hz, 1 or 400V, 50 Hz, 3
3.
Input range (Allowable) :
+ 10%
4.
Load Regulation :
3.5 to 7%
5.
Mode of Operation :
1: 1 or Stepdown or Stepup
6.
A.C. Breakdown voltage test :
2500 V for one minute
7.
Line Frequency :
50Hz + 3Hz Insulation Re meg. ohm at 500 V.D.C. for one minute.
8.
Common mode Noise Rejection :
Better than 85 db
9.
Differential Mode Noise Rejection :
Better than 50 db

Isolation Transformers are available from 0.5 KVA to 30 KVA as standard models. Three Phase (Delta/Star) Isolation Transformers can be supplied upto 500 KVA as per customer specifications.
* Rectifiers for Anodizing / Electroplating
* Other Electronic Custom-Built Equipments

      Electronic Voltage Stabilizers for Air Conditioners, Freezers Technical Specifications
1.
Input Voltage Range :
170V-270V Output 9% (200V - 240V)
2.
Out Voltage :
220V + 9% (200V - 240V)
3.
Protections :
Over voltage / Under voltage Trip
4.
Time Delay Facility :
Electronic Time Delay (20 - 200 sec) to switch on the output after restoring normality.
5.
Termination :
Input   : Power chord (Rated)
Output : 30Amps/3 pin connector
6.
Metering :
0-300V Voltmeter with selector switch to read input and output voltages.
7.
Indications :
(a) Input On (b) Output On (c) OV/UV Trip