Servo Controlled Voltage Stabilizer

Specifications

Output Voltage	230 VAC (1 phase), 415 VAC (3 phase) 4 wire system.
Regulation	+/- 1% or 0.5%
Supply Frequency	47 - 53 MHz
Efficiency	Better than 98%
Wave form distortion	Nil
Effect of Load Power Factor	Nil
Ambient	0-45C max relative humidity upto 90%
Environment	Designed for indoor tropical use
Enclosure	IP 23

Servo Controlled Voltage Stabilizer Salient Features

Fast Rate of correction 105 V/Sec.
Response Time less than 10 milliseconds
Use of PI type control circuit prevents over / under shooting or hunting.
No noise or transient generated by the system due to isolated servo drive and relay free operation.
Plug-in Type fiber glass PCB's ensures minimal down time with silver plated fingers for better contact.
Use of IC's and professional grade components for total reliability.
Every unit is 'soak tested' for 24hrs to guarantee a trouble free operation.
Conforms to 'Joint Service Specification' of Ministry of Defense - JS - 55555.
Reliable and consistent performance.
Efficiency 98%.
DG set compatibility. Special RMS sensing circuit ensures no drift in output Voltage even with distorted waveform. This avoids nuisance tripping of advanced electronic equipments.
Inbuilt protection like Single Phasing, Output Low / High voltage setting with audiable alarm, programmable delayed tripping circuit etc.
Built in digital metering for measurement of Voltage, Current, Frequency.
Use of Pulse Width modulation Technology
Small & compact in size
Higher overloaded capabilities
Quick deliveries & ease of maintenance

Servo Controlled Voltage Stabilizer Applications

Quick, steady and accurate correction of voltage
Constant output voltage, despite load current variations
Balanced output voltage, irrespective of input unbalance
Overall energy saving - above 98% efficiency
Increased life of your equipment, reduced heating and minimal losses
Optional features include additional metering, surge suppression, voltage cut-off, overload protection, single phase prevention, bypass mechanism, Soft Start, time delay, audio-visual alarms, trips for abnormalities, inbuilt isolation transformer etc

Technical Specifications

Supply system	Input Voltage range	Rating
Single phase	170 - 270 V	1,2,3,5,7,10,12.5,16,20 & 25 KVA air -cooled execution
Three phase	340 - 480V	5,7.10.15,20,25,30,40,50,60,75,100,125 & 150 KVA air-cooled execution. 75,100,125,150,175,200,225,250,300, 350, 400,500,600,750,800,1000,1250 1500KVA oil cooled execution
	295-470V	3,3.5,7.5,10,15,25,30,40,50,60,75 100KVA air-cooled execution.
	295-470V	60,75,100,125,150,200,250,300,400,500 & 1000 KVA oil cooled execution.

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