20 KVA Three Phase Servo Voltage Stabilizer

Specifications

Type	Automatic
Phase	Three Phase
Input Voltage	290 - 470 Volts.
Output Voltage	400 Volts. +- 1%
Correction Rate	25 volts/ Sec
Production Capacity	100 Pcs. / Month
Line Frequency Variation	50Hz +- 3%
Reference Standard	IS-9815, IS-2026
Control	Through Micro Controlled Digital Circuit
Response Time	10 M Sec
Nature of Cooling	Air Cooled / Oil Cooled
Visual Indications	Input, Output, Low/High Voltage, Time Delay, Mains ON, Low/High Voltage Cut-off
Wave form Distortion	Nil
Efficiency	>95%
Auto/ Manual Operation	Provided
Dielectric Test	1.5 KV RMS for 1 minute for the unit 2.5KV for the Power components
Insulation Resistance	<6 Mega Ohms at 500V DC
Ambient	-10 to 50 deg. C RH 95%
Environment	Designed for Indoor Tropical Use
Compatibility	Use with Mains and DG set
Suitability	Unbalance Input Voltage, Balance Output Voltage, & Balance/ Unbalance Load

Additional Information

basic components of servo voltage stabilizer are

buck boost double wound transformer.
suitable toroidal wound variac.
geared servo motor unit with limit switches to avoid over running at highest and lowest position.
microcontroller digital display control card.
these entire components are interconnected to form servo voltage stabilizer.

salient features

wave shape distortion-nil.
95% and more efficiency being achieved by optimum design and by use of high quality crgo lamination and 99.9% pure copper.
immune to load pf and supply frequency variation.
power losses 2% maximum.
duty cycle continuous.
life expectancy 15-20 yrs.
operation-auto/manual.
control through micro processor controller/ic based solid state plug in type glass epoxy control card.
high quality ehv grade oil as per is-335.
reference standard is-9815, is-2026.