350 KVA Three Phase Servo Voltage Stabilizer

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TypeAutomatic
Phase3 Phase
Brand NameDESTA
Power350KVA
Response Time10 m sec
Production Capacity15 pcs./ month
Auto/ Manual operationProvided
Correction Rate15-25 volts/ Sec
Reference StandardIS-9815, IS-2026
CompatibilityUse with Mains and DG set
Visual IndicationsInput, Output, Low/High Voltage, Time Delay, Mains ON, Low/High Voltage Cut-off
Nature of CoolingAir Cooled / Oil Cooled
Correction Rate15 to 25 Volts.
Input/output ConnectionTerminals of Suitable Rating
Wave Form DistortionNill
ControlThrough Micro Controlled Digital Circuit
Output Frequency50 Hz
Insulation Resistance<6 Mega Ohms at 500V DC
Ambient10 to 50 deg. C RH 95%
Speed Of Correction15 to 25 Volts.per Sec.
Wave form DistortionNil
Dielectric Test1.5 KV RMS for 1 minute for the unit 2.5KV for the Power components.
SuitabilityUnbalance Input Voltage, Balance Output Voltage, & Balance/ Unbalance Load.
Input Voltage260 - 470 Volts
Input VoltageAs Per Customer Requirement
InsulationF Class
Efficiency>95%
Input Window240 - 490 Volts
Output Voltage230/240 /400 / 415 Volts. ± 1% Nominal. Front panel Adjustment with in ± 5% of Nominal Voltage
EnvironmentDesigned for Indoor Tropical Use
Output Voltage415 Volts. +- 1%

details

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.