
Servo Voltage Stabilisers

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Products Descriptions & Specifications

Servo Voltage Stabilizer

Automatic Voltage Corrector

Constant Voltage Corrector

Uninterruptible Power
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Online UPS (1 kVA to 50 kVA)

Modernised high-tech, computerised & microprocessor equipments require highly reliable Quality Power Supply to match their requirement.

The Online UPS is a stable power generator which utilizes Advence MOSfet high frequency PWM Technology, providing quick transist response to protect your Micro Computer and other computerised sensitive equipments from AC main disturbances, Brown out, Black Out, Voltage

variations, Frequency deviation, etc.

Optional Features

Static bypass switch
Serial RS 232 interface
Microprocessor-based digital metering
Remote On/Off panel
Remote indicator panel

Technical Specifications

AC INPUT a) 200V +/–20% single phase b) 415V +/–20% three phase	or any voltage range as per requirement	Frequency waveform Harmonic distortion	50Hz +/–0.05Hz or 60Hz +/–0.06Hz(crystal controlled True Sinewave less then 3%
FREQUENCY		Efficiency	>93% for 360V DC & above
a) 50Hz +/–10%	Can also work on generators		>90% for 180V DC
DC OUTPUT			>86% for 72V DC/96V/120V
UPS capacity a) 50kVA & above b) 10kVA to 50kVA c)3kVA to 10kVA c) bellow 3 kVA	DC Output Voltage 432V 360V 180V 20V/144V	Power Factor Overload Crest Factor	0.8 lagging to unity 110% for 10 minutes 200% for 5 cycles 400% for 1/2 cycles > 4:1
Invertor Output Voltage Adjustable range Voltage Stability	230V AC single Phase or 415V AC three phase +/–10V AC +/– 1% for DC input variation & Output load variation	Transist Recovery Phase development Audible Noise level Technology	within 3 cycles 110% for 10 minutes 200% for 5 cycles 400% for 1/2 cycles 12O o =1 for 3 phase output less then 40 dB microprocessor PWM-IGBT based switching frequency > 20kc/s