Servo Controlled Voltage Stabilizer

About Servo Controlled Voltage Stabilizer

• 1) efficiency of our Stabilizer are Better than 98% due to use of prime grade of electrical laminations and windings with toroidal buck - boost transformer.

Specification

• Input Voltage range (3 - Phase) - 300V - 470V, 340V- 470V, 360V- 460Vï
• system : Unbalanced 4 wire: RYBN
• Connections : Star Type
• Rating/ Capacityï ï ï ï : 10 - 1000 KVA
• Operating Frequency : 47 to 53 Hz
• Output Voltage Adjustable : 380 to 415V AC in 3 Ph
• Output Voltage Regulation : +1%(No Load)
• Output Voltage Regulation : +1%(Full Load)
• Overload Capacityï ï ï ï ï ï ï: 120%
• Correction Rateï ï ï ï ï ï ï ï : 105V / 70V / 60V / 40V Per Phase
• Waveform Distortionï ï ï ï : Nil
• Output Waveformï ï ï ï ï ï: True Reproduction of Input
• Insulationï ï ïClass F
• Short Circuitï Percentage : 300% for 250mili sec
• Normal Operation Temperature : OC to 45C
  
• Climate Conditions : 90% Rh Max. Non Condensing at 35 C
• Type of Cooling : Natural air cooled up to 100 KVA and above 100 oil colled
• Mode of system : Fully Automatic
• System Construction : As per IS : 9815-1994

Protection

• Single phasing Prevention
• Output Electronic Over Load Protection (Optional)
• Phase Reversal Protection
• Input Short Circuit Protection with MCB / MCCB
• Input Over Load Protection with MCB / MCCB
• Output Low Voltage Protection
• Output High Voltage Protection
• Audio Alarm for Protections

Indication

• Mains Input Voltage onï Display
• 3ph output OKï LEDï
• Output Trip LED
• Output Ok LED
• Phase Reversal indication
• Over Load indication

Indication IN LCD Display

• input Voltage, Frequency
• OutputïVoltage
• Output high Cutoff and Output TripïLED

ï

Programmable Parameter

• Output voltage set (210-245V)
• Output Low Voltage Cutoff
• Output High Voltage Cutoff
• Input Low on LCD Display
• Input High on LCD Display
• Sensitivity / Regulation
• Over Load Cut off (Optional)
• CT full scale

Programmable Control Timing

• Over load Cut off Time
• Auto Restart Time
• Onï&ïOff Delay Time

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Salient Features

• Quick response time 10 m sec(half a cycle)
• Very high efficiency above 98%
• Excellent regulation as high as +/- 0.5%
• Micro controller controlled system
• Wipe input range of operations & high speed of correction

Metering On LCD Display

• 3ph Input voltage - Phase to Neutral / Phase to Phase
• 3ph Output voltage - Phase to Neutral / Phase to Phase
• System Frequency
• Output Current on each ph (Optional)