Micro COntrolled Servo Stabilizers

3-Phase DS-Series


Micro Controlled Servo Stabilizer 3-PhaseFeatures

  • Salient Features

    • Quick response time 10 milli sec (half a cycle)

    • Very high Efficiency above 98%

    • Excellent regulation as high as ±0.5%

    • "Micro Controller" Controlled system

    • Wide input range of operation & high speed of correction

  • Provides Perfectly stable output even under severe conditions of unbalanced voltage conditions. Ideal to protect the electrical and electronic equipments from high and low voltages

  • Protections

    • Single Phasing Prevention

    • Input Short-Circuit Protection with MCB / MCCB

    • Input Over Load Protection with MCB / MCCB

    • Output Low Voltage Protection

    • Output High Voltage Protection

  • Indications

    • Mains input on 3 LED Indications

    • 3-Phase output on indication

  • Indications in LCD Display

    • Input High and INput Low

    • Output ON Indication

    • Output high cutoff and output low cutoff

  • Metering on LCD Display

    • 3-ph input voltage ph to ph and ph to neutral

    • 3-ph output voltage ph to ph and ph to neutral

    • System Frequency

    • Output Current on each phase

  • Programmable Parameters

    • Output Voltage set (210-245)

    • output low voltage cutoff

    • output high voltage cutoff

    • input low on LCD Display

    • input high on LCD Display

    • sensitivity / Regulation

    • Over load cutoff

    • CT full scale

  • Programmable Controls

    • Display Scrolling - Auto/Manual

    • Start/Stop Buttons

  • Programmable control timings

    • Over load cutoff time

    • Auto Restart time

    • ON/OFF delay time

    • Datalog: Last 100 fault events log with Date & Time stamp and works on FIFO basis

    • Residential Model aslo available

  • LCD Display for Continuous System Status

  • Noise Less Working


Technical Specifications
Input Voltage Range 300V - 460V/ 340-480V / 360-460V AC 3-Ph, 50Hz
Output Voltage 4150V AC 50Hz 3-Phase
System Unbalanced 4 Wire: R Y B N
Connections Star
Operating Frequency 47Hz to 53Hz
Output Regulation ±1% No load, Full Load
Over load capacity 120%
Correction Rate 60 /30 /25V per Sec 3-Phase
Wave-form distortion Nil
output Wave-form True reproduction of input
Type of Cooling Natural Air Cooled upto 600KVA
System Construction As per IS:9815 - 1994
Efficiency 98%
Insulation Class F
Short-Circuit Period & Percentage 300% for 250 milli seconds
Normal Operation Temperature 0℃ ~ 45℃
Mode of system Fully Automatic
Climate Conditions 90% Rh Max. Non condensing at 35℃
Model and Capacity
  • DSS75 : 75KVA
  • DSS100 : 100KVA
  • DSS250 : 250KVA
  • DSS500 : 500KVA
  • DSS750 : 750KVA
  • DSS1000 : 1000KVA
  • DSS2000 : 2000KVA
  • DSS3000 : 3000KVA