Automatic Servo Controlled AC Voltage Stabilizer

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Vener7's Automatic Servo Controlled AC Voltage Stabilizer with manual operation serves to all short circuit problems. These are suitable for 3 phase unbalanced supply and load. It also gives auto phase correction in case of the phase reversal. These voltage stabilizers control all delays on circuits for the electrical appliances.

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Automatic Servo Controlled AC Voltage Stabilizer

Technical Specifications - Model SVS34L3500
Rating 500 kVa, 3 Phase
Output Current 721.70 Amps per phase
Input Voltage Range 340V to 460V, 47 - 53Hz, 4 Wire
Output Voltage 400V +/- 1%
Duty Cycle Continuous 24x7
Waveform Distortion Nil
Response Time Less than 10ms
Suitability Suitable for all power factor loads
Cooling Natural Oil Cooled
Class of Insulation A Class
Breakdown Strength & IR 1500V AC for 2 minutes. Greater than 50 Mega Ohms at 500V DC
Additional Facility Manual Operation
Installation Indoor type
Degree of Protection IP-30
No Load Loss Less than 0.4 %
Efficiency 98-99%
Applicable Standard IS 9815
Type & Suitability
  • Unbalanced Supply and Load. Suitable for 3 phase Unbalanced/ balanced Supply & Unbalanced/Balanced Load.
  • The unit consists of 3 nos. Single phase individually AC servo motor controlled units of 1/3rd of the total capacity connected in Star configuration.
Input / Output Termination On Copper Bus Bar
Transformer Oil New Insulating Transformer Oil ISI 335 marked
CE Conformity EN61558-1:2005 + A1:2009
Winding & Wiring Material Copper EC grade (99.9% Pure)
Optional Features and Protections
  • Overload Cut-Off and Short Circuit Protection.
  • Low / High Voltage (out of input range) Alarm and / or Cut-Off.
  • Single Phase Prevention Alarm and / or Cut-Off.
  • High Temperature Alarm and / or Cut-Off.
  • Reverse Phase Cut-Off.
  • Auto Phase Correction in case of Phase Reversal.
  • Spike and surge protection
  • Ammeter, Temperature Meter, Digital Ammeter, Digital Voltmeter.
  • Stabilizer By Pass System
  • Remote control of stabilizer (with wires)
  • Earth fault protection
  • Delay on Circuits
Due to new innovations & improvements the technical specifications are subject to change.
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