For Product Enquiry and Customer support call toll free no 1800-425-3927

Servo Stabilizer (Air-cooled)

 
 
SERVO CONTROLLED VOLTAGE STABILIZERS ARE AVAILABLE IN FOUR MODELS
  1. PS analog meter
  2. DPM digital meter
  3. DPS digital control
  4. DCM DC motor control for high speed of correction
CAPACITIES : 1) 0.5 KVA to 40 KVA I PH
  2) 1.5 KVA to 200 KVA 3 PH
   
SPECIFICATIONS :  
Input Voltage Range 300 V – 460 V AC 50 Hz 3 PH
Other Input Ranges 245 V- 460 V AC 3Ph
340 V- 460 V AC 3Ph
360 V- 460 V AC 3Ph
other ranges as per customer requirement
Output Voltage 380 V / 400 V/ 415 V AC 3Ph 50 Hz
System Unbalanced 4 Wire : R Y B N
Connections Star

 
 
Operating Frequency 47 Hz to 53 Hz
Output Voltage Adjustable 380 V to 415 V AC in 3Ph
220 V to 240 V AC in 1Ph
Output Voltage Regulation ± 1%
Over Load Capacity 120%
Correction Rate 15 V / 20 V / 35 V / Sec-1Ph
25 V / 35 V / 60 V / Sec-3Ph
110V/Sec for D.C. Motor controlled
Waveform Distortion Nil
Output Waveform True Reproduction of Input
Insulation Class 'B'
Short CKT Period & percentage 300 % for 250 m.sec.
Normal Operating Temperature 0ºC to 45ºC
Climatic Conditions 90 % RH.Max.Non-Condensing at 35º C
Mode of System Fully Automatic / Manual
System Construction
AS PER IS : 9815 of 1994
 
STANDARD PROTECTIONS
  • Low voltage protection
  • High Voltage protection
  • Overload Protected with MCB / MCCB
  • Single Phasing Preventer
PANEL INDICATIONS
 

Input

– ON

Output

– ON

Input

 – Low

Input

– High

Output

– Cut-off
 
PANEL METERS
  • Volt Meter With Selector Switch to read Input/Output Voltages, phase to phase and phase to neutral.
  • Ammeter With Selector Switch (From 15 KVA 3Ph onwards )
OPTIONAL ACCESSORIES IN 3 Ph SYSTEM
  • Input Under / Over Voltage Trip
  • Output Under / Over Voltage ALARAM
  • Digital Voltmeter / Ammeter
  • Frequency Meter (Digital / Analog)
  • Frequency Trip High / Low Adjustable (With setting thumb Wheel switch)
  • MCB/MCCB For Output
  • Dimmer Protection Arrangement
  • Phase Reversal Protection

 
SAILENT FEATURES
 
Quick Response Quickest response time 10 ms.(half a cycle)
High Overload capacity Higher overload capabilities for high starting and regenerative currents repeated frequency in CNC Machines.
Fast Correction Fastest rate of correction up to 70 V/sec.
No Hunting, No Oscillations,
No Noise Generation		 Machine – Wound Variable Auto Transformer, with special Carbon Brush to minimize carbon deposit and for smooth commutation.
 
ENERGY SAVINGS

  • Better efficiency of 98% achieved by use of prime grade Lamination.

  • Electrolytic copper wires of 99.99% purity.

  • Special designed transformers to minimize losses.

  • Also, Special sensing circuit to ensure constant Output Voltage even with distorted input from D.G. set. Conforms to stringent Defence specifications. Tropicalised design