Servo Stabilizer Air Cooled Model

Servo Stabilizer (Air-cooled)

SERVO CONTROLLED VOLTAGE STABILIZERS ARE AVAILABLE IN FOUR MODELS PS analog meter DPM digital meter DPS digital control 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