GENERAL-SITC of AC unit at UTM Machine Room KHRI Kazhakuttam-Voltage stabilizer work-General Electrical Work

Voltage stebilizer

OD274640/2025-2026:Supply, installation, testing and commissioning of 3-150 kVA SERVO CONTROLLED VOLTAGE STABILISER 3 Phase Unbalanced Air cooled Microprocessor controlled Digital Voltage, Current & Frequency display Comprehensive protection Input voltage range (V L-L) * Output voltage (V L-L) * 3 Phase Unbalanced Air cooled 3-150 Air 310-480 / 340-480 / 360-460 415 (380V/400V - optional) 3 Phase Unbalanced Oil cooled 3-2000 Oil Output Voltage Regulation Input frequency range Efficiency Effect of Load Power Factor Waveform Distortion Type of Servo Control Servo Motor Drive Under/ Over Voltage cutoff * Overload cutoff Short circuit protection Single phasing prevention Phase Reversal Trip Stabiliser bypass Transient Suppression Emergency Off Switch Frequency cut off protection Input High Voltage Trip Resetting mode Display Type Parameters displayed Parameters displayed LED indications Input / Output Terminations 1% of nominal output voltage 47Hz ? 53Hz >97% Nil Nil Micro Controller based True RMS sensing and correction Triac based drive for AC Step Synchronous motor Electronic cutoff circuit with graded time delay, set @ +5% / -10% of nominal output voltage CT based Electronic cutoff circuit with graded time delay set @ 110% of rated full load current MCB / MCCB provided upto 100 kVA. Above 100 kVA HRC fuse (MCCB optional) Provided Provided Provided up to 50 kVA 3-phase; Optional > 50 kVA Spike Suppression through MOV is provided (Surge Arrestor is optional) Provided Optional Optional Manual / Auto option provided with programmable time delay 2 Line LCD Panel Input & Output Voltages (Line & Phase), Output Currents & Frequency Fault Annunciation, Event Log Bolted Terminals up to 100kVA,Busbar 125kVA and above * Custom settings or ranges possible.