We are the manufacturer of Three Phase Servo Voltage Stabilizer from Delhi. Its features are:-1) Fast Correction Rate and Very High Efficiency.2) Works over wide input frequency range and no waveform distortion.3) Specially designed high performance microprocessor controller circuit ultra high reliability.4) Auto-Manual Operation facility.5) Over voltage and under voltage indicators.6) Unaffected by loaf power factor.7) All components used are of repeated makes confirming to relevant IS/BS Standards.