Three Phase Linear/Roller Based Servo Voltage Stabilizers

Perfect Hertz Three Phase Linear/Roller Based Servo Voltage Stabilizers are engineered to deliver unmatched voltage stability, ensuring smooth operations, higher efficiency, and longer equipment life.

  • Capacity: 30 kVA to 5000 kVA

  • Technology: Linear Type On-Load Voltage Regulators (Vertical Rolling Contact / Columnar Design)

  • Control Module: Microprocessor-Based

  • Frequency: 50 / 60 Hz ± 5%

  • Types: Balanced / Unbalanced

  • Load Variation: 0–100%

  • Installation: Indoor / Outdoor

  • Core Material: CRGO Lamination (Best Grade)

  • Copper: 99.97% Pure Electrolytic Grade

  • Cooling: Oil-Cooled (ONAN) / Air-Cooled (Natural or Forced)

  • Output Voltage: 400V ±1% (Ph–Ph) / 230V ±1% (Ph–N)

  • Input Voltage Range: 300–500V (custom ranges available)

  • Efficiency: Up to 99.5%

  • Duty Cycle: 100% continuous; lifespan 18–20 years under extreme conditions

  • Response Time: <10 milliseconds

  • Correction Rate: 6–15 V/sec (≤500 kVA) / 3–8 V/sec (>500 kVA)

  • Waveform Distortion: Negligible

  • Operating Temperature: -10°C to +45°C

  • Mounting: Unidirectional Wheels

  • Termination: Input/Output via Aluminum Bus Bars

  • Optional Protections: Overload, High/Low Voltage, Short Circuit, Surge Protection, Bypass, Single Phase Preventer

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