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




