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STATIC VOLTAGE STABILIZER

Static Voltage Stabilizer is an IGBT-based PWM type buck-boost voltage stabilizer that offers tight regulation and fast correction speed — capabilities impossible to achieve using conventional methods such as servo voltage stabilizers, SCR / triac type stabilizers, and relay-type stabilizers.

This is especially useful in places that require very fast correction speed, constant output voltage, overload current limiting, short-circuit protection, soft start, high-voltage cut-off and low-voltage cut-off, automatic bypass, no wear and tear, long life, and maintenance-free operation — benefits not possible with conventional relay-type or servo control stabilizers.

Since the circuit is fully solid-state (with no mechanical or moving parts), it avoids wear and tear such as brush deterioration in servo stabilizers or relay degradation found in relay-based stabilizers.

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FEATURES

  • Direct AC-AC conversion without rectifying to DC improves efficiency, reliability, and reduces components.
  • Rapid cycle-by-cycle correction of output to fix sudden line-voltage fluctuations.
  • Output regulation of +/- 1%, which is impossible in conven- tional stabilizers.
  • No distortion in output waveform.
  • Automatic bypass in case of failure.
  • Compact size and lightweight.
  • 20 kHz PWM control.
  • Highly reliable IGBT power stage.
  • Fully solid-state — no moving parts, resulting in longer life and zero maintenance.
  • Silent operation.

HIGHLIGHTS

  • Instantaneous correction speed — over 20,000V per second
  • Discrete IGBT up to 30 kVA single phase and 90 kVA three phase
  • Single PCB for control stage, IGBT driver section, and power stage
  • Single contactor for three-phase system
  • Individual contactor for three-phase system (optional)
  • Single LCD for three phases
  • All protections included — low voltage, high voltage, overload, and short circuit

SEPCIFICATIONS