DJW-WB/SJW-WB is a single-phase and three-phase microcomputer contactless compensation voltage stabilizer. It integrates compound-winding compensation, contactless switching and microcomputer AC voltage regulation to provide high efficiency, energy saving, fast adjustment and automatic three-phase balance without mechanical malfunction or carbon brush wear.
Technology Characteristics
- Input voltage range: +/-20% or +/-30%.
- Output voltage adjustment range: 1%-5%.
- Voltage stabilization accuracy: +/-3%.
- Efficiency: >95%.
- Absolute value of load power factor: >0.8.
- Strain time: 0.2-0.5s.
- Phase control: split-phase adjustment with automatic balance of three phases.
- Instantaneous overload: can bear 1.5 times instantaneous overload.
- Construction: contactless design with no noise, mechanical abrasion or carbon brush abrasion.
- Protection: over-voltage, under-voltage and phase-failure protection, fault diagnosis, signal display and alarm.
- Standard power supply: single phase 220V, three phase 380V, frequency 47-63Hz.
