• Delta Power Quality Solutions - Active Harmonic (Power) Filter
  • Active Harmonic (Power) Filter


    Multifunctional: Harmonic, reactive power and imbalance compensation
    Harmonic Elimination Range: 2nd~50th order (Selectable)
    High harmonic filtering rate: Up to 98%
    Excellent reactive compensation: High speed, Precise (-0.99 ≤ PF ≤ 0.99), Step-less, Bi-directional (capacitive and inductance) compensation
    Excellent imbalance correction: Both negative and zero sequence, mitigates neutral current
    Wide input voltage & frequency range, adapts to tough electrical environments
    Low thermal loss and high efficiency
    High stability: Infinite impedance to grid, avoids harmonic resonance problems
    Flexible application: Modular design, embedded in standard or customized cabinet
    Easy installation and maintenance: Plug-in installation for APF module replacement and expansion
    Wide capacity range: 30~750 A for a single cabinet, up 10 cabinets in parallel
    Environmental adaptability: -10~50°C temperature, compatible with diesel generator
    Complete protection: Grid Over/Under voltage, APF over current, over temperature, and more. All faults are recorded in the event log, which is convenient for failure analysis
    Waveform display function on HMI: Display waveform of input Voltage, Grid current, Load current and APF current
    Display Harmonic current Histogram on HMI: Grid harmonic current and load harmonic current
    CTs’ reversal auto correction can be setted on HMI, support grid side or load side current detection
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