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

    • Active Harmonic (Power) Filter

    Delta PQC Series - Active Harmonic (Power) Filter - APF

    Technical Specifications

    Mixed Fixed Type

    Rated Voltage
    AC 208 V, AC 400 V, AC 690 V
    Electrical Specification
     
    Input Voltage Range
     
    ● AC 208 V
    AC 166~250 V, AC 166~250 V
    ● AC 400 V
    AC 308~456 V, AC 308~480 V
    ● AC 690 V
    AC 384~880 V
    Electric Connection
     
    ● AC 208 V
    3P4W, 3P3W
    ● AC 400 V
    3P4W, 3P3W
    ● AC 690 V
    3P3W
    Rated Current per Module
     
    ● AC 208 V
    50 A, 75 A, 100 A, 150 A
    ● AC 400 V
    30 A, 50 A, 75 A, 100 A. 150 A
    ● AC 690 V
    100 A
    Rated Current per Cabinet
     
    ● AC 208 V
    50~750 A (Module combination)
    ● AC 400 V
    30~750 A (Module combination)
    ● AC 690 V
    100~500 A (Module combination)
    Rated Frequency
    50(60) Hz ± 10%
    Input Voltage THD Range
    ≤ 15%
    Redundancy
    Each module is an independent filtering system
    Harmonic Elimination Range
    2nd~50th order (Selectable)
    Harmonic Filtering Degree
    0~100% programmable per harmonic in Ampere value
    Harmonic Filtering Performance
    Filter up to 98% harmonics at rated load
     
    THDv < 3%, THDi < 5% after filtering
    Reactive Power Compensation Capability
    Both inductive and capacitive reactive power
    Reactive Power Compensation Performance
    Cosφ ≥ 0.99 after compensation (if the APF capacity is sufficient)
    Imbalance Correction Capability
    Mitigate negative and zero sequence
    Full Response Time
    < 10 ms
    Instant Response Time
    < 100 us
    Thermal Loss
     
    ● AC 208 V
    ≤ 5% of APF rated capacity
    ● AC 400/690 V
    ≤ 3% of APF rated capacity
    Output Current Limitation
    Automatic (100% rated capacity)
    Parallel Expansion (System)
    Up to 10 Racks (7 modules per cabinet)
    MTBF
    > 100,000 hours
    Control Technology
     
    Switching Frequency
    30 kHz
    Controller
    DSP + FPGA
    CT Position
    Grid side or Load side
    Waveform Display
    Input Voltage waveform, Grid current waveform, Load current waveform and APF current waveform
    Harmonic Current Histogram Display
    Grid harmonic current and load harmonic current
    Communication
    Modbus RTU (RS-485), Modbus TCP/IP (Ethernet)
    Physical Specification
     
    IP Grade of Cabinet
    IP20, IP30, IP54, IP55 or customization
    Cooling Method
    Intelligent forced air cooling
    Noise Level
     
    ● AC 208/400 V
    < 65 dB(A) @ 1 m (Module)
    ● AC 690 V
    < 70 dB(A) @ 1 m (Module)
    Dust Filter
    Optional
    Dimension
    Please downlaod the brochure and refer to APF Model table
    Weight
    Please downlaod the brochure and refer to APF Model table
    Environmental Requirement
     
    Ambient Temperature
    -10~50°C
    Relative Humidity
    0~95% (No condensation)
    Altitude
    ≤ 1000 m (Rated Capacity), 1000-3000 m (De-rating 1% per 100 m)

    Rear/ Front Connection Type

    Rated Voltage
    AC 400 V, AC 690 V
    Electrical Specification
     
    Input Voltage Range
     
    ● AC 400 V
    AC 308~456 V, AC 308~480 V
    ● AC 690 V
    AC 384~880 V
    Electric Connection
     
    ● AC 400 V
    3P4W, 3P3W
    ● AC 690 V
    3P3W
    Rated Frequency
    50(60) Hz ± 10%
    Input Voltage THD Range
    ≤ 15%
    Rated Current per Module
     
    ● AC 400 V
    50 A, 75 A, 100 A
    ● AC 690 V
    100 A
    Rated Current per Cabinet
     
    ● AC 400 V
    50~700 A (Module combination)
    ● AC 690 V
    100~500 A (Module combination)
    Redundancy
    Each module is an independent filtering system
    Harmonic Elimination Range
     
    ● AC 400 V
    2nd~50th order (Selectable)
    ● AC 690 V
    2nd~31st order (Selectable)
    Harmonic Filtering Degree
    0~100% programmable per harmonic in Ampere value
    Harmonic Filtering Performance
    Filter up to 98% harmonics at rated load
     
    THDv < 3%, THDi < 5% after filtering
    Reactive Power Compensation Capability
    Both inductive and capacitive reactive power
    Reactive Power Compensation Performance
    PF ≥ 0.99 after compensation (if the APF capacity is sufficient)
    Imbalance Correction Capability
     
    ● AC 400 V
    Mitigate negative and zero sequence
    ● AC 690 V
    Mitigate negative sequence
    Full Response time
    < 20 ms
    Instant Response time
    < 100 us
    Thermal Loss
    ≤ 3% of APF rated capacity (kVA)
    Output Current Limitation
    Automatic (100% rated capacity)
    Parallel Expansion(System)
    Up to 10 Racks (7 modules per cabinet)
    MTBF
    > 100,000 hours
    Control Technology
     
    Switching Frequency
     
    ● AC 400 V
    60 kHz, 30 kHz
    ● AC 690 V
    30 kHz
    Controller
    DSP control
    Communication
    Modbus RTU (RS-485), Modbus TCP/IP (Ethernet)
    Physical Specification
     
    IP Grade of Cabinet
    IP20, IP30, IP42, IP54 or customization
    Cooling method
    Intelligent forced air cooling
    Noise Level
     
    ● AC 400 V
    < 65 dB(A) @ 1 m (Module)
    ● AC 690 V
    < 70 dB(A) @ 1 m (Module)
    Dust Filter
    Optional
    Dimension
    Please downlaod the brochure and refer to APF Model table
    Weight
    Please downlaod the brochure and refer to APF Model table
    Environmental Requirement
     
    Ambient Temperature
     
    ● Rear connection type
    -10~50°C with 100% capacity, de-rating running from 50~55°C
    ● Front connection type
    -25~40°C with 100% capacity, de-rating running from 40~55°C
    Relative Humidity
    0~95% (No condensation)
    Altitude
    ≤ 1000 m (Rated Capacity), 1000-2000 m (De-rating 1% per 100 m)
    * All specifications are subject to change without prior notice.
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