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Wall-Mounted Active Power Filter Compensation Module

The active filtering compensation module is a modular product specially developed by Guangda Electric for dynamic harmonic mitigation in 0.4 kV power supply systems. Connected in parallel with the grid, it uses an external current transformer to continuously monitor the load current. Leveraging DSP, FPGA, and CPLD chips, along with cutting-edge rapid harmonic mitigation and reactive power extraction technologies, it swiftly analyzes the harmonic and reactive components of the load current. Based on user-defined setpoints, it generates PWM pulses to drive a bidirectional converter composed of three-level IGBT modules, thereby producing compensation currents that meet grid requirements. This enables dynamic, precise compensation of harmonic and reactive currents, ultimately enhancing power quality. Active modular power quality products comprise three types of modules: Static Var Generators (SVG), Three-Phase Unbalance Controllers (ASVG), and Active Power Filters (APF).

Category:

Intelligent Filter Compensation Module

Product Manual

Hotline:

18028173868

Product Consultation
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    • Commodity name: Wall-Mounted Active Power Filter Compensation Module

    The active filtering compensation module is a modular product specially developed by Guangda Electric for dynamic harmonic mitigation in 0.4 kV power supply systems. Connected in parallel with the grid, it uses an external current transformer to continuously monitor the load current. Leveraging DSP, FPGA, and CPLD chips, along with cutting-edge rapid harmonic mitigation and reactive power extraction technologies, it swiftly analyzes the harmonic and reactive components of the load current. Based on user-defined setpoints, it generates PWM pulses to drive a bidirectional converter composed of three-level IGBT modules, thereby producing compensation currents that meet grid requirements. This enables dynamic, precise compensation of harmonic and reactive currents, ultimately enhancing power quality. Active modular power quality products comprise three types of modules: Static Var Generators (SVG), Three-Phase Unbalance Controllers (ASVG), and Active Power Filters (APF).

    The active filter compensation module is a modular product developed by Guangda Electric specifically for dynamic harmonic mitigation in 0.4 kV power supply systems. Connected in parallel with the grid, it uses an external current transformer to continuously monitor the load current. Leveraging DSP, FPGA, and CPLD chips, combined with state-of-the-art fast harmonic mitigation and reactive power extraction technologies, it rapidly analyzes the harmonic and reactive components of the load current. Based on user‑defined setpoints, it generates PWM pulses that drive a bidirectional converter composed of three‑level IGBT modules, producing compensation currents that meet grid requirements. This enables dynamic, precise compensation of harmonic and reactive currents, thereby enhancing power quality.

     

    Product Features:

    ► The module control single-board enclosure achieves an IP6X dust‑proof rating, with effective isolation between the control and power sections.

    ► Using the SOGI algorithm, the device’s total response time is less than 2 ms.

    ► Vertical modular design, saving space and reducing the number of cabinets; single-cabinet capacity: 600 kvar.

    ► Industry-leading IGBT redundancy design ensures that a single‑channel failure does not affect normal system operation.

    ► The output employs an interleaved parallel control scheme, which can reduce ripple current by nearly 40%.

    ► Intelligent sleep mode and a parallel‑operation system employ a round‑robin scheduling mechanism, evenly distributing workload under low‑load conditions to extend module lifespan.

    ► The operating status of each module can be monitored remotely.

    ► The APF can instantaneously compensate harmonics from the 2nd to the 51st order, offering a broader compensation range.

    ► The ASVG can compensate harmonics from the 2nd to the 23rd order, and both the harmonic compensation capacity and the reactive power compensation capacity can be set over the full range.

    ► SVG can provide full-range, instantaneous compensation for both inductive and capacitive reactive power, while simultaneously addressing three-phase imbalance.

     

    Technical Specifications:

    System Parameters

    Grid voltage

    400V (-40% to +20%)

    Grid frequency

    50 Hz/60 Hz (±10%)

    Number of units that can be paralleled

    Unlimited

    Overall machine efficiency

    ≥98%

    Wiring method

    Three-phase three-wire / Three-phase four-wire

    Heat loss

    <2%

    CT Instrument transformer

    150/5~10000/5

    Inbound method

    Downstream line/Upstream line

    Airflow method

    Front and back / Top and bottom

    Performance Metrics

    Response time

    <2ms

    Number of filtering iterations

    APFGD: 2–51 times; ASVGGD: 2–23

    Cooling mode

    Smart Air Cooling

    Noise Indicator

    <58dB

    Fixed method

    Drawer-style, wall-mounted, freestanding

    Environmental parameters

    Altitude

    ≤2000m, 2000m–4000m derating

      Operating temperature

    -10℃ to +50℃ (derated operation above 40℃)

    Relative humidity

    5%~95%, non-condensing

     

    Specification and Model Description:

    Rack-Mount (Drawer-Type) Module Selection Table

    Products and Models

    Installation dimensions (mm)

    Mounting hole (mm)

    Rated capacity

    W

    D

    H

    A

    B

    APFGD-50A/0.4-4M

    540

    660

    150

    525

    100

    50A

    APFGD-100A/0.4-4M

    100A

    APFGD-150A/0.4-4M

    170

    150A

    SVGGD-35kvar/0.4-4M

    150

    35kvar

    SVGGD-70kvar/0.4-4M

    70kvar

    SVGGD-100kvar/0.4-4M

    170

    100kvar

     

     

                                                                Vertical Module Selection Table

    Products and Models

    Installation dimensions (mm)

    Mounting hole (mm)

    Rated capacity

    W

    D

    H

    A

    B

    APFGD-50A/0.4-4L

    165

    685

    570

    145

    550

    50A

    APFGD-100A/0.4-4L

    100A

    APFGD-150A/0.4-4L

    185

    685

    570

    165

    550

    150A

    SVGGD-35kvar/0.4-4L

    165

    685

    570

    145

    550

    35kvar

    SVGGD-70kvar/0.4-4L

    70kvar

    SVGGD-100kvar/0.4-4L

    185

    685

    570

    165

    550

    100kvar

     

     

    Wall-Mounted Module Selection Chart

    Products and Models

    Installation dimensions (mm)

    Mounting hole (mm)

    Rated capacity

    W

    D

    H

    A

    B

    APFGD-50A/0.4-4W

    500

    178

    660

    460

    635

    50A

    APFGD-100A/0.4-4W

    100A

    APFGD-150A/0.4-4W

    198

    150A

    SVGGD-35kvar/0.4-4W

    178

    35kvar

    SVGGD-70kvar/0.4-4W

    70kvar

    SVGGD-100kvar/0.4-4W

    198

    100kvar

     

    Product Selection:

     

    Product Dimensions Diagram:

     

    Design Requirements

    1. 1. All active modules are equipped with ventilation systems; the cabinet’s front panel must feature a perforated, ventilated design, and the rear panel must be fitted with a fan.
    2. 2. For a single cabinet with a capacity ≤ 300 kvar (A), the rear door must be equipped with four fans, each providing an exhaust airflow of no less than 40 m³/min.
    3. 3. For single cabinets with a capacity greater than 300 kvar (A), six fans must be installed on the rear door, with an exhaust airflow rate of no less than 60 m³/min.
    4. 4. When natural air cooling at the installation location of the active module cabinet is insufficient, an air-conditioning system must be installed in the room.
    5. 5. The equipment should undergo a power-off maintenance every three months, during which the cabinet door is opened and dust is cleaned out.
    Key words:
    • Active filter
    • active filtering

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Wall-Mounted Active Power Filter Compensation Module

Wall-Mounted Active Power Filter Compensation Module

The active filtering compensation module is a modular product specially developed by Guangda Electric for dynamic harmonic mitigation in 0.4 kV power supply systems. Connected in parallel with the grid, it uses an external current transformer to continuously monitor the load current. Leveraging DSP, FPGA, and CPLD chips, along with cutting-edge rapid harmonic mitigation and reactive power extraction technologies, it swiftly analyzes the harmonic and reactive components of the load current. Based on user-defined setpoints, it generates PWM pulses to drive a bidirectional converter composed of three-level IGBT modules, thereby producing compensation currents that meet grid requirements. This enables dynamic, precise compensation of harmonic and reactive currents, ultimately enhancing power quality. Active modular power quality products comprise three types of modules: Static Var Generators (SVG), Three-Phase Unbalance Controllers (ASVG), and Active Power Filters (APF).

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