• Shenzhen Veikong Electric Co., Ltd.
    Tayfun from Turkey
    Veikong solar pump inverter is really in very good quality and we also prepared some promotional products for exhibition. We are going to make new orders soon. Last year there was only one local agent and this year, there are more than 8. Some of them only sell Veikong!
  • Shenzhen Veikong Electric Co., Ltd.
    Cristian from Chile
    It’s very good! LCD options make it much easier to use. That’s the strong point, easy of use. And robust. Great PC software.
  • Shenzhen Veikong Electric Co., Ltd.
    Brahim assad from Syria
    VEIKONG VFD500 output frequency is stable when the others are fluctuating. Also output current is less than others, that’s why output frequency is higher too which can save more energy.
Contact Person : Terry
Phone Number : 008613923736332
WhatsApp : +8613923736332
Active Power Filter 480a Apf Panel For Dynamic Harmonics Compensation
Place of Origin China
Brand Name VEIKONG
Certification CE
Model Number VKS
Minimum Order Quantity 1
Price Negotiable
Packaging Details Carton
Delivery Time 3 days, depend on the order quantity
Payment Terms Western Union, T/T, L/C, D/A, D/P, PayPal
Supply Ability 15000pcs per Month
Product Details
Product Name Active Power Filter Phase 3 Phase 3 Wire,3 Phase 4 Wire
Usage Steel, Metallurgy, Petrochemical, Railway, Wind Power Function Harmonic Management
Frequency 50/60hz Rated Voltage AC 400V 660V
High Light

Active Power Filter 480a


Harmonic management Active Power Filter

Product Description
Active power filter 480a apf panel for dynamic harmonics compensation
Active power filter(APF/AHF for short) is a perfect comprehensive solution to power quality problems with power grid such as harmonic wave(can filter 2nd to 50th harmonic interference completely), reactive power, and 3 phase load unbalance.APF is connected in parallel in power grid, to detect the harmonic wave in power grid in real time, generate the reverse-phase compensation current through the converter, and dynamically filter the harmonic wave in power grid. The operation of APF is unaffected by power grid structure and load type, and it will not produce harmonic oscillation with the system, thus perfectly realizing harmonic wave control of various loads. APF can also realize dynamic reactive compensation, and control the capacitor switching, to improve the power factor of power grid. Meanwhile, APF has the function of controlling the 3 phase load current unbalance, thus comprehensively solving various power quality problems with power grid.

Active Power Filter 480a Apf Panel For Dynamic Harmonics Compensation 0



Applying world advanced power component

The world advanced IGBT component is applied, and the main circuit is a bridge full-control type PWM converter, which is featured by high power density and high reliability.


Digital control system

DSP high-speed detection and computation is employed, to ensure precise and effective current detection and compensation control; full digital control system is applied, so that the entire control process is realized by the software, to make the entire control system simpler and more reliable.


Monitoring and display system

Intelligent monitoring and display system is applied for flexible operation of the devices, with the operation parameters and working condition displayed clearly, the function of fault self-diagnosis and telecommunication interface for real-time communication with the host computer.


Unique group control system

SIKES is the first APF manufacturer in China that combines both active technology and passive technology to realize an intelligent control system using the active module to control the switching of the passive module, namely an integrated control system, to ensure the reliable operation of the equipment to the most extent.


Active Power Filter 480a Apf Panel For Dynamic Harmonics Compensation 1



Description APF series APF4 series
Single module capacity 25A , 50A , 100A
Capacity of the complete machine 100A , 150A , 200A , 250A , 300A , 400A , 500A
Power supply voltage 400x (l±20%) V or 660x (l±20%) V
Power supply frequency 50x (l±10%) Hz
The number of harmonics can be filtered out 2 times~61 times (eliminate all harmonics or specified harmonics )
Filtering number setting Individual setting for each harmonic wave is allowed
Efficiency Reaching up to 98%
Neutral line filtering capability One to three times of the phase line harmonic current
Total response time £10ms
Compensation mode Harmonic compensation, reactive power compensation or harmonic compensation and reactive power compensation conducted simultaneously
Parallel operation capacity Up to 10 sets of complete machines
Active power loss 3% rated output capacity
Display function (User Interface)

1. Power; power factor; voltage and current value, total current distortion rate, spectrum diagram, current waveform

  • Load current value and filter output current value

3. Operation mode setting, dry node setting, fault information and operation time inquiry

Protection method Input over-voltage, input phase dislocation/loss, over-current, over-heat over-voltage/under-voltage of DC bus and automatic current limiting protection of overload
Cooling mode Forced air cooling
Protection grade IP20/IP52, (higher protection class can be customized)
Color RAL7035
Direction of incoming line U pwa rd/d ownwa rd
Installation environment Indoor installation; recommended altitude for installation shall not exceed 1000m (use with reduced capacity for high altitude)
Dimensions WxDxH(mm) Module: 442x425x88(25A), 440x609x222(50A,100A) FCL: 800x800x2200
Module weight 10kg(25A),30kg(50A),40kg(100A)
Ambient temperature Operating temperature: -25°C~50°C (use with reduced capacity for higher ambient temperature) Storage temperature: -40°C~60°C
Communication Remote RS485 Ethernet communication function (optional), and upper computer monitoring software (optional)
Scope of application Applied to the power grid system with neutral three-phase balance in industrial field, and can filter non-zero sequence harmonics and compensate reactive power Applied to three-phase systems with neutral lines and can filter out harmonics flowing through the phase lines and neutral lines at the same time


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