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400V 50A 100A 150A Modular Design IGBT Based Rack Plug-in Type Active Power Harmonic FilterUS$ 5,000 - 50,000MOQ: 1 Unit -
400V 50A 100A 150A Modular Parallel IGBT Based Wall Mounted Type Active Power Harmonic FilterUS$ 5,000 - 50,000MOQ: 1 Unit
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690V 400V 380V 50A 100A 150A Modular Design IGBT Based Cabinet Type Free Parallel Active Power Harmonic FilterUS$ 5,000 - 50,000MOQ: 1 Unit
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Latest Intelligent APF Active Power Filter With IGBT SwitchUS$ 1,000 - 1,000MOQ: 20 Pieces
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Active Power Filter (APF), Automatic Power Factor CorrectionUS$ 1,000 - 1,000MOQ: 20 Pieces
Latest research APF Active Power Filter module design
7 Generation APF was comming!!!
General Description
Active Harmonic Filter is an electronic device using logical circuit to observe and input current. It is composed of power supplied converter and connected in parallel with source of harmonics, implementing harmonic filtering, voltage fluctuation control, resonance restrain and improve power factor.
Applications
UPS Systems acting with generator supply
Commercial centres, hospitals, hotel utilizing computers system/other appliances
Battery charging units
Compensation of printing machines
Extruders in plastic industries
Punches in pharmaceutical Industry
Benefits
Significantly reduced voltage waveform distortion
Reduced voltage drops on transformers and cables
Reduced temperature rise on transformers and cables
No risk of harmonic resonance/Improve power factor
APF adopts innovative intelligent control algorithm, through space vector modulation technology, generates compensation current with equal value and opposite direction to harmonics and reactive power and puts it into electric network and achieves harmonic suppression and reactive power dynamic compensation.
Active Power Filter other features
- Have user-friendly operating software for easy operation.
- Could withstand load short circuit shock, and restart after removal of short circuit.
- Automatically eliminate resonance, not affected by electric network impedance and system impedance change.
- Could simultaneously filter 2-50 harmonics in three-phase four -line distribution system, and is able to choose compensation or not for each harmonic from 2-50 harmonics .
- The system has fast and complete fault self detection features, including undervoltage or overvoltage , overcurrent, fan failure , power devices over temperature , input fuse failure etc. fault self detection, all fault could be alarmed by APF and automatically taken corresponding actions.
- APF’s high-frequency carrier itself can not be feedback to electric network.
- Overcompensation must be avoided during filtering, i.e. APF could realize only filtering without generating reactive power to avoid over compensation completely, or by setting target power factor, the remaining energy after filtering is used for reactive power compensation.
- Have soft start control loop to avoid too large inrush current while starting and to limit the current within rated range.
- When the system is powered down, the filter could be automatically disconnected; After system recovery, the filter can be automatically restored.
- User could realize status monitoring and control setting through filter controller, including password lock, data measurement, control setting, event logging, status monitoring and alarm etc. functions.
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