Active Harmonic Filters (ZAPF series)
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Performance Highlight
• Combination of F.F.T. method and Instantaneous Power theory available for choice
• Combination of power factor correction function (both inductive and capacitive power)
• Wide harmonic filtering range: 2nd~60th harmonic can be filtered
• High efficiency: harmonic filtering rate: more than 95%
• Quick response: Fast dynamic response speed. Response time is 10 ms
• Imbalance rectification available: single-phase dynamic current injection to rectify imbalance of supply system
• Free from resonance due to automatic resonance elimination
• Free from overload due to automatic current-limit output
• Concurrent Var compensation: Filtering and Var compensation available for choice
• LCD is adopted for interface operation, which can live indicate voltage, current and harmonic. Log record is available
• Complete protection includes over voltage, under voltage, over current, over heat, under voltage of control supply and so on
• Parallel-connected operation available: 10 sets can be connected in parallel
• Directly applicable for system below 430V, and applicable for system with voltage higher than 400V when transformer is added
• Plug-and-play design and easy scheme selection, no need for detailed analysis on supply network
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