Harmonic filter
Using the principle of electromagnetic induction and reactor, professional development, using high-performance filter capacitors in series with high linearity filtering device, combined into a filter compensation system, while compensating for reactive power in the absorption system. The dynamic reactive power compensation and filtering functions are integrated into one, which can quickly follow the load change, suppress current fluctuations, absorb power grid harmonics and improve power utilization efficiency.
Reference / implementation standards:
IEEE 519 (EN 61000-5-2) Electromagnetic Compatibility (EMC)
EN 61558-2-20 (VDE 507-2-20) Safety of power supply equipment and similar equipment
GB 145493-93 Power Quality Utility Grid Harmonics
Harmonic filter application schematic
Applications
The harmonic filter is designed to substantially eliminate harmonic current distortion caused by a pulse rectifier. The harmonic filter is a passive series of low-pass filtered inductor-capacitor systems for eliminating three-phase full-wave frequency conversion. The unique low-frequency harmonics generated by the load, such as 5, 7, 11, and 13 times, do not require single adjustment or phase shifting by different harmonic sources. The harmonic content can be controlled up to 8%.
Harmonic filters are commonly used in three-phase electronic devices such as adjustable speed AC/DC motor drives, welding machines, battery chargers, uninterruptible power supplies (UPS), induction heating devices, servos, and other electronic devices. Unlike other harmonic filter technologies, harmonic filter pairs
The filtering result is guaranteed. In AC variable frequency and variable torque applications (fans and pumps), the harmonic filter must satisfy the maximum THID (total harmonic current distortion) at full load no higher than the guaranteed percentage. In addition, the harmonic filter neither causes resonance of the power system nor absorbs harmonics from other non-linear loads.
Using the principle of electromagnetic induction and reactor, professional development, using high-performance filter capacitors in series with high linearity filtering device, combined into a filter compensation system, while compensating for reactive power in the absorption system. The dynamic reactive power compensation and filtering functions are integrated into one, which can quickly follow the load change, suppress current fluctuations, absorb power grid harmonics and improve power utilization efficiency.
Reference / implementation standards:
IEEE 519 (EN 61000-5-2) Electromagnetic Compatibility (EMC)
EN 61558-2-20 (VDE 507-2-20) Safety of power supply equipment and similar equipment
GB 145493-93 Power Quality Utility Grid Harmonics
Harmonic filter application schematic
Applications
The harmonic filter is designed to substantially eliminate harmonic current distortion caused by a pulse rectifier. The harmonic filter is a passive series of low-pass filtered inductor-capacitor systems for eliminating three-phase full-wave frequency conversion. The unique low-frequency harmonics generated by the load, such as 5, 7, 11, and 13 times, do not require single adjustment or phase shifting by different harmonic sources. The harmonic content can be controlled up to 8%.
Harmonic filters are commonly used in three-phase electronic devices such as adjustable speed AC/DC motor drives, welding machines, battery chargers, uninterruptible power supplies (UPS), induction heating devices, servos, and other electronic devices. Unlike other harmonic filter technologies, harmonic filter pairs
The filtering result is guaranteed. In AC variable frequency and variable torque applications (fans and pumps), the harmonic filter must satisfy the maximum THID (total harmonic current distortion) at full load no higher than the guaranteed percentage. In addition, the harmonic filter neither causes resonance of the power system nor absorbs harmonics from other non-linear loads.