220vac 32A 50a Systematic Emi Power Line Filter Design For Smps Vfd Noise Filter rf shielding

1P 220VAC 50/60 Hz16A EMI POWER LINE FILTER FOR RF SHIELDING ROOM

Power line filter's principle is an impedance adaption network: the larger the impedance mismatching between line filter input & output side and power & load side, the more effective the attenuation of electromagnetic interference (EMI). The specific working principle is as follows. After AC is rectified by diode, the direction is single, but the current intensity is still constantly changing. Generally, this ripple DC is not directly used to power supply. To make the ripple DC into a smooth waveform, one thing need to be done, that is filtering. In other words, the task of filters is to reduce the ripple in the output voltage of the rectifier as much as possible and transform it into near constant DC.

The commonly-used filter circuits of power line filters have passive filtering and active filtering. The main forms of passive filtering are capacitive filtering, inductive filtering and complex filtering (including inverted L-type, LC filtering, LC π-type filtering and RC π-type filtering, etc.). The main form of active filtering is active RC filtering, also known as electronic filters. The magnitude of the ripple component in DC electricity is represented by the ripple coefficient S: the larger the value, the worse the filtering effect of the filter.

1. Our technical service team learn many kinds of test standard such as industrial application (IEC61800-3 for frequency inverter drive EN12015 for elevator EN55011 for ISM device etc) and military application (GJB151A GJB152A etc).We can solve EMI problem quickly effectively and low-costly.
2. Our test equipment: LCR digital bridge/voltage proof tester/insulation resistance tester/spectrum analyzer/inductor tester/standard signal source/shield room/interference intensity tester etc
3. Our product: EMI filter for general purpose/EMI filter for frequency inverter/EMI filter for shielding facility/EMI filter for military application
4. Our advantage: high quality/high cost-effective/short lead time
5. Our service: all products have two years guarantee

We are a professional and famous EMI filter manufacturer.

Our technical team has more than 10 years’ experience in designing EMI filter. We know UL VDE CSA CE CQC etc safety standard very well.

Our technical service team learn many kinds of test standard such as industrial application (IEC61800-3 for frequency inverter drive EN12015 for elevator EN55011 for ISM device etc) and military application (GJB151A GJB152A etc).We can solve EMI problem quickly effectively and low-costly.

Our test equipment: LCR digital bridge/voltage proof tester/insulation resistance tester/spectrum analyzer/inductor tester/standard signal source/shield room/interference intensity tester etc

Our product: EMI filter for general purpose/EMI filter for frequency inverter/EMI filter for shielding facility/EMI filter for military application

Our advantage: high quality/high cost-effective/short lead time

Our service: all products have two years guarantee

Our main customers: frequency inverter drive and servo drive system/MRI shielding system/solar inverter system/rail transit system etc