GI series 1000w 3000w solar inverter
Composition of power filter
Power filter is a filter circuit composed of capacitors, inductors and resistors, also known as "power EMI filter", or "EMI power filter", a passive bidirectional network, one end of which is the power supply and the other end is the load . The principle of the power filter is a kind of impedance adaptation network: the greater the impedance adaptation between the input and output sides of the power filter and the power supply and load sides, the more effective the attenuation of electromagnetic interference. The filter can effectively filter the frequency point of a specific frequency in the power line or the frequency other than the frequency point to obtain a power signal of a specific frequency, or eliminate the power signal of a specific frequency.
the role of the power filter
The function of the power line filter is to prevent the electromagnetic interference generated by the device itself from entering the power line, and to prevent the interference on the power line from entering the device.A power line filter is a low-pass filter that allows DC or 50Hz operating current to pass, but does not allow higher frequency EMI currents to pass.The power line filter is bidirectional, it can not only prevent the interference on the power grid from entering the equipment and have an adverse effect on the equipment, so that the equipment can meet the requirements of conduction sensitivity; it can also prevent the electromagnetic interference in the equipment from passing through.
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