EMI High Frequency 2 Stage Power Supply EMI Filter Low-p Filter Board 25A Power Supply Filter for Frequency Automation System

EMI High Frequency 2 Stage Power Supply EMI Filter Low-pa Filter Board 25A Power Supply Filter for Frequency Automation System

Explanation:

Power EMI filter is a reactive low-pa filter installed at the power inlet of electronic equment, which can not only suppre the noise interference transmitted through the power line of the power grid, but also suppre the high-frequency interference signal string generated by the electronic equment itself. into the power grid, endangering other electronic equment. Therefore, EMI has become a device that must be installed in electronic equment.

Power supply noise is a kind of electromagnetic interference, and the frequency spectrum of its conducted noise is roughly 10kHz to 30MHz, and the maximum can reach 150MHz. According to the different propagation directions, power noise can be divided into two categories: one is the external interference introduced from the power supply line, and the other is the noise generated by the electronic equment and conducted through the power line. This shows that the noise is a two-way interference signal, and the electronic device is both an object of noise interference and a noise source. From the perspective of formation characteristics, noise interference is divided into two types: series mode interference and common mode interference. Series mode interference is the noise between two power lines (line-to-line for short). Common mode interference is the noise of the two power lines to the ground (referred to as line-to-ground). Therefore, the electromagnetic interference filter should meet the requirements of electromagnetic compatibility (EMC), and must also be a two-way radio frequency filter. Noise interference is emitted from the outside, so as not to affect the normal operation of other electronic devices in the same electromagnetic environment. In addition, the electromagnetic interference filter can suppre both series mode and common mode interference.

Features:

1. This is a reactive low-pa filter with obvious filtering effect.

2. This product is widely used in precision measuring instruments, building automation, precision mechanical equment, elevators, hoisting equment, automation syst, calculator office equment, servo system inverter equment, frequency conversion equment, lighting, information and communication equment, UPS Switching power supply, automotive electronics and other equment.

Notice:

EMI filters should be installed at the power inlet to reduce radiated interference.

The E point of the EMI filter and the chais must be in good contact and connected to the ground wire.

The selection of EMI filter should consider its working voltage, working current and withstand voltage value.

It is better to use double glue line for EMI filter connection line, which can eliminate some high-frequency interference signals.

The input and output lines of the EMI filter should not be parallel, and a certain distance should be opened to ensure the function of the filter.

Shping list:

Module X1

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