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Low -voltage dry -type in -line wire electrical antifiers
The frequency converter will generate large harmonics during working. Harmonics are mainly fifth, seventh, eleventh and thirteenth harmonics. The content of harmonics is very high. If the incoming line reactor is not applied, the service life of the frequency converter and other electric devices will be greatly shortened. When the harmonic interference is severe, some devices cannot run normally. After applying the incoming line reactor, the content of harmonics will be significantly reduced, the power factor of the grid will be improved, the safety operation of the frequency converter and other loads will be guaranteed, and it is ensured that other devices will not be interfered by harmonics; application of the outgoing line reactor can inactivate the steepness of the output voltage (switching frequency) of the frequency converter and reduce interference and impact of power elements in the inverter. And this series of reactors can effectively inhibit inrush current in the loop and protect the frequency converter and other elements in the loop from the current surge when switching on the load in an instant.