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DC Filter

Views: 1     Author: Site Editor     Publish Time: 2020-09-24      Origin: Site Inquire

As an important equipment of converter station, DC filter is installed  between DC high voltage bus and neutral bus, which is the most effective means to suppress DC harmonics in HVDC. The DC filter plays an important role in the safe and stable operation of DC transmission system.

Each converter station is equipped with two sets of three tuned TT 12/24/36 passive filters, and each filter has two identical control protection devices.

High voltage capacitor, high voltage reactor, low voltage capacitor, low voltage reactor and other parts compose the DC filter. According to  the protected object of DC filter, differential protection and detuning protection are set for the whole filter. Unbalanced protection, overload protection and bridge differential overcurrent protection are set for high voltage capacitors. Reverse time overcurrent protection is set for high voltage reactors. Overload protection is set for low voltage resistors / reactors.

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Changzhou Noordin Etech Co., Ltd
Changzhou Noordin Etech Co., Ltd is a high technological enterprise including the national defense and EMC, specialized in designing, manufacturing and marketing.