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product overview

zgw6 series high voltage dc disconnector is installed in dc field of convertor station and high voltage side of dc filter, used in circuit switch under unload condition. it will carry out electrical isolation on electrical apparatus including high voltage busbar under maintenance, converter valve and smoothing reactor and high circuits and provide safe and visible insulation clearance meeting the requirements for equipment under maintenance and maintainers; the disconnector installed in the high voltage side of dc filter possess certain capacity to making harmonic current.

structure and characteristics

1.zgw6 series high voltage dc disconnector adopts two column horizontal single arm folded plug-in structure and is independently developed by our company which owns entire independent intellectual property.

2.the overall structure of product is mechanical manual single arm folded type with advanced design principle.

3.the moving and fixed contacts of conductive system adopts sealing structure and can effectively reduce external influence on contact fingers.

4.the plug-in structure and main and auxiliary contact fingers can guarantee the reliable closing and opening operations of contact parts. after closing, it can maintain benign working condition.

5.the main contact finger adopts winter-sweet ring structure to ensure multiple points contact and satisfy operation requirements of long term large current.

main technical parameters