Recently, the newly developed marine medium voltage switchboard developed by Jiangsu Changshu Rui Te Electric Co., Ltd. successfully passed the test of various technical indicators before leaving the factory and will be delivered to users. The company's two-year development of medium-voltage switchboards for large-capacity ships has finally come to an end.
This type of power distribution board is a draw-out switchgear, which is a small-scale integrated power distribution device for marine three-phase AC 50 Hz medium voltage power system single bus and busbar segmentation system; rated voltage is 3-12 kV, rated The frequency is 50 Hz and 60 Hz, the rated current is 630-1600 amps, the enclosure protection grade reaches IP42, the equipment's moisture resistance, hull tilt and rocking, mold and salt spray and other technical indicators are in line with the relevant classification society requirements. The switchboard is composed of a cabinet and a handcart. The basic frame is a panel-type assembled structure. The cabinet is separated into three independent high-pressure chambers and one control room by using a grounded metal partition, and three high-pressure chambers (hands) The cab, cable compartment, and busbar compartments have separate top relief channels and buffer chambers to relieve the high pressure hot gases generated by buffering internal faults.
The new marine medium voltage switchboard made by Reiter Electric Co., Ltd. will be used on a 6000 cubic meter dredger made by a shipping company in Ningbo. This is the first time that domestic large-capacity marine medium voltage switchboards have been applied to large dredgers. . Previously, due to the 690 volt electric power distribution board used in marine medium voltage switchboards on the domestic market, there was no localization cost advantage, and its power station capacity could not meet the requirements of dredgers. Ruite Electric Co., Ltd. took the lead in completing the localization of marine medium voltage switchboards, which will play an active role in promoting the development of domestic marine medium voltage switchboard market.
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