A flexible switchgear for connecting two DC power distribution systems
A technology of DC power distribution and switchgear, applied in the field of electric power, can solve problems such as low transmission efficiency, influence, and weaken system stability, and achieve the effects of eliminating mutual influence, optimizing configuration, and improving reliability
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[0042] In order to explain the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and drawings. Similar components in the drawings are denoted by the same reference numerals. Those skilled in the art should understand that the content described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.
[0043] Such as figure 1 As shown, the traditional DC microgrids are respectively connected to a common AC bus through respective bidirectional DC / AC converters. This connection method causes the energy scheduling between the DC microgrids to be very complicated and the transmission efficiency is low. If the DC microgrids are directly connected, when one of the DC microgrids fails, it will affect other DC microgrids and weaken the stability of the system. Such as figure 2 As shown, the flexible switch device designed in the present invention can di...
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