Multifunctional power flow controller suitable for multiple channels and double loops
A power flow controller and dual-loop technology, applied to AC networks, circuit devices, AC network circuits with the same frequency from different sources, etc., can solve the problem of high cost of control equipment, reduce the number of layouts, fast active and reactive power Effectiveness of power, reduced installation and operation and maintenance costs
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[0017] See figure 1 , the multi-functional power flow controller applicable to multi-channel and double-circuit in this embodiment mainly consists of a first converter MMC1, a second converter MMC2, four controllable switches S1-S4 in total from the first to the fourth, The first to eighth transformers T1~T8 are composed of a total of 8 transformers T1~T8 and a control circuit for controlling the actions of the first converter MMC1, the second converter MMC2, and the controllable switches S1~S4. The control circuit is mature. The prior art, its circuit structure and working principle will not be described in detail.
[0018] Both the first converter MMC1 and the second converter MMC2 are provided with an AC terminal, a DC terminal and a control terminal; the DC terminal of the first converter MMC1 is electrically connected to the DC terminal of the second converter MMC2; the first converter The AC end of the converter MMC1 is respectively electrically connected to the seconda...
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