Full DC (Direct Current) electric energy converging system of wind power station
A full direct current, wind farm technology, applied in the field of wind power generation, can solve the problems of non-full direct current power gathering and transmission systems, and achieve the effects of low loss, easy installation and simple structure
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[0046] Such as figure 1 Shown is the SRG system and its DC conversion circuit diagram of the present invention, which is composed of SRG system (111) and DC conversion circuit (112), and the DC hybrid matrix wind farm structure is as follows figure 2 As shown, 11, ..., mn among them are m×n identical SRG systems and their DC conversion circuits, and K11, ..., K(m-1)(n-1) are (m-1)×(n- 1) identical power electronic switches (K11, . . . , K(m-1)(n-1)).
[0047] Such as figure 1 As shown, the SRG system (111) outputs direct current and enters the DC conversion circuit (112). Capacitor C1 and capacitor C2 have the functions of voltage support, filtering and energy storage, while resistor R1 and resistor R2 play a role of balancing capacitor C1 and capacitor C2. Voltage and protection, as well as providing a discharge circuit for capacitor C1 and capacitor C2, resistor R1 and resistor R2 are generally around 100MΩ, otherwise they will consume a large amount of active power if th...
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