| 摘要 |
A p-phase electronic hub for transferring power between N DC systems of DC voltage Vidc (i=1, 2,...N), respectively. The hub comprises N modules, each for connection to a respective DC system of voltage Vidc and for exchanging power P1 with the respective DC system, and a common p-phase AC bus for connecting the N modules. Each module comprises a DC/AC converter for transforming the respective DC voltage Vidc into a respective p-phase AC voltage Viac of frequency ωs, root mean square line-neutral magnitude Viacm and angle αi, and an LC circuit for each phase p, for transferring power between the DC/AC converter of the module and the common p-phase AC bus, wherein each LC circuit comprises an inductor Li, a capacitor Ci for supplying reactive power and a circuit breaker CBi for disconnecting the module, connected together at their first terminals, the second terminal of each inductor Li being connected to the respective phase of the respective AC voltage Viac, the second terminal of the circuit breaker CBi being connected to the respective phase of the common AC bus, the second terminal of capacitor Ci being connected to a central point of respective DC voltage Vidc in the case where p=1, and the second terminals of the capacitors Ci associated with each phase p being connected together in the case where p>1. |
