Virtual bus type modular multi-terminal wireless energy interconnection system and control method thereof

Abstract

The invention discloses a virtual bus type modular multi-terminal wireless energy interconnection system and a control method thereof. The system comprises a power supply, an energy storage device, a power conversion module, a compensation network module, a laminated multi-coil structure and a load, wherein the laminated multi-coil structure is of a three-layer structure, the middle layer is a double-layer relay coil and is defined as a virtual bus, the upper layer and the lower layer of the double-layer relay coil are connected through a T-shaped compensation network, the power supply and the energy storage device are respectively connected with the bottommost coil through a LCC compensation network and the power conversion module in sequence, and the top layer coil of the laminated multi-coil structure is connected with the respective load through the S compensation network and the power conversion module in sequence. According to the invention, the system can be used as an interface between multiple sources and multiple loads, power distribution of the system is adjusted in cooperation with a corresponding control method, wireless energy interconnection under the application occasions of the multiple sources and the multiple loads can be achieved, and the system has the advantages of being flexible, reliable, simple in control method, high in universality and expandability and the like.

Description

technical field [0001] The invention relates to wireless energy transmission technology, in particular to a virtual bus-type modularized multi-terminal wireless energy interconnection system and a control method thereof. Background technique [0002] Under the background of the "Internet +" strategy, the deep integration of energy and Internet technology has promoted the construction of a new generation of comprehensive energy information network. In the field of power systems, the Energy Internet theory and its related applications have derived many new system architectures and emerging theories. However, its wired system architecture greatly reduces the flexibility and reliability of the system. In recent years, wireless power transmission technology has developed rapidly due to its advantages of safety and convenience, and has been widely used in new energy vehicles, biomedicine, aerospace and other fields. In the field of microgrid, due to the relatively limited energy ...

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: In order to realize wireless energy interconnection in multi-source and multi-load applications, and solve problems such as multi-coil cross-coupling, complex power regulation, and non-standardized design, the present invention proposes a virtual bus-type modular multi-terminal wireless energy interconnection system And its control method, the system can be used as the interface of multi-source and multi-load, combined with the corresponding control method, it has the advantages of flexibility and reliability, simple control method, high space utilization rate, strong versatility and scalability, etc.

Images