Energy router device applied to wind-light energy storage and control method thereof

A technology for wind and solar energy storage and energy storage devices, which is applied in the field of energy systems and can solve the problems of simple topology structure, single energy router control mode, single voltage level, etc.

CN109120008AActive Publication Date: 2019-01-01NORTHEASTERN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2019-01-01

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Abstract

The invention, which relates to the technical field of energy systems, provides an energy router device applied to wind-light energy storage and a control method thereof. The device comprises a bidirectional rectifying unit, a resonant bidirectional DC-DC conversion unit, a photovoltaic Boost transform unit, a bidirectional DC-DC conversion unit, a soft switching single-phase full-bridge inverterunit, a three-phase PWM rectifying unit, a high-voltage direct-current bus, a low-voltage direct-current bus, a DSP controller, a voltage sensor and a current sensor. Meanwhile, on the basis of a hybrid energy storage coordinated control strategy of a stochastic robust optimization method, the device has seven kinds of working modes. In addition, the invention also provides a control method of anenergy router device applied to wind-light energy storage. According to the invention, on the basis of the multi-unit topological structure, the electric energy with various voltage levels can be provided and various load and energy storage device's needs are met; and the photovoltaic-fan complementary power generation is realized by the control method and the hardware structure.
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Description

technical field

[0001] The invention relates to the technical field of energy systems, in particular to an energy router device and a control method applied to wind-solar energy storage. Background technique

[0002] With the gradual increase in the penetration rate of new energy in the energy system, power electronic equipment will gradually occupy a dominant position in the future energy system. Compared with the traditional energy network, the power electronic energy system has the advantages of strong controllability, high flexibility, fast dynamic response, and diversified functions. Make major breakthroughs in key technical fields such as distributed power generation, distributed energy storage, renewable energy, new power electronic devices, new power electronic topologies, AC / DC hybrid microgrids, new electrical materials, and electric vehicles, and achieve energy efficiency, In terms of the coordinated development of energy environment, energy structure, and energy...

Examples

Embodiment Construction

[0046] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0047] An intelligent distributed control technology, such as figure 1 As shown, the entire power supply system is divided into a three-layer tree structure, which is the distribution network layer, the microgrid layer and the user layer from top to bottom. On the basis of the overall structure, the unified coordination control and communication scheduling of wind power generation, solar power generation, other distributed energy systems and power grids are realized.

[0048] The operation control of the distributed wind turbine and photovoltaic energy system is as follows: the distribution network layer adopts the optimal scheduling algorithm under the centralized contro...