Modularized dual-core control energy storage inverter system

Abstract

The invention provides a modularized dual-core controlled energy storage inverter system. The energy storage inverter system comprises a control core and a management core; the control core comprises a DSP chip, a bidirectional inverter, a battery pack, a commutation bridge circuit, a BMS management module and an acquisition module, the bidirectional inverter and the acquisition module are respectively connected with the DSP chip, the bidirectional inverter is also respectively connected with a power grid and the battery pack, the BMS management module is connected with the battery pack, an input end of the commutation bridge circuit is connected with the DSP chip, and the output end of the commutation bridge circuit is connected to a power grid; the management core comprises an ARM processor, a relay and an EMS module, and the relay and the EMS module are respectively connected with the ARM processor; and a module interface is arranged between the control core and the management core, and the module interface is of a movable plugging structure. A double-core control mechanism is adopted, the control core and the management core are plug-and-play, the electric energy quality function and source network load storage coordination are integrated, and different requirements of power grid operation and maintenance are met.

Description

technical field [0001] The invention belongs to the field of energy storage inverters, in particular to a modular double-core controlled energy storage inverter system. Background technique [0002] In a microgrid composed of distributed power sources, energy storage devices, energy conversion devices, loads, monitoring and protection devices, etc., energy storage inverters, as one of the energy storage devices, are an essential part of the microgrid. The energy storage inverter consists of a bidirectional inverter and a battery pack to form an energy storage system, which can effectively regulate power resources, balance the difference in power consumption between day and night and different seasons, and ensure the safety of the power grid. It is an important prerequisite for the application of renewable energy and the realization of grid interaction. important means of management. The energy storage inverter is suitable for various applications that require dynamic energy...

AI Technical Summary

Problems solved by technology

[0003] The traditional energy storage inverter only has the function of energy storage, without the advanced functions of power quality management and coordination with the source, grid, load and storage, that is, it is impossible to adjust the energy storage inverter according to the operating conditions between the power supply, grid, load and energy storage. The inverter strategy usually requires the installation of additional equipment to achieve the above advanced functions, and there is a disadvantage of equipment redundancy

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