Control system based on bidirectional energy conversion

Abstract

The invention discloses a control system based on bidirectional energy conversion, comprising a DSP chip and an FPGA chip, the DSP chip is mutually connected with the FPGA chip by virtue of an addressbus and a level conversion circuit chip, the DSP chip comprises an operational processing module, the FPGA chip is connected with a signal conditioning module by virtue of an interface and is also connected with a driving module by virtue of an interface, the FPGA chip comprises a current and voltage signal acquisition module and a control instruction module, the DSP chip and the FPGA chip respectively comprise S_XRD, S_XWE, S_R / W and XCS0, the XCS0 is a chip select signal module, the S_R / W is a data transmission direction control module, and S_XRD and S_XWE are a read signal module and a write signal module respectively. The control system disclosed by the invention can realize large-scale battery energy storage and grid connection, and real-time acquisition and accurate control are realized in a complicated control system.

Description

technical field [0001] The invention belongs to the technical field of controllers, and in particular relates to a control system based on bidirectional energy conversion. Background technique [0002] Today's converter control system is developing from traditional two-level to multi-level control. Multi-level control can achieve control requirements more accurately, but it also uses a large number of switching devices for control, and each switching device requires one PWM to complete the control, so the control chip needs to generate multiple complementary PWM waveforms to achieve control. In recent years, with the vigorous development of programmable logic devices, FPGA processing and computing capabilities have been greatly improved, and have been favored by the power electronics industry. FPGA can reorganize internal logic circuits and triggers through Verilog hardware programming language, and can realize large-scale information processing through state triggers. Whe...

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Problems solved by technology

[0005] The purpose of the present invention is to provide a control system based on two-way energy conversion to solve the problems in the prior art that cannot realize large-scale battery energy storage and grid connection, and cannot realize real-time acquisition, The problem of imprecise control

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