Open source scientific research test platform of dual-active full-bridge converter

Abstract

An open source scientific research test platform of a dual-active full-bridge converter comprises a real-time simulation controller, a digital signal adapter plate and a battery simulator, the real-time simulation controller is connected with a PC through the Ethernet, the real-time simulation controller is connected with the battery simulator through the Ethernet, and the digital signal adapter plate is connected with the battery simulator through the Ethernet. DC positive and negative output ports of two channels of the battery simulator are respectively connected with an H1-side DC voltage port and an H2-side DC voltage port of the dual-active full-bridge converter, and the power input of the battery simulator is provided by three-phase 380V. Eight paths of PWM signals, two paths of power tube fault signals, two paths of overvoltage signals, two paths of overcurrent signals, two paths of over-temperature signals, two paths of fault reset signals and two paths of PWM enable signals of the dual-active full-bridge converter are accessed to the real-time simulation controller through the digital signal adapter plate. The defects in the prior art are overcome, the time cost of scientific research is reduced, and the development efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of open-source scientific research testing of dual active full-bridge converters, in particular to an open-source scientific research testing platform of dual active full-bridge converters. Background technique [0002] Dual active full-bridge converter has become a series DC-DC converter structure that has been actively researched and developed at home and abroad in recent years due to its advantages of bidirectional energy transfer, wide soft switching range, high power density, and fast dynamic response. It is widely used in uninterruptible power supplies, solid-state transformers, electric vehicles and other product fields. At the same time, as the standards for power quality and fast and flexible control in the field of production and life continue to improve, researchers have studied the bottom layer of dual active full-bridge converters. Control technology requirements are gradually strict. However, ...

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the present invention provides an open-source scientific research and testing platform for dual active full-bridge converters, aiming at the low development efficiency and inaccurate experimental process in the existing dual active full-bridge converter control development experimental platform. Intuitive, safety hazards and other defects, introduce real-time simulation controller and digital signal adapter board to solve the problem; specifically, for the problem that requires a lot of code programming method is too cumbersome, use real-time simulation controller to solve problems based on simulink The graphical programming method is used to simplify the test process; for the unintuitive method of the test process, the real-time simulation controller is used to match the measurement and control software to visually visualize the data and curves of the variables; for the complicated problem of the wiring harness, digital signal transfer is used The board-to-controller and dual active full-bridge converters complete the aggregation of signals, which can improve the efficiency of scientific research and facilitate continuous iteration

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