Circuit design report

This paper will discuss the content and requirements of circuit design in depth to help readers better understand this field.

circuit function

The circuit realizes the continuous adjustment of DC voltage through thyristor rectification, with high power factor, small harmonics and good output waveform. The circuit consists of a main circuit and a control circuit. The main link of the main circuit is DC rectifier circuit. The main links of control circuit: trigger control circuit, voltage and current detection unit, driving circuit, detection and fault protection circuit. The main circuit power electronic switching device adopts GTR or IGBT. The system is well protected.

System overall scheme determination

The overall scheme of the system has been determined.

Design and Analysis of Main Circuit

The design and analysis of the main circuit includes the determination of the main circuit scheme, the calculation and selection of the main circuit components, and the design of the main circuit protection link. The main circuit power electronic switching device adopts GTR or IGBT.

Design and Analysis of Control Circuit

The design and analysis of control circuit includes detection circuit design, functional unit circuit design and trigger circuit design.

system simulation

System simulation includes simulating the system and obtaining current and voltage waveforms.

design requirements

Design requirements include clear design ideas and overall design block diagram; Unit circuit design, giving specific design ideas and circuits; Analyze the working principle of each unit circuit and the general circuit, and give the necessary waveform analysis; Draw the general circuit diagram; The current and voltage waveforms are obtained by simulating the system. Write a design report.