SIC High Efficiency Switch Welding Machine

Main circuit structure of SIC High-efficiency switch welder:

The main circuit structure of SIC High-efficiency switch welder is shown in the figure. It is a typical AC-DC-AC-DC-AC frequency structure. The rectifier uses three-phase bridge rectifier circuit. IGBT is used to adjust the output voltage. Then by SIC inverter, the 200-600KHZ high frequency AC is generated. The SIC High-efficiency switch welder uses modular parallel structure to expand the power supply. The density of rectification power regulation unit formed by IGBT and fast recovery diode is 50-100 KW. Each high-frequency inverter unit is divided into 30-60KW units according to different frequencies. The whole switch all-in-one machine is characterized by compact structure, small size, easy maintenance and low failure rate. To effectively and quickly prevent all kinds of parallel inverter faults, the company adopts a unique, stable and reliable rectifier inverter protection circuit to ensure the safe and reliable operation of the inverter.

Simple line and convenient installation

During installation of the equipment, it is only necessary to connect the three-phase power supply with the main circuit cables of the SIC High-efficiency switch welder. There are less than ten connecting line between the three-phase power and the SIC High-efficiency switch welder. There are also a small number of connecting line between the SIC High-efficiency switch welder and the operation desk. In the event that the user provide good cooperation on the site, the installation of the entire power supply can be completed within two days.

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