The high-frequency inverter first converts low-voltage direct current into high-frequency low-voltage alternating current through high-frequency DC/DC conversion technology; then after boosted by a high-frequency transformer, it is rectified by a high-frequency rectification and filtering circuit into a power supply that is usually above 300V. High-voltage DC, and finally 220V power-frequency AC power is obtained through the power-frequency inverter circuit for the load.

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