Topic: wholesale powe

  China's wholesale power supplies for LEDs use high-frequency DC/AC conversion technology to invert low-voltage DC into high-frequency low-voltage AC. After being boosted by a high-frequency transformer, the AC is rectified by a high-frequency rectification and filtering circuit into high-voltage DC, typically above 300V. Finally, it is converted into 220V mains frequency AC through a mains frequency inverter circuit for use by the load. China's wholesale power supplies for LEDs are widel...