The Working Principle of LED Lighting Source

The Working Principle of LED

The working principle of LED drive lighting source should have the following three steps:

  1. Lower the power pressure. Because different LED products need different electric power to drive, it is necessary to change 220V standard voltage launched by Electric Supply Station to 110V low voltage.
  1. Rectify the electric current. It is necessary to change the low voltage to unsteady DC low voltage because the feature of diode is unidirectional conductivity and all LED lighting should work with DC.
  1. Filtering transformer. Low voltage will be steady after several times of capacitance and inductance filtering.

 

Furthermore, there are several factors should be taken into consideration such as heat dissipation, frequency and radiation.

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