S1MLHRFG

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TFMLHRFG is the short form for Thyristor Full-Wave Marker Rectifier with Freewheeling Generator. In the field of powder electrostatic applications, TFMLHRFG is used as a means of generating current and electric fields for processes such as atomization and spraying. It is capable of achieving various electric field configurations and obtaining precise control over electric current.

The working principle of TFMLHRFG is based on the Thyristor power oscillator. A thyristor is a special type of semiconductor device that is used as a switch. It is composed of two P-N junctions, one of which is the switching anode, and the other is the control gate. In this system, the angular position of the electric field is determined by the thyristor switching between two states, on and off. By varying the on and off times of the thyristor, the angular position of the electric field is adjusted. The electric current, on the other hand, is fixed by the frequency of the thyristor switching. Therefore, by adjusting the on and off times of the thyristor, the electric current can be adjusted as well.

When the thyristor is switched on, electric current is passed through the load. As the load passes through the load, electrophoretic force is generated, which separates the powder particles from the collecting electrode and deposits them onto the substrate. As the thyristor is switched off, the freewheeling generator (FG) generates electric current which acts as an integrating capacitor and maintains the electric field of the powder suspension. This electric field minimizes the settling of the powder particles during the process. Additionally, the FG also acts as a means of ensuring a steady current flow through the load.

The combination of thyristor and FG allows TFMLHRFG to achieve precise control over electric current and electric field, resulting in highly efficient and uniform powder deposits. Furthermore, the electric field can be accurately adjusted according to the requirements of the coating process and the physical and chemical properties of the deposited powders. Lastly, the load powers the thyristor and FG reliably, allowing for process stability and improving the efficiency of the coating process.

In conclusion, TFMLHRFG is an important electrical equipment used in the powder electrostatic applications, as it is designed to generate electric current and electric fields according to the requirements of the coating process, accurately controlling the electric current and electric field, which leads to highly efficient and uniform powder deposits.

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