Pulse Power Supply Equipment

Plastic plating-pulse power supply equipment.
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The pulse power supply is mainly controlled by an embedded single-chip computer, so it generally has a variety of control functions in addition to pulse output.
(1) automatic current and voltage stabilization. The current or voltage of traditional silicon rectifier can not be stabilized automatically and fluctuates with the fluctuation of grid voltage. The pulse power supply has a high-precision automatic adjustment function, and the output voltage of the pulse power supply can be almost unchanged. The automatic regulation function of pulse power supply generally has two modes: first, constant current and voltage limiting mode. Second, constant voltage current limiting mode.
(2) Multi-stage operation mode. In aluminum anodizing or hard chromium plating, reverse electrolysis, high current shock, step power transmission and other operations are often needed. The pulse power supply with multi-stage operation mode only needs to be set in advance and can be automatically adjusted according to the order during production. This function is very useful for hard chromium plating, and the setting can be adjusted within 0,255 seconds at a time.
(3) two-way pulse function. The positive and negative pulse frequency, duty cycle and positive and negative output time can be adjusted independently, which is flexible and convenient to use. With the hard chromium plating process, the coatings with different physical properties can be obtained.
(4) DC superposition function. While the forward and backward pulse current is output, a pure DC component is superimposed by the same power supply, which broadens the application range and use of the pulse power supply.

Summary: to sum up, for electroplating, in addition to hard chromium plating, SCR rectifier is more stable than high-frequency power supply. Other electroplating generally use high-frequency pulse power supply, at this stage, chromium plating also use high-frequency pulse, because the conversion rate of SCR is too low, power consumption is too large, it is not cost-effective. There are also some high-quality nickel plating, the general output also needs to be filtered, the ordinary conventional power supply only has the output with filtering, and some even do not have the input filtering.