DEVICE FOR MICROARC METAL AND ALLOY OXIDATION Russian patent published in 2017 - IPC C25D11/02 C25D19/00 

FIELD: chemistry.

SUBSTANCE: device contains a three-phase AC or DC voltage source connected to a three-phase bridge rectifier, a filter, the first and the second voltage sensors, a high-frequency transformer, the secondary winding of which is connected to the workpiece by one output and to the cathode electrode of the bath - by the other, a current sensor, a computer controlling the microcontroller, the outputs of which are connected to the inputs of the driver unit, the first and the second combined voltage regulators, a bridge voltage inverter, wherein the forces inputs of the combined voltage regulators are combined and connected to the output of the filter, and the power outputs - to the first and the second voltage sensors and to the bridge voltage inverter consisting of two transistor half-bridges, the first of which is connected to the power outputs of the first combined voltage regulator, and the second one - to the power outputs of the second combined voltage regulator, and in series connected current sensor and a primary winding of high frequency transformer are introduced into the diagonal of the bridge voltage inverter.

EFFECT: simplifying the design and control system and increasing the reliability of the entire device.

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