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Power control device of a power network of an electrochemical coating facility

A current control and electrochemical technology, applied in the direction of electrolytic components, electrolytic process, cells, etc., can solve the problems of increasing the cost of coating equipment, and achieve the effect of reducing phase shift reactive power and reducing amplitude

Inactive Publication Date: 2010-09-15
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of the coating plant is further increased due to this redundant element which is not normally required

Method used

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  • Power control device of a power network of an electrochemical coating facility
  • Power control device of a power network of an electrochemical coating facility
  • Power control device of a power network of an electrochemical coating facility

Examples

Experimental program
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Effect test

Embodiment Construction

[0037] exist figure 1 The circuit diagram of the current control device 1 of the grid 2 of the electrochemical coating plant is schematically shown in .

[0038] The potential matching represented by the coating process takes into account the matching of the secondary voltages of the insulating transformers. This makes it possible to additionally optimize the reactive power component in the drive network.

[0039] The grid 2 comprises a plurality of cathodes 3 which are electrically conductively connected to several objects 4 to be coated, and a plurality of anodes 5 each grouped in pairs. The cathode 3 is fed together with the object to be coated 4 and the anode 5 into a dipping bath containing a metal salt solution.

[0040] The current control device 1 comprises several control modules 6 each having a series circuit 7 of a controlled transistor bridge circuit 8 and an uncontrolled diode bridge circuit 9 . The transistor bridge 8 and the diode bridge 9 are connected on th...

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Abstract

A power control device (1) of a power network (2), which comprises a number of anodes (5) and a number of cathodes (3), of an electrochemical coating facility is disclosed, having a plurality of control modules (6), each control module (6) being configured to calculate and control a local current flow having a predetermined quantity as a function of the location and as a function of the time between an anode (5) and a cathode (3) of the power network (2).

Description

technical field [0001] The invention relates to a device for current control of an electrical network of an electrochemical coating plant. Background technique [0002] Coating of workpieces with a layer of material locally or over the entire area in an electrochemical coating system, by way of between the workpiece to be coated and a medium in which the coating material is dissolved and / or between the medium and external electrical lines A potential difference is generated between them which indirectly leads to condensation of the coating material on the workpiece. In addition to a change in the state of aggregation of the coating material, the coating material may also change chemically during the course of the condensation process on the workpiece. The medium may be in a liquid, gaseous, or plasma-focused state, and may be the coating material itself, or may be a solvent or delivery agent containing the coating material. [0003] Known electrochemical coating methods in...

Claims

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Application Information

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IPC IPC(8): C25D19/00C25D21/12
CPCC25D21/12
Inventor G·海德
Owner SIEMENS AG
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