Method for testing electric components in mains supply, in particular in mains supply for building

A technology for electrical components and power grids, applied in electrical components, parts of emergency protection devices, and measurement of electricity, etc., can solve the problem of not knowing how to check electrical components of power grid

Inactive Publication Date: 2012-08-29
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But don't know how it is possible to directly check the individual electrical components in the grid in a simple way

Method used

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  • Method for testing electric components in mains supply, in particular in mains supply for building
  • Method for testing electric components in mains supply, in particular in mains supply for building
  • Method for testing electric components in mains supply, in particular in mains supply for building

Examples

Experimental program
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Embodiment Construction

[0031] figure 1 A first embodiment of the method according to the invention for checking electrical components in a household, for example a power grid, is shown. according to figure 1 , the alternating current based on the three-phase voltage of 230V is fed to the household grid via corresponding lines L1 , L2 and L3 . Each of the lines L1 , L2 to L3 here represents a phase of the alternating current. Also in figure 1 The neutral line N is shown in , and the ground line E is shown in dashed lines. according to figure 1 The diagram of , by way of example, reproduces the inspection of the electrical components connected to the line L1. The current on line L1 reaches the main distribution substation HV, in which a corresponding fault current switch 3 (also referred to as FI switch) and a fuse 4 (for example 16A) are shown as components by way of example. These components lead to corresponding protective contact sockets 5 in the household, which supply current to loads 6 . ...

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Abstract

The invention relates to a method for testing electric components (3, 4) in a mains supply, in particular a mains supply for a building, according to which a test command (CH) is transmitted by a test unit (1) in the form of a data transmission via the mains supply to one or more electric components (3, 4) of said network. According to the invention, each electric component (3, 4) that receives a transmitted test command (CH) transmits a test response (RE) that characterises each electric component (3, 4), in the form of a data transmission via the mains supply back to the test unit (1), said transmitted response (RE) being then evaluated in the test unit (1).

Description

technical field [0001] The invention relates to a method for testing electrical components in an electrical network, in particular a building electrical network, as well as a corresponding testing unit and a corresponding electrical component for use in such a method. Background technique [0002] Various methods are known from the prior art how technical products can be properly marked in order to distinguish said products from imitation or counterfeit products. For example, so-called RFID tags are used, with which information on technical products, in particular electronic product codes, can be read out wirelessly. It is also known to install semiconductor chips in technical devices, which can carry out cryptographic operations in order thereby to be able to reliably identify the original product. It is also known to apply security features to technical products or packages by printing codes or hidden images. In this case, hidden images can only be made visible by means ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H1/00H02J13/00G06F21/00
CPCG01R31/00H02H1/0076Y02E60/00Y04S10/16
Inventor R.法尔克S.弗里斯M.斯福博达
Owner SIEMENS AG
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