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Remote driver, device and test method

A test method and driver technology, applied in circuit breaker testing, emergency protection devices for automatic disconnection, circuit devices, etc., can solve problems such as damaged equipment, current hazards to health or life, to improve safety, avoid health or life-threatening effects

Pending Publication Date: 2021-08-13
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem that can arise here is that, when the reclosing process has already been initiated with the aid of the ARD remote drive, there are still operating states that lead to the tripping of the protective switching device, such as short-circuit or ground-fault currents
This may lead to undesired consequences such as damage to equipment or even hazards to health or life due to electrical current, so avoid under any circumstances

Method used

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  • Remote driver, device and test method
  • Remote driver, device and test method
  • Remote driver, device and test method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] figure 1 A schematic diagram of a remote drive 1 with an automatic reclosing device (ARD: automatic reclosing device) is shown in perspective. The remote drive 1 has an insulating material housing 2 with a front side 4 , a fixed side 5 opposite the front side 4 , and a narrow side 6 and a wide side 7 connecting the front side 4 and the fixed side 5 . On the front side 4 is arranged the operating element 3 , which can be connected to the fault current protective switchgear 100 (see figure 2 ) is coupled to the operating element so that it can be operated, ie switched on and off, by means of the remote drive 1 in the coupled state. The remote drive 1 can be fastened via its fastening side 5 on a support rail or mounting rail (not shown) which is mainly used for device fastening in electrical installation distributors.

[0045] On the broad side 7 facing the fault current circuit breaker device 100 to be coupled, the remote driver 1 also has an input interface 9 for rec...

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Abstract

The invention relates to a remote drive for coupling to a fault current protection switching device in order to operate the fault current protection switching device by means of a controllable drive of the remote driver. The remote driver has a control device which has at least two electrical connections on the output side. The two electrical connections can be connected to the fault current protection switching device in order to trigger the fault current protection switching device in a test manner by generating a fault current. The remote driver has an input interface for receiving a trigger signal of the fault current protection switching device. A control device of the remote driver is connected on the input side to the input interface and on the output side to the drive device, and the drive device is controlled by the control device to re-switch on the fault current protection switching device only after receiving a trigger signal. The functionality of the fault current protection switching device can be checked without performing a manual field test by manually operating a test button arranged on the operating side of the fault current protection switching device.

Description

technical field [0001] The invention relates to a remote driver (Fernantrieb) for use with fault current protective switching devices is coupled in order to operate the coupled fault current protection switching device by means of a controllable (or controllable) drive device of a remote drive. Furthermore, the invention relates to an arrangement consisting of a remote driver and a fault current protective switchgear coupled to the remote driver, and to a device for carrying out fault current protection by means of a remote driver coupled to the fault current protective switchgear. Test method for FI testing of switchgear. Background technique [0002] The term "protective switchgear", which can in principle be coupled to a remote drive, can be considered, for example, as a line protective switch (LS-switch), a fault current protective switch (FI-switch), a flameproof switch, and such as a FI-LS-protective switch or Combination equipment of load disconnectors. [0003] A...

Claims

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Application Information

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IPC IPC(8): H02J13/00G01R31/327
CPCH02J13/00036G01R31/327H01H71/70H02J13/0004H01H83/04H01H2071/665H01H2071/0278H01H71/462H01H83/144H02H3/335
Inventor J.多延T.霍赫穆思P.卡尔T.洛尔
Owner SIEMENS AG
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