Audible alarm system to prevent earthing in high-voltage cells

A technology of high-voltage components and alarms, applied to electrical components, instruments, measuring current/voltage, etc., can solve problems such as interruption of power supply and decline in service quality of transmission network

Inactive Publication Date: 2006-11-08
GRUPO ORMAZABAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] However, practice has shown that this light pointing system is not entirely effective, as the signals are often ignored by the operator, so to date, in order to minimize the effects of these errors, methods have focused on making potentially damaged equipment more robust
[0009] In addition to the above-mentioned problems, it must be added to the problems caused by the faulty grounding operation of the energized high-voltage components that this fault means that the power supply of the facilities fed by the same line will be interrupted, which leads to the quality of service of the transmission network. decline

Method used

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  • Audible alarm system to prevent earthing in high-voltage cells
  • Audible alarm system to prevent earthing in high-voltage cells
  • Audible alarm system to prevent earthing in high-voltage cells

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Embodiment Construction

[0018] In view of the above illustrations and in particular Figure 1, it can be seen that the disclosed system uses an audible alarm 1 powered by a high voltage line 2, which may be for example a capacitive bushing 3, circuited by a normally open microswitch 4 Completion is complete, so under the condition of normal operation of the components, the audible alarm 1 does not receive any signal and thus does not work.

[0019] Said microswitch 4 is triggered to close by a movable lever 5 on the element grounded isolator, which occurs during the connection of said lever to the isolator shaft, so that the signal is formed before the isolator is activated, that is to say, before the element is grounded.

[0020] Obviously, as mentioned above, in order to generate an audible signal, i.e. for the audible alarm 1 to work, two conditions must be met simultaneously: the microswitch 4 must be closed, that is to say the lever 5 must be connected to the isolator shaft On; at the same time t...

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Abstract

It is meant to provide a complement for the conventional optical indicator (9) of the presence of voltage in a high-voltage line (2), and is embodied as an audible alarm (1) powered by the high-voltage line (2) through a capacitive and / or resistive bushing or coupling (3), establishing in the power supply circuit of said audible alarm a normally open microswitch (4) activated by the actuation lever (5) of the cell earthing isolator, so that in the coupling operation of said lever (5) and before the isolator is actuated the circuit of the audible alarm (1) is closed and thereby said alarm is activated, warning the worker that the operation must be stopped and the voltage must be eliminated from the line (2). <IMAGE>

Description

[0001] purpose of invention [0002] This invention relates to an alarm system, particularly for preventing improper grounding of an energized high voltage component. [0003] The object of the present invention is to provide an audible and effective alarm which can clearly warn the staff that a certain incorrect operation is being carried out, so that corresponding safety measures can be taken before it is carried out, and also It is to disconnect the component from the voltage source. Background of the invention [0004] Usually, equipment installed in high voltage transmission grids allows grid connection and disconnection operations, as well as grounding of various parts of the equipment. [0005] Since the operation of these devices is done manually, considerable errors can occur in their execution. One of the more prominent is the grounding of the energized line caused by operational errors. [0006] This error leads to a three-phase short circuit with a certain groun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/08G01R19/155H02H11/00
CPCG01R19/155
Inventor 贾维尔·奥玛泽保奥瑟林
Owner GRUPO ORMAZABAL
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