Grounding impedance monitoring collecting analyzer

A collection and analysis, grounding impedance technology, applied in the direction of grounding resistance measurement, measuring resistance/reactance/impedance, instruments, etc., can solve the problems that cannot be directly equivalent, and achieve the effect of real-time and objectivity

Active Publication Date: 2016-01-27
ANHUI ZHONGPU LIGHTNING PROTECTION TECH CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

However, due to the impact of the impulse current in the ground, there is a large difference between the impul

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  • Grounding impedance monitoring collecting analyzer

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Embodiment Construction

[0021] refer to figure 1 , a ground impedance monitoring acquisition analyzer proposed by the present invention, comprising: a control module, a ground discharge module, a ground current acquisition module, a ground voltage acquisition module, a temperature and humidity acquisition module, an impedance mapping database, a data processing module and an alarm module.

[0022] The control module is connected to the ground discharge module, and is used for controlling the ground discharge module to discharge to the ground grid.

[0023] The ground current collection module is used to collect the current value in the ground grid, and the ground voltage collection module is used to collect the voltage value in the ground grid. In this embodiment, the ground current collection module includes a rectification filter connected to a current sensor, the current sensor is used to collect current signals, and the rectification filter is used to rectify and filter the collected signals. T...

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Abstract

The invention discloses a grounding impedance monitoring collecting analyzer comprising a control module, a ground discharging module, a ground current collecting module, a ground voltage collecting module, a temperature and humidity collecting module, an impedance mapping database and a data processing module. The analyzer provided by the invention uses the ground discharging module to discharge to a ground net, then collects current and voltage values by means of the ground current collecting module and the ground voltage collecting module, calculates the impedance of the ground net, collects the temperature and the humidity of soil in the region of the ground net by means of the temperature and humidity collecting module, and combines the ground net impedance and the soil temperature and humidity for determination of the ground net, so that the analyzer can obtain information of the ground net precisely and learn current status of the ground net in real time.

Description

technical field [0001] The invention relates to the technical field of ground impedance detection, in particular to a ground impedance monitoring acquisition analyzer. Background technique [0002] If the grounding device is faulty, it will not be able to discharge the current in time and protect the safety of personnel and equipment in the event of a lightning strike. Therefore, the detection of connecting low impedance is very important. [0003] The impact grounding impedance of traditional grounding devices is mainly calculated through theoretical calculation methods such as mathematical modeling, impact coefficient conversion, and empirical formula estimation, which have defects such as poor versatility, low accuracy, and inability to verify effectiveness. However, the large-current simulation experiment that can best reflect the real lightning current action needs to generate a large experimental current, the required signal generating device is bulky, and usually nee...

Claims

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Application Information

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IPC IPC(8): G01R27/20G01R27/08
Inventor 黄德青
Owner ANHUI ZHONGPU LIGHTNING PROTECTION TECH CO LTD
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