Automatic false wiring conversion system for three-phase electric energy meter and implementation method thereof

A three-phase electric energy meter and wrong wiring technology, which is applied in the field of conversion system, can solve problems such as affecting the normal operation of the power system, difficult to correct, wrong wiring, etc., to achieve the effect of eliminating electric energy measurement errors, convenient use, and low cost

Inactive Publication Date: 2013-01-23
CHENGDU TIANXING ELECTRIC
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Problems solved by technology

[0004] The purpose of the present invention is to provide an automatic conversion system for wrong wiring of three-phase electric energy meters and its implementation method, which mainly solves the problem that the three-phase electric energy meters in the prior art are prone to wiring errors and are not easy to correct, which will affect the normal operation of the power system The problem

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  • Automatic false wiring conversion system for three-phase electric energy meter and implementation method thereof

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Embodiment

[0021] In order to solve the problem that the three-phase electric energy meter in the prior art is prone to wiring errors and is not easy to correct, which will affect the normal operation of the power system. Such as figure 1 As shown, the present invention discloses an automatic conversion system for wrong wiring of a three-phase electric energy meter, which includes a three-phase electric energy metering module for measuring and collecting current, voltage, and power; an ARM processor for controlling and data processing; The voltage conversion module for preliminary processing of the voltage; the current conversion module for preliminary processing of the received current; the resistance step-down network for converting a large voltage into a small voltage; the current transformer for converting a large current into a small current; conversion of the analog multiplexer switch.

[0022] Among them, the current conversion module and the voltage conversion module are equippe...

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Abstract

The invention discloses an automatic false wiring conversion system for a three-phase electric energy meter and an implementation method thereof. The problems that the false wiring easily occurs and is difficult to correct in the three-phase electric energy meter and the normal operation of a power system is influenced in the prior art are mainly solved. The automatic false wiring conversion system for the three-phase electric energy meter comprises an advanced RISC machine (ARM) processor, a three-phase electric energy metering module connected with the ARM processor, and a current conversion module and a voltage conversion module which are connected with the three-phase electric energy metering module and the ARM processor, wherein analog quantity multi-path conversion switches are arranged in the current conversion module and the voltage conversion module. According to the scheme, the aim of automatically correcting the false wiring can be fulfilled, and the automatic false wiring conversion system has a high application value and a high popularization value.

Description

technical field [0001] The invention relates to a conversion system, in particular to an automatic conversion system for wrong wiring of a three-phase electric energy meter and its realization method. Background technique [0002] As we all know, the measurement of the three-phase electric energy meter is the basis for the power supply department to collect electricity charges, and it plays a very important role in the work of the power supply system. However, in the actual implementation process, the three-phase electric energy meter is prone to various wiring errors. If it is not corrected in time It will cause statistical errors and then cause charging errors, which will bring a lot of inconvenience to the power management department and users. [0003] At present, the wrong wiring of the three-phase electric energy meter in China is still limited to how to identify whether it is wrong wiring, and manually correct it when it is judged to be wrong wiring. At the same time,...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R11/00
Inventor 黄茂彪杨衡
Owner CHENGDU TIANXING ELECTRIC
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