High voltage power transmission line electric energy wireless monitoring device and monitoring method

Abstract

The present invention relates to a high voltage power transmission line electric energy wireless monitoring device and a monitoring method. The high voltage power transmission line electric energy wireless monitoring device comprises three electric energy measurement devices, an electric energy metering device and a distribution master station, the three electric energy measurement devices are respectively fixed below the rod towers of A, B and C phases via the insulating rods, and the electrodes of the three electric energy measurement devices are respectively contacted with the high-voltage power transmission lines of A, B and C phases. The electric energy metering device is arranged nearby a distribution transformer and obtains a low-voltage signal from the distribution transformer, and the data is sent between the three electric energy measurement devices and the electric energy metering device in a wireless manner, thereby solving a high-low voltage physical isolation problem. The data information is transmitted between the electric energy metering device and the distribution master station by a wireless GRPS.

Description

technical field [0001] The invention relates to the technical field of electricity metering devices for high-voltage transmission lines, in particular to a wireless monitoring device and method for electric energy of high-voltage transmission lines. Background technique [0002] In order to conduct real-time metering of the power consumption status of each branch line of the 10-35KV high-voltage transmission line, so as to centrally manage and count the demand for electric energy of power-consuming enterprises and electric equipment, the traditional metering method of high-voltage transmission lines is to use high-voltage voltage transformers, current The main problems of this measurement method are the complexity of the measurement equipment, large investment, and large floor area, especially if it is placed outdoors, it is very easy to be damaged by lightning strikes and damage the measurement equipment. Contents of the invention [0003] The purpose of the present inven...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a wireless monitoring device and monitoring method for high-voltage transmission line power, to solve the problem of how to use the principle of electric field coupling to obtain the voltage phase signal of the high-voltage transmission line in a non-contact manner in the prior art, and to obtain the current of the high-voltage transmission line by using an open-type current transformer. signal, to realize the technical problem of measuring the electric energy of high-voltage transmission lines, which is of great significance to reduce energy waste

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