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Electronic Transformer and Implementation Method of Electronic Transformer

A technology of an electronic transformer and a realization method, applied in the field of transformers, can solve the problems of hindering the industrialization promotion of electronic transformers, difficult maintenance, short life, etc., and achieve the effects of improving convenience, avoiding electromagnetic environment, and prolonging life.

Active Publication Date: 2015-12-02
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with traditional transformers, the above-mentioned electronic components have shorter service life and are difficult to maintain. The replacement of electronic components requires long-term power outage on-site debugging, which seriously hinders the industrialization of electronic transformers and the development of smart substations.

Method used

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  • Electronic Transformer and Implementation Method of Electronic Transformer
  • Electronic Transformer and Implementation Method of Electronic Transformer
  • Electronic Transformer and Implementation Method of Electronic Transformer

Examples

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Embodiment 1

[0029] The embodiment of the present invention aims at the problems of short service life, difficult maintenance, and differences in the performance parameters of the sensor head of the electronic component collector of the electronic transformer. According to the maturity of the electronic circuit technology and the reliability of the FPGA (Field Programmable Gate Array, Field Programmable Gate Array), As well as the advantages of convenient power supply and long life of passive transformers, the theoretical research on the configuration consistency of electronic component collectors and sensor heads of electronic transformers is carried out to achieve seamless connection.

[0030] The electronic transformer in the embodiment of the present invention includes a sensor head, a collector, and a merging unit. This embodiment provides a processing flow of an electronic transformer implementation method as follows: figure 1 As shown, the following processing steps are included:

...

Embodiment 2

[0133] The structure of an electronic transformer provided by this embodiment is as follows: Figure 4 As shown, the following units are included: sensor head 41 , shielded cable 42 , collector 43 , optical fiber 44 and merging unit 45 .

[0134] The sensing head is used to connect to the collector through a shielded cable, and send an input signal to the collector;

[0135] The collector is used to connect with the merging unit through an optical fiber, and is installed on the ground potential side of the electronic transformer, and dynamically adjusts the correction coefficient of the collector according to the performance of the sensor, so that the collector and The sensing heads are matched; the input signal is collected by a sampling system to obtain a digital signal, and the digital signal is output to the merging unit through an optical fiber;

[0136] The merging unit is used for merging the digital signals output by the collector, converting them into Ethernet data, ...

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Abstract

The invention provides an electronic transformer and an implementation method of the electronic transformer. The electronic transformer comprises a sensing head, a collector and a combining unit. The collector is connected with the sensing head through a shield cable and is arranged on a ground potential side of the electronic transformer, correction factors of the collector are dynamically adjusted according to the performance of a sensor, and the collector is made to be matched with the sensing head. Input signals are collected through a sampling system to obtain digital signals, and the digital signals are output to the combining unit through an optical fiber. The electronic transformer and the implementation method of the electronic transformer achieve seamless connection and accuracy degree lossless interchange of an electronic collecting unit and a sensing unit and simplify a maintenance process. Meanwhile, the electronic transformer and the implementation method of the electronic transformer improve convenience for maintaining the electronic collecting unit, simplify maintaining processes, reduce maintaining and operating cost, prolong the service life of an electronic loop, and is safe, reliable, long in service life and easy to maintain and used for an intelligent power grid.

Description

technical field [0001] The invention relates to the technical field of transformers, in particular to an electronic transformer and a method for realizing the electronic transformer. Background technique [0002] Traditional substations face limitations such as the dynamic measurement range of conventional transformers, the lack of a unified information model and information exchange model that makes grid information sharing difficult to achieve, the lack of interoperability between smart devices, and the unfavorable reliability of a large number of secondary cables. impact etc. Smart substation is the development direction of substation technology, and it is the foundation and important part of the construction of a strong smart grid. The new photoelectric transformer technology has laid a foundation for the promotion and application of smart substations. [0003] Based on the principles of optics and electronics, electronic voltage and current transformers (respectively r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R15/18
Inventor 王凤英李立李振计杨明刘峰徐艳强张辰铭佟健伟
Owner STATE GRID CORP OF CHINA