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Time keeping method and system for power distribution automation terminal

A technology of power distribution automation and power distribution terminals, which is applied in information technology support systems, electrical components, circuit devices, etc., can solve problems such as punctual errors, and achieve the effects of saving costs and improving punctual accuracy

Active Publication Date: 2021-11-12
INTEGRATED ELECTRONICS SYST LAB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method and system for power distribution automation terminal punctuality, which aims to solve the problem of punctuality errors caused by the synchronization of the system clock and the RTC clock and the precision of the RTC clock chip in the prior art, and realize the improvement of distribution automation at low cost. Punctuality Accuracy of Electric Automation Terminal

Method used

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  • Time keeping method and system for power distribution automation terminal
  • Time keeping method and system for power distribution automation terminal
  • Time keeping method and system for power distribution automation terminal

Examples

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Embodiment Construction

[0035] In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily lim...

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Abstract

The invention provides a timekeeping method and system for a power distribution automation terminal. The invention reads the time of the RTC chip from the power distribution terminal and synchronizes it to the system clock at the time when the second of the RTC chip changes. The system clock and the RTC clock are synchronized, and the power-off time of the power distribution terminal is recorded, and the time error caused by the precision of the RTC chip is adjusted and compensated during the power-off period, so as to realize the punctuality of the power distribution automation terminal. The invention does not add additional hardware, and uses software to correct the punctuality error, effectively saving costs; and the invention fully meets the requirements of the State Grid Corporation of China for the technical specifications of the distribution automation terminal, and significantly improves the power distribution automation terminal. Punctual precision.

Description

technical field [0001] The invention relates to the technical field of distribution automation, in particular to a method and system for keeping time of a distribution automation terminal. Background technique [0002] With economic development and social progress, the scale of distribution network is getting larger and larger, and the number of distribution automation terminals in operation is growing explosively. The distribution automation terminal is responsible for the collection and monitoring of on-site information such as the current, voltage, and switch status of primary equipment in the distribution network. The distribution network is a time-related system. Only when the accurate collection time is recorded can the on-site data have analytical significance and value. [0003] Distribution automation terminals generally use clock chips and external batteries to realize clock keeping. The "Technical Specifications for Distribution Automation Terminals" issued by th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J13/00
CPCH02J13/00006Y02E60/00Y04S40/12
Inventor 邵清华李永岗崔士军李荣兴徐凯边鹏飞江述汶刘娟赵红波张勋
Owner INTEGRATED ELECTRONICS SYST LAB
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