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Low voltage power client power failure information data acquisition method

A technology of information data and low-voltage power, which is applied in the field of low-voltage power customer power outage information data collection, which can solve the problems of inability to realize accurate, reliable and full collection of low-voltage power customer power outage information, long data reporting and communication time, and failure to collect customer power outage data, etc. , to achieve the effect of reducing communication time, short time, and high acquisition success rate

Inactive Publication Date: 2017-03-08
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The collection of customer power outage information is realized through the "customer power consumption information collection system". The disadvantages are: 1. All are collected in real time (each customer collects up to 3 times), which leads to some customers’ power failure data cannot be collected; 2. Both uplink and downlink transmission are completed at the same time, affected by the local communication speed and the response of the master station Influenced by speed, the communication time for data reporting is longer
Accurate, reliable and full collection of outage information for low-voltage power customers cannot be achieved

Method used

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  • Low voltage power client power failure information data acquisition method

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with the drawings.

[0033] Such as figure 1 As shown, the present invention includes the following steps:

[0034] 1. First open up 2M storage space in the low-voltage concentrator to store the cumulative power-off times of all smart meters in the station area and all 10 power-off events in the meter.

[0035] 2. The smart meter automatically stores the customer's accumulated power outages and the last 10 power outage events data as low-voltage power outage data.

[0036] The conditions for generating a power failure event are:

[0037] (1) The power supply voltage of the three-phase electric energy meter is lower than the critical voltage: 60% of the reference voltage, and the three-phase load current is not greater than the lower limit of the power-off event current trigger: 5% of the rated current, and the duration is greater than the power-off event judgment delay Time: 60s, called power-down; p...

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Abstract

The invention relates to a low voltage power client power failure information data acquisition method. The method comprises the following steps that an intelligent meter automatically collect and store an accumulated power failure frequency and last ten-times electrification stopping events; a concentrator carries out cycle acquisition and stores the accumulated power failure frequency and the last ten-times electrification stopping events of all the intelligent meters under a bench area every day, and stores as low voltage power failure data; a main station collects the low voltage power failure data stored in the concentrator after the concentrator collects the data every day. The method adopts timing cycle acquisition so as to guarantee complete and reliable data acquisition; uplink and downlink acquisition transmission of low voltage electrification stopping data is divided, the concentrator collects and stores the low voltage electrification stopping data and then the main station collects and stores in a timing mode so that data transmission time is short; and simultaneously, during a reporting process to the main station, because the concentrator collects and stores the electrification stopping events, the concentrator can actively report all the electric energy meter increment power failure events of the whole bench area to main station for one time so that communication time is reduced.

Description

[0001] 【Technical Field】 [0002] The invention relates to the field of power outage information collection, and in particular to a method for collecting power outage information data for low-voltage power customers. [0003] 【Background technique】 [0004] In 2015, State Grid Corporation has fully realized the daily automatic collection and reporting of medium voltage (10KV) customer power outage information, providing strong data support for medium voltage customer reliability statistics, analysis and management, while low-voltage (220 / 380V) customer power outage information The collection has not yet been realized. [0005] In 2015, in order to collect statistics, analysis and management of low-voltage user reliability power outage events, State Grid Corporation carried out pilot research on low-voltage reliability collection in 10 prefecture and municipal power supply companies out of 5 provincial power companies. [0006] Customer power outage information collection is achieved thr...

Claims

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Application Information

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IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 王刚游强贺军甫李炜东杨承立韩军林罗辉马长明肖秦林任洪涛王健黄军虎
Owner STATE GRID CORP OF CHINA