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A method for actively researching and judging faults in low-voltage distribution networks based on intelligent distribution transformer terminals

A technology of intelligent distribution terminal and low-voltage distribution network, applied in the field of distribution network, can solve problems such as time-sensitive information congestion, achieve the effect of improving active” service and high-quality service level, and reducing user’s power outage time

Active Publication Date: 2020-05-01
STATE GRID HUBEI ELECTRIC POWER RES INST +1
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Problems solved by technology

[0004] The present invention provides a low-voltage distribution network fault active research and judgment method based on an intelligent distribution transformer terminal, which solves the problems of timeliness and information congestion caused by passive perception of traditional fault research and judgment, centralized collection and research of information, and information congestion. Real-time monitoring and analysis of the distribution network, proactively grasp user power outage events and carry out on-site fault research and judgment, timely locate fault areas and carry out fault repairs, reduce user power outage time, and improve "active" service and high-quality service level

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  • A method for actively researching and judging faults in low-voltage distribution networks based on intelligent distribution transformer terminals
  • A method for actively researching and judging faults in low-voltage distribution networks based on intelligent distribution transformer terminals
  • A method for actively researching and judging faults in low-voltage distribution networks based on intelligent distribution transformer terminals

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Embodiment Construction

[0025] The technical solutions in the present invention will be clearly and completely described below in conjunction with the drawings and specific embodiments of the present invention.

[0026] refer to figure 1 , the present invention provides a low-voltage distribution network fault active judgment method based on an intelligent distribution transformer terminal, comprising the following steps:

[0027] Step (1), the intelligent distribution transformer terminal collects the local information of the distribution transformer station area such as the voltage and current of the high and low voltage sides of the distribution transformer in real time, as well as the information of the monitoring unit of the low-voltage branch box, the information of the monitoring unit of the end of the meter box, and the information of the smart meter of the user;

[0028] Step (2), after the intelligent distribution transformer terminal actively monitors abnormal information such as the user'...

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Abstract

The present invention provides a method for actively researching and judging faults of low-voltage distribution networks based on intelligent distribution transformer terminals: the method is based on the real-time monitoring and monitoring of local information of distribution transformer stations, low-voltage branch boxes, electric meter boxes and user smart electric meters by intelligent distribution transformer terminals. Analysis, using the distributed edge computing function of the intelligent distribution transformer terminal, actively grasping the user's power outage events and carrying out on-site fault research and judgment, solved the problems of timeliness and information congestion caused by the traditional method of passive fault perception and centralized information collection and judgment, and realized Timely and active positioning of faults in the low-voltage distribution network to carry out fault repairs, reduce power outage time for users, and improve "active" service and high-quality service level.

Description

technical field [0001] The invention relates to the technical field of distribution networks, in particular to a method for actively researching and judging faults in low-voltage distribution networks based on intelligent distribution transformer terminals. Background technique [0002] The low-voltage distribution network is the terminal link of the power distribution system and directly serves the users. According to statistics, the users of the low-voltage power grid account for more than 90% of the total power users. Emergency repairs are critical to improving power supply reliability and quality service levels. However, for a long time, the research and judgment of distribution network faults have mainly focused on the 10kV distribution network, ranging from substation outlet switches to 10kV branch lines. According to the statistics and analysis of distribution network faults in recent years, the low-voltage distribution network ( 0.4kV) faults account for more than 9...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J13/00G01R31/08
CPCH02J13/0062H02J13/0075G01R31/086H02J13/00007Y04S40/121Y04S40/126Y04S10/52Y02B90/20Y02E60/00
Inventor 杨志淳杨帆沈煜雷杨宿磊胡伟车方毅蒋伟严方彬
Owner STATE GRID HUBEI ELECTRIC POWER RES INST
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