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Transformer area low-voltage governance method and system

A low-voltage, platform-based technology, applied in the direction of AC network voltage adjustment, electrical components, circuit devices, etc., can solve the problems of waste of manpower and investment, inability to accurately grasp the low voltage on the user side, etc., to achieve the effect of low voltage

Active Publication Date: 2021-03-26
STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +1
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  • Abstract
  • Description
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Problems solved by technology

At present, the station area only monitors the three-phase voltage, current and other electrical data on the low-voltage side of the distribution transformer, and cannot accurately grasp the cause of the low voltage on the user side, resulting in repeated operation and maintenance of the station area, resulting in a great waste of manpower and investment

Method used

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  • Transformer area low-voltage governance method and system
  • Transformer area low-voltage governance method and system
  • Transformer area low-voltage governance method and system

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] see figure 1 , which shows a flow chart of an embodiment of the method for controlling low voltage in the station area of ​​the present application.

[0026] like figure 1 As shown, in step 1, the station area outlet data and user-side data are collected, where the station area export data includes the three-phase voltage at the station a...

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Abstract

The invention discloses a transformer area low-voltage treatment method and system, and the method comprises the following steps: 1, acquiring outlet data of a transformer area and user side data, wherein the outlet data of the transformer area comprises three-phase voltage of the outlet of the transformer area, three-phase current of the outlet of the transformer area and tap switch gear data ofa distribution transformer, and the user side data comprises low voltage of the user side; 2, generating a user-side low-voltage event according to the user-side data; and 3, analyzing an event reasonof the user side low-voltage event based on the transformer area exit data. By collecting the data of the transformer area outlet and the user side, analyzing the reason of the low voltage of the user side and making a reasonable low voltage treatment strategy, the low voltage of the transformer area can be accurately treated.

Description

technical field [0001] The invention belongs to the technical field of power distribution and utilization, and in particular relates to a method and system for controlling low voltage in a station area. Background technique [0002] As an important indicator of power quality, voltage quality can directly reflect whether the power provided by the power supply department to users is qualified, and its quality will directly affect users (especially sensitive users such as medical equipment, automation devices, communication equipment, and computers) If appropriate mitigation measures are not taken, voltage disturbances will affect the normal operation of these devices and even cause damage to the devices. [0003] Domestic power supply companies have done a lot of work on the voltage quality management of the distribution network. However, due to the complexity of the distribution network, especially the actual data volume on the user side, these projects currently do not invol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/12H02J3/26
CPCH02J3/12H02J3/26H02J3/001Y02E40/50
Inventor 安义邓才波戚沁雅欧阳文华蒙天琪范瑞祥刘娟
Owner STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST
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