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Device and method for coordinating power supply systems of two low-voltage transformer areas

A low-voltage station area and power supply system technology, applied in the direction of circuit devices, power network operating system integration, system integration technology, etc., can solve problems such as power grid failures

Inactive Publication Date: 2021-06-04
国网浙江省电力有限公司宁波市北仑区供电公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the daily operation of the low-voltage distribution network, grid failures often occur due to the influence of many factors.

Method used

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  • Device and method for coordinating power supply systems of two low-voltage transformer areas
  • Device and method for coordinating power supply systems of two low-voltage transformer areas

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Embodiment

[0035] A coordinating device for the power supply system of two low-voltage stations, the two low-voltage stations are divided into a first low-voltage station 4 and a second low-voltage station 5, the first low-voltage station 4 includes a 400V first AC bus 4-1, a 10kWp second A distributed photovoltaic 4-2 and a first conventional load 4-3, the second low-voltage platform area 5 includes a 400V second AC bus 5-1, a 10kWp second distributed photovoltaic 5-2 and a second conventional load 5-3, The conventional load is specifically an AC charging pile; the coordinating device of the power supply system of the two low-voltage stations includes a main control module 1, a data acquisition module 2 and a power support module 3, and the main control module 1 includes a coordination controller 1-2 and The monitoring background 1-1, the coordinating controller 1-2 and the monitoring background 1-1 are connected through optical fiber communication, and the monitoring background 1-1 is u...

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Abstract

The invention provides a two-low-voltage transformer area power supply system coordination device. The device comprises a main control module, a data acquisition module and a power support module, detects power distribution data in real time, and controls the power support module to provide short-time power support for a non-fault low-voltage transformer area through the main control module, so the power supply reliability of the power supply system is improved. The invention also provides a two-low-voltage transformer area power supply system coordination method. The method comprises the steps of dividing the two low-voltage transformer areas into a first transformer area and a second transformer area, collecting power distribution data of the two low-voltage transformer areas, comparing the power distribution data of the two low-voltage transformer areas, screening out a fault transformer area, and discharging the energy storage system for short-time operation of a conventional load in the fault transformer area, so the electricity demand of electric appliances in the low-voltage transformer area in the maintenance stage is met.

Description

technical field [0001] The invention relates to the technical field of power transmission coordination, in particular to a device and method for coordinating power supply systems in two low-voltage station areas. Background technique [0002] The low-voltage distribution network is an important part of the power system, which is directly connected to people's power consumption system. The performance of the low-voltage distribution network directly affects the quality of power consumption of users. However, in the daily operation of the low-voltage distribution network, grid failures often occur due to the influence of many factors. In the specific electricity consumption scenario, due to the limitation of geographical location, when the low-voltage distribution station fails, maintenance personnel are required to carry out emergency repairs on the spot, which will cause obstacles to people’s electricity consumption during the maintenance. For distribution stations that are ...

Claims

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Application Information

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IPC IPC(8): H02J3/00H02J3/32H02J3/38H02J13/00
CPCH02J3/001H02J3/0073H02J3/32H02J3/381H02J13/00002H02J13/00017Y04S10/12Y04S20/12Y04S20/242Y04S40/124Y02E40/70Y02B90/20Y02B70/30Y02E60/00Y04S10/14Y04S10/50
Inventor 凌健阮浩洁王劲松郑隽杰许晓峰林科振钱程
Owner 国网浙江省电力有限公司宁波市北仑区供电公司
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