Method for monitoring heavy overload of distributed power plant in distribution network

A distributed and power monitoring technology, applied in the direction of electrical components, circuit devices, instruments, etc., can solve the problems of not being able to meet the needs of decentralized optimization and unified scheduling of new energy large-scale power consumption, and the lack of distributed energy scheduling and monitoring indicators. To achieve effective and timely monitoring and alarming, and the effect of calculating accurate values

Inactive Publication Date: 2020-03-24
SHENZHEN POWER SUPPLY BUREAU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The technical problem to be solved by the embodiments of the present invention is to solve the lack of distributed energy scheduling and monitoring indicators, which cannot meet the needs of large-scale consumption of new energy, decentralized optimization of power sources, and unified scheduling.

Method used

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  • Method for monitoring heavy overload of distributed power plant in distribution network
  • Method for monitoring heavy overload of distributed power plant in distribution network
  • Method for monitoring heavy overload of distributed power plant in distribution network

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Embodiment Construction

[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0038] like figure 1 As shown, a schematic diagram of an embodiment of the method for monitoring the heavy overload of the distributed power plant in the distribution network provided by the present invention is shown. In this embodiment, the method specifically includes steps:

[0039] Step S1, collecting relevant information of distributed power plants and distribution network equipment through the power monitoring system;

[0040] In a specific embodiment, the distributed power plants connected to the Internet include 10kV / 20kV dedicated lines for Internet access, 10kV / 20kV public lines for Internet access, and 10kV / 20kV buses for multiple distributed power plants to access the Internet; the relevant information of the distributed power plants includes Active ...

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Abstract

The invention discloses a method for monitoring heavy overload of a distributed power plant in a distribution network. The method comprises the following steps: S1, collecting related information of the distributed power plant and related information of power distribution network equipment through a power monitoring system; S2, operating the power monitoring system, and calculating a capacity occupation rate lambda of the distributed power plant accessed to the Internet; and S3, performing real-time monitoring and alarming on the distributed power plant accessed to the Internet by utilizing the capacity occupation rate lambda. According to the invention, influence monitoring strategies and indexes are introduced, and early warning and monitoring of heavy overload hidden troubles of distributed power plant access to power distribution network equipment are realized; the personnel cost is reduced, the efficiency is improved and the calculated value is more accurate.

Description

technical field [0001] The invention belongs to the field of distributed power monitoring and relates to a monitoring method for heavy overload of distributed power plants in a distribution network. Background technique [0002] There are multiple distributed power plants connected to the distribution network. The access methods include 10kV public line access, 10kV dedicated line access, and 10kV busbar access to multiple distributed power plants. At present, domestic distributed energy monitoring still uses simple and primitive power plant output (active power, reactive power, current), voltage, capacity and other simple indicators, and the potential heavy overload impact of distributed power on distribution network equipment is not included in the monitoring ,exist: [0003] 1. The simple power plant output monitoring indicators cannot monitor the impact of distributed power plants on their online lines and the main transformers that belong to the network. The tripping o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00G08B21/18
CPCH02J13/00G08B21/185Y04S40/128Y02E60/00
Inventor 刘宗雄
Owner SHENZHEN POWER SUPPLY BUREAU
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