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Safety check data sharing method for intra-day power generation plans of multiple scheduling enters in power grid

A dispatching center and power generation planning technology, applied to electrical components, circuit devices, transmission systems, etc., can solve problems such as large-scale power loss, inability to adapt to data sharing performance requirements, and reduced transmission power at the sending end, so as to facilitate function expansion , Improving data writing speed and improving reliability

Inactive Publication Date: 2018-01-12
NARI TECH CO LTD +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, within the day, once the UHV AC-DC connection line fails, the transmission power at the sending end will be greatly reduced. If the control strategy and the power generation and transmission plan are not adjusted in time, a chain reaction will be triggered, and there will be a risk of large-scale power loss in the intraday dispatch operation. Therefore, the way of file exchange can no longer meet the performance requirements of data sharing when adjusting multi-day power generation plans

Method used

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  • Safety check data sharing method for intra-day power generation plans of multiple scheduling enters in power grid
  • Safety check data sharing method for intra-day power generation plans of multiple scheduling enters in power grid

Examples

Experimental program
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Embodiment 1

[0033] A method for sharing data of power grid multi-dispatch center intraday power generation plan safety verification, comprising the following steps:

[0034] Step (1): Set up exchange agency services in each dispatch center;

[0035] Specifically: according to the maximum number of concurrent accesses N, where N is greater than or equal to 1, create N copies of page cache entity files for the data sharing access service of each dispatching center, and mark one of them as the main proxy service, and the rest as backup proxy services; The exchange proxy service described above exists in the form of an executable program resident process, and the page cache entity file is the carrier of the exchange proxy service;

[0036] Step (2): Each dispatching center prepares the intraday plan data respectively. At this time, the dispatching center acts as the data source to collect the data of this dispatching plan, and communicate with its respective exchange agent service to push the...

Embodiment 2

[0048] combine figure 2 , to describe in detail the application of the method for sharing data of intraday power generation plan safety verification of power grid multi-dispatching centers of the present invention to the process of sharing data of intraday power generation plan safety verification of national dispatching centers, sub-centers, and provincial dispatching centers.

[0049] The intra-day power generation plan safety verification data exchange of the national sub-provincial dispatch adopts a layered exchange method. The national dispatcher shares data with each sub-center, the provincial dispatcher under the sub-center carries out data sharing, and the sub-centers share data. Among them, the sub-center plays a linking role.

[0050] (1) Set up exchange proxy services in each dispatch center, and create 6 page cache entity files for data sharing and access services in each dispatch center according to the maximum number of concurrent accesses, and mark one of them ...

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Abstract

The invention discloses a safety check data sharing method for the intra-day power generation plans of multiple scheduling enters in a power grid. A three-layer topological structure, multiple scheduling data exchange modes and various plan core data storage access modes, which are transferred and shared in a distributed environment, are determined. Each scheduling enter respectively performs thedata source preparation and gets in communication with a proxy server of the scheduling center, so that above data can be pushed to the proxy server. Other scheduling centers are all the user terminals of the data sources of the above scheduling center. The data of a main proxy server and the data of a standby proxy server can be positioned and utilized by the user terminals of a wide area network. The scheduling center acquires various plan data required for the intra-day plans of all scheduling centers, and starts the safety check and analysis calculation according to a calculation period. According to the method, the flexibility, the reliability and the instantaneity of the wide-area sharing of the safety check data of the intra-day power generation plans of multiple scheduling enters can be improved. Therefore, the method provides a foundation support for multi-stage coordination operation of the intra-day dispatching operation link of the power grid. The compiling efficiency of multi-stage coordination type intra-day power generation plans is improved.

Description

technical field [0001] The invention belongs to the technical field of electric power system dispatching automation, and in particular relates to a data sharing method for intraday power generation plan safety check of multiple dispatching centers of a power grid. Background technique [0002] With the approval of several UHV projects, the pace of UHV power grid construction is accelerating, the scale of the power grid is developing rapidly, and the national network is basically formed. At present, the degree of integration of power grid operation has been greatly improved, from a 500 kV nearby "hand in hand" interconnected power grid to a unified power grid connected by an UHV main grid, with close AC and DC connections and huge AC and DC switching capacity. Mutual influence and interaction are further enhanced, the coupling characteristics of the power grid are highlighted, and the characteristics of the power grid have shifted from a partitioned model to an integrated mod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H02J13/00
Inventor 丁恰葛睿万雄皮俊波周才期谢丽荣李炎李端超
Owner NARI TECH CO LTD
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