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A method and system to extract a graph database model based on CIM topology connected data for smart grid

IP.com Disclosure Number: IPCOM000235538D
Publication Date: 2014-Mar-07
Document File: 4 page(s) / 99K

Publishing Venue

The IP.com Prior Art Database

Abstract

The disclosure discloses the method and system to extract a graph database model based on CIM (common information model) topology connected data for smart grid. Based on the CIM topology connected data model, the conducting equipment list and connectivity node list are firstly built in the disclosure. Then, the disclosure constructs the graph model node and the node index for all of the conducting equipments. Lastly, the graph node relationships are constructed for connecting the conducting equipments.

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A method and system to extract a graph database model based on CIM topology connected data for smart grid

Topology analysis is a very significant problem for smart grid information management system, such as outage management system, distribution management system, etc. The topology data is connected data in the smart grid. The connected data is big data. For example, there are about one million connected data rows for one district region. In the traditional method, the RDBMS is used to store the topology connected data model. But, there are expensive join operations for the large connected data table in RDBMS. It is also difficult to flexibility determine the power direction in theconnected data table. For solving the above business problem, the disclosure transfers the CIM topology model to graph database model. The model can effectively navigate the connected data.

The disclosure is as the follows:
Step 1: Build the conducting equipment list and connectivity node list


1.1: The conducting equipments are searched one by one from the power source node. After that, the conducting equipments are appended to the List

. Each of the conducting equipments contains the mrid and List

. The List

is shown as follows:

1.2: The connectivity nodes are searched one by one from the power source node. After that, the connectivity nodes are appended to the List

. Each of the connectivity nodes contains the mrid and List

. The List

is shown as follows:

1.3: The source terminal and the sink...