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Modeling method of intelligent distributed FA model

A distributed and model technology, applied in electrical components, circuit devices, etc., can solve the problems of complex on-site configuration, large amount of configuration information, large maintenance workload and maintenance difficulty of intelligent distributed FA, and achieve strong adaptability, tuning, etc. The effect of few parameters, easy to understand and maintain

Active Publication Date: 2015-03-04
ZHUHAI XJ ELECTRIC +1
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Problems solved by technology

For power distribution terminals, how to identify associated power distribution terminal information needs to establish a more complex information model in advance to describe the topology information of related switches (including power distribution terminal numbers, switch numbers, node numbers, etc.), and the software design is complex. At the same time, these configuration information need to be planned in advance, the configuration information is large, the on-site configuration is relatively complicated, and the requirements for maintenance personnel are high.
The distribution network has the characteristics of frequent transformation, expansion, and maintenance. These characteristics will bring a large maintenance workload and difficulty to the use of intelligent distributed FA.

Method used

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  • Modeling method of intelligent distributed FA model
  • Modeling method of intelligent distributed FA model
  • Modeling method of intelligent distributed FA model

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Embodiment Construction

[0027] refer to figure 1 The schematic diagram of the fault location principle of intelligent distributed FA is shown in the diagram. The main basis for judging the fault area is that only one switch in the fault node has a fault current. If a fault is detected in this area, the relevant power distribution terminal controls the relevant switch action to isolate the fault. As shown in the figure, when the F1 node fails, CB1, S1, and S2 detect the fault current, but S3, S4, S5, and S6 do not detect the fault current. Therefore, the power distribution terminal 2 monitors the S2 switch information and passes The S3 switch information transmitted by the power distribution terminal 3 determines that the fault area is between S2 and S3; at the same time, the power distribution terminal 3 judges that the fault area is between the S2 switch information and the S2 switch information transmitted by the power distribution terminal 2. Between S2 and S3. Therefore, the power distribution t...

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Abstract

The invention discloses a modeling method of an intelligent distributed FA model. Each power distribution terminal is set to contain a corresponding FA object, each FA object is provided with three ports, meanwhile, corresponding addresses are set for each power distribution terminal and the three ports, communication conditions are set among the ports, in this way, the information of adjacent FA objects can be identified automatically through the set addresses, so that the mutual topological relations of the FA objects are obtained, and the intelligent distributed FA function can be achieved. The intelligent distributed FA model is simple, few in setting parameter, convenient to comprehend and maintain and the like, strong adaptive capacity is achieved for transformation and expansion of a power distribution network, and a practical intelligent distributed FA implementation mode is achieved.

Description

technical field [0001] The invention relates to a distributed FA model in the field of distribution network, in particular to a modeling method of an intelligent distributed FA model. Background technique [0002] Intelligent distributed FA has the advantages of not relying on the global information of the main station or sub-station, realizing the local isolation of distribution network faults, better adaptability to the adjustment of distribution lines, and easy maintenance, etc., which are gradually favored by users. The "Technical Principles for the Pilot Construction and Transformation of Distribution Automation" and the "Technical Guidelines for Distribution Automation" organized by the power grid company in 2009 have included intelligent distributed FA as a main form in the standard. [0003] The network structure of the distribution network is generally complex. To realize the intelligent distributed FA function, the power distribution terminal needs to communicate a...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J13/00
Inventor 汤定阳曾祥飞陈奎阳
Owner ZHUHAI XJ ELECTRIC
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