State evaluation system for power transmission and transformation equipment based on tree topology
A technology of state evaluation and topology structure, applied in the direction of measuring electricity, measuring electrical variables, measuring devices, etc., can solve problems such as no system, and achieve the effect of ensuring reliability, ensuring safety and stability, and easy fault isolation.
Active Publication Date: 2017-01-04
ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER +1
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However, there is currently no such system
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[0009] State evaluation system for power transmission and transformation equipment based on tree topology, including lightning locator, overhead line temperature detector, insulator pollution detector, transformer oil detector, power quality detector, transformer neutral point current detector, data processing module, online warning module, intelligent diagnosis module, status evaluation module, risk prediction module, and maintenance decision-making module; among them, the number of data processing modules is three; connection; the insulator pollution detector and the transformer oil detector are connected to the second data processing module; the power quality detector and the transformer neutral point current detector are connected to the third data processing module; the first data processing module is connected to the The second data processing module is connected; the second data processing module is connected with the third data processing module; lightning locator, over...
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The invention relates to technology for evaluating the state of electric transmission and transformation equipment, in particular to a system for evaluating the state of the electric transmission and transformation equipment based on a tree topological structure. The system solves the problem that at present, no system for evaluating the operating state of the electric transmission and transformation equipment in real time and making overhaul decisions according to the evaluation result is available. The system for evaluating the state of the electric transmission and transformation equipment based on the tree topological structure comprises a lightning locator, an overhead line temperature detector, an insulator dirt detector, a transformer oil detector, an electric energy quality detector, a transformer neutral point current detector, a data processing module, an online early warning module, an intelligent diagnosis module, a state evaluation module, a risk prediction module and an overhaul decision making module. The lightning locator, the overhead line temperature detector, the insulator dirt detector, the transformer oil detector, the electric energy quality detector and the transformer neutral point current detector jointly form branches of the tree topological structure. The system is suitable for power grids.
Description
technical field [0001] The invention relates to a state evaluation technology for power transmission and transformation equipment, in particular to a state evaluation system for power transmission and transformation equipment based on a tree topology. Background technique [0002] The power transmission and transformation equipment in the power grid will approach or exceed the original design life after long-term use, thus gradually entering the equipment aging period. Once the power transmission and transformation equipment enters the equipment aging period, it will directly affect the reliability of the power grid operation, thus seriously affecting the security and stability of power supply. Therefore, in order to ensure the safety and stability of power supply, it is necessary to evaluate the operating status of power transmission and transformation equipment in real time, and make maintenance decisions based on the evaluation results. In other words, if a system can be...
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IPC IPC(8): G01R31/00
Inventor 王康宁张来福姜敏田赟王天正郭旺平
Owner ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER