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Multiple-monitoring-sensor-fusion-based transformer air cooling control system

A technology for monitoring sensors and control systems, applied in general control systems, control/regulation systems, transformer/inductor cooling, etc., can solve problems such as difficult to meet the specific requirements of transformers, and cannot meet the urgent needs of smart grid construction. Operation efficiency and effect, effect of protecting operation safety

Inactive Publication Date: 2014-05-21
STATE GRID CORP OF CHINA +3
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Problems solved by technology

At present, the transformer air-cooling system (control system of strong oil circulation and fan) generally adopts four working modes: working, auxiliary, standby and stop. The load of the main transformer exceeds the threshold, and the auxiliary air cooling is used. The existing control strategy is a simple logic judgment method based on analog quantities, which is difficult to meet the specific requirements of intelligent construction of transformers.
[0003] At present, there is no mature transformer air-cooled intelligent control device available for application in the existing technology, which cannot meet the urgent needs of smart grid construction

Method used

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Embodiment Construction

[0021] 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 and exemplary embodiments. It should be understood that the exemplary embodiments described here are only used to explain the present invention, and are not intended to limit the applicable scope of the present invention.

[0022] figure 1 It is a design principle block diagram of the present invention. The online monitoring sensor array acquires multiple state information of the transformer equipment. According to these state information, the internal state of the equipment is obtained based on the fusion algorithm, and the optimal operation mode of the air-cooling system is determined according to the internal state of the equipment, and the corresponding air-cooling equipment is controlled to operate.

[0023] (1) Transformer status information

[0024] The sens...

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Abstract

The invention relates to a multiple-monitoring-sensor-fusion-based transformer air cooling control system. The multiple-monitoring-sensor-fusion-based transformer air cooling control system comprises an online monitoring sensor array, a data collector, an upper computer processing system and an air cooling system control transmission mechanism, wherein the upper computer processing system analyzes device states of a transformer according to state vectors of the transformer to determine an operation mode of the air cooling system, directly outputs corresponding control logic to the air cooling system control transmission mechanism and controls a corresponding air cooling device to act. The multiple-monitoring-sensor-fusion-based transformer air cooling control system can analyze operating states of the transformer more comprehensively, protects safety of transformer operation, and meanwhile, greatly improves operation efficiency and effects of the air cooling system.

Description

technical field [0001] The invention relates to the field of power equipment monitoring and control, in particular to a transformer air-cooling control system based on fusion of multiple monitoring sensors. Background technique [0002] In the construction of smart grid, the intelligence of power equipment body and accessories is the foundation and focus. The transformer air cooling system is one of the important auxiliary equipment of the AC substation system, and its stable operation is related to the safe operation of the whole system. The intelligent transformation of the transformer air-cooling system occupies an important position in the entire transformer intelligent upgrade. At present, the transformer air-cooling system (strong oil circulation and fan control system) generally adopts four working modes: working, auxiliary, standby and stop. When the load of the main transformer exceeds the threshold, auxiliary air cooling is put into operation. The existing contro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02H01F27/08G05B19/042
Inventor 董明任明邓彦国杨宁王鸿杰
Owner STATE GRID CORP OF CHINA
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