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Transformer oil filtering automatic monitoring control system

An automatic monitoring and control system technology, applied in the direction of transformer/inductor cooling, transformer/inductor parts, electrical component structure association, etc., can solve problems such as pipeline leakage, insufficient vacuum, and harsh working environment for duty personnel. To achieve the effect of easy installation and reduce work pressure

Active Publication Date: 2020-08-25
GUIZHOU POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the automation level of the transformer oil filter is already high, but the oil filter often has pipeline leakage, excessive or low oil pressure, high temperature, insufficient vacuum, etc. during the working process of the oil filter. Production accidents are common, and special personnel must be assigned to guard them in turn
Since the oil filtering process of the oil filter is carried out outdoors, the duty personnel need to take turns outdoors. In severe cold and hot weather, especially at night, the working environment of the duty personnel becomes very harsh.

Method used

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  • Transformer oil filtering automatic monitoring control system
  • Transformer oil filtering automatic monitoring control system
  • Transformer oil filtering automatic monitoring control system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] refer to figure 1, this embodiment provides an automatic monitoring and control system for transformer oil filtering, including a transformer 100, including an oil inlet 101 and an oil outlet 102, the oil inlet 101 is the entrance for transformer oil to enter the transformer 100, and the oil outlet 102 is The transformer oil comes out of the outlet of the transformer 100; the solenoid valve 200 is divided into an inlet solenoid valve 201 and an outlet solenoid valve 202, and the inlet solenoid valve 201 and the outlet solenoid valve 202 control the switch of the pipeline to control whether the transformer oil circulates; the oil filter unit 300, It includes an oil filter inlet 301 and an oil filter outlet 302 ; the oil filter unit 300 filters the oil in the transformer 100 .

[0035] Further, one end of the inlet solenoid valve 201 is connected to the oil inlet 101 through the oil pipe L, and the other end is connected to the filter oil outlet 302 through the oil pipe L...

Embodiment 2

[0037] refer to Figure 2-4 , is the second embodiment of the present invention, which is based on the previous embodiment, and differs from the previous embodiment in that it further includes a controller 600, which is a programmable controller, namely PLC. Specifically, the transformer 100 includes an oil inlet 101 and an oil outlet 102, the oil inlet 101 is the inlet of the transformer oil entering the transformer 100, and the oil outlet 102 is the outlet of the transformer oil out of the transformer 100; the solenoid valve 200 is divided into inlets The solenoid valve 201 and the outlet solenoid valve 202, the inlet solenoid valve 201 and the outlet solenoid valve 202 control the switch of the pipeline, and control whether the transformer oil circulates; the oil filter unit 300 includes the oil filter inlet 301 and the oil filter outlet 302; the oil filter unit 300 The oil in the transformer 100 is filtered.

[0038] Further, one end of the inlet solenoid valve 201 is con...

Embodiment 3

[0043] refer to Figure 4-11 , is the third embodiment of the present invention, which is based on the previous embodiment, and differs from the previous embodiment in that: the oil pipe L is connected to the oil inlet 101, the oil outlet 102, the inlet solenoid valve 201, and the outlet solenoid valve 202, the oil filter inlet 301 and the oil filter outlet 302 are connected by quick connector K. When the quick connector K is disconnected, the residual oil in the oil pipe L will not leak, that is, when the quick connector K is disconnected, the quick connector K is in a closed state, and only when the quick connector K is connected, the interior can be connected.

[0044] The quick connector K includes a male head unit 800 and a female head unit 900, the male head unit 800 includes a male head housing 801, a first valve core 802 arranged in the male head housing 801, a first valve core connected to the male head housing 801 The oil pipe L1, the first elastic member 804 arrang...

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PUM

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Abstract

The invention discloses a transformer oil filtering automatic monitoring control system. The system comprises a transformer which comprises an oil inlet and an oil outlet; the electromagnetic valve which is divided into an inlet electromagnetic valve and an outlet electromagnetic valve; an oil filter which comprises a filtered oil inlet and a filtered oil outlet; one end of the inlet electromagnetic valve is connected with the oil inlet through an oil pipe, and the other end is connected with the filtered oil outlet through an oil pipe; one end of the outlet electromagnetic valve is connectedwith the oil outlet through an oil pipe, and the other end is connected with the filtered oil inlet through an oil pipe; the oil pipe between the inlet electromagnetic valve and the filtered oil outlet is connected with a first flow meter, and the oil pipe between the outlet electromagnetic valve and the filtered oil inlet is connected with a second flow meter; by means of the oil filtering device, the situations that the oil pipe falls off and the like in the whole oil filtering process can be monitored in real time, oil flow is rapidly cut off, and meanwhile, a power source of the oil filteris cut off.

Description

technical field [0001] The invention relates to the field of electric power safety, in particular to an automatic monitoring and control system for transformer oil filtering. Background technique [0002] The substation is a pivotal place in the power system to complete voltage and current transformation, and receive and distribute electric energy. Once an accident occurs in a substation, it will usually lead to a large-scale power outage, which will have a negative impact on society. With the rapid development and continuous expansion of the power industry, the transformers used in the power system have a vital impact on the safe and stable operation of the power system. The transformer is the core equipment of the substation, and the transformer oil is the key factor for the stable operation of the transformer. Transformer oil filter can filter solid impurities and moisture in the oil, improve oil quality performance, and improve the insulation strength of transformer oil...

Claims

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Application Information

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IPC IPC(8): H01F27/14H01F27/40
CPCH01F27/14H01F27/402H01F2027/404
Inventor 孙静聂星高钰王楠张婷周鸿肖程威秦曦陈忠雷杨方潘国熙龙武
Owner GUIZHOU POWER GRID CO LTD