An automatic feedback control system for buffering sudden temperature changes of dry-type reactors

A dry-type reactor and automatic feedback technology, which is applied in general control systems, control/regulation systems, electrical program control, etc., can solve problems such as equipment burnout, and achieve the effects of prolonging life, small footprint, and convenient disassembly and assembly

Active Publication Date: 2017-01-25
YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the dry-type reactors that have been put into operation in the power system are not equipped with equipment or control systems to buffer their sudden temperature changes, resulting in frequent burnout of the equipment in the power system

Method used

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  • An automatic feedback control system for buffering sudden temperature changes of dry-type reactors
  • An automatic feedback control system for buffering sudden temperature changes of dry-type reactors
  • An automatic feedback control system for buffering sudden temperature changes of dry-type reactors

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Embodiment Construction

[0028] Such as figure 1 , figure 2 , image 3 , Figure 4 As shown, an automatic feedback control system for buffering sudden temperature changes of dry-type reactors, the present invention is characterized in that the system is sequentially connected by a state trigger source 2, a programmable logic control device 3, and an axial flow fan body 1;

[0029] in,

[0030] The fan body 1 is composed of a distributed fan 4 and a bracket device 5 arranged at the bottom of the distributed fan 4, and the distributed fan 4 is fixed on the bracket device 5; The windshield 6 of the tuyere, the automatic control spring 7 that is arranged on the top of the mica sheet 8 and connected with the windshield 6, the high-power heating wire 9 installed inside the mica sheet 8, and the bottom of the mica sheet 8 connected with the bottom of the housing 12 The supporting column is composed of an electromagnetic speed-regulating motor 10 arranged on the supporting column, and a fan blade 11 inst...

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Abstract

The invention discloses an automatic feedback control system for the temperature shock of a buffering dry type electric reactor. The automatic feedback control system is composed of a variable-air-speed axial flow fan body (1), a 24-hour real-time online detecting and signal collecting and processing state trigger source (2) and a programmable logic control device (3). The automatic feedback control system has the function of relieving the phenomenon that when a dry type reactor is input and cut off, shock heating and shock refrigerating of the interior of the reactor happen, and therefore turn-to-turn insulation becomes poor, and the automatic feedback control system has the advantages of being safe and stable in operation, compact, low in cost, small in occupied area and high in buffering temperature shock efficiency.

Description

technical field [0001] The invention belongs to the technical field of sudden temperature change of buffer dry-type reactors for electric power. Background technique [0002] Dry-type reactor has the advantages of good linearity, low noise, high short-circuit resistance, and easy maintenance. It plays an important role in maintaining power system voltage stability, limiting short-circuit current, and performing reactive power compensation. It is currently used in power systems widely used. [0003] The turn-to-turn insulation state of a dry-type reactor is a very important factor affecting its safe and stable operation. According to investigation and research, in recent years, a large number of dry-type reactors have been burned frequently. The burning is due to the inter-turn short circuit caused by the inter-turn insulation defect, and the internal temperature of the reactor is suddenly heated and cooled when the reactor is put into and removed. The main cause of inter-t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05
CPCG05B19/058G05B2219/163
Inventor 张洁谭向宇王科马仪崔志刚钱国超伍阳阳
Owner YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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