Transformer temperature control system and method for realizing air cooling system state diagnosis

An air-cooling system and state diagnosis technology, applied in temperature control, non-electric variable control, control/regulation system, etc., can solve problems such as complex industrial environment and stable operation of fans, so as to ensure normal operation and realize fan power consumption Effect

Inactive Publication Date: 2019-07-05
SHANDONG JIANZHU UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The actual industrial environment is complex, and factors such as on-s

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  • Transformer temperature control system and method for realizing air cooling system state diagnosis
  • Transformer temperature control system and method for realizing air cooling system state diagnosis
  • Transformer temperature control system and method for realizing air cooling system state diagnosis

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[0033] The present disclosure will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0035] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinati...

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Abstract

The invention provides a transformer temperature control system and a transformer temperature control method for realizing air cooling system state diagnosis. The transformer temperature control system comprises a control unit and a detecting unit, wherein the detecting unit comprises a multi-path temperature signal detecting module and voltage-current signal detecting modules; the multi-path temperature signal detecting module comprises a detection module arranged inside a low-voltage winding of a transformer and is used for acquiring temperature of the winding, and a detection module used for acquiring ambient temperature or iron core temperature; the voltage-current signal detecting modules are arranged on phases/lines of a fan of an air cooling system; signals acquired by means of thedetection modules are converted into data signals by means of an A/D conversion module after passing through an amplification module; and the control unit comprises a controller, the controller is used for controlling the on-off and operating state of the fan and performing fault diagnosis according to the acquired temperature and the voltage and current of the fan, and the controller records thecontrol process and diagnostic results.

Description

technical field [0001] The present disclosure relates to a transformer temperature control system and method for realizing state diagnosis of an air cooling system. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] The temperature control device is an automatic measurement and control device to ensure the safe and stable operation of the dry-type power transformer within a certain temperature. Existing devices mostly use air-cooled cooling methods. Generally, each transformer needs to be equipped with a temperature control device to control the start and stop of the cooling fan and give an alarm signal or trip to stop the abnormal over-temperature state to realize the temperature control function. The actual industrial environment is complex, and factors such as wind walls and dust on site interfere with the stable operation of the fan. R...

Claims

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Application Information

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IPC IPC(8): G05D23/20
CPCG05D23/20
Inventor 尹春杰王亚男尹俐王鑫丁绪东段培永朱孟隆吴边宋彦螟
Owner SHANDONG JIANZHU UNIV
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