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Power transformer state monitoring system

A state monitoring system and power transformer technology, applied in the direction of measuring electrical variables, signal transmission systems, measuring current/voltage, etc., can solve problems such as power outages, affecting transformer voltage transformation and power supply, etc., to achieve easy operation, simple structure, and autonomy high degree of effect

Inactive Publication Date: 2020-03-27
FUKAIER XIAN ELECTRIC
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide a power transformer status monitoring system, which solves the problem existing in the prior art that on-site maintenance requires power outages and thus affects the transformer's variable voltage power supply

Method used

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  • Power transformer state monitoring system

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0016] A power transformer condition monitoring system, such as figure 1 As shown, it includes a vibration detection module. The vibration detection module is connected with a signal conditioning module and a data acquisition card in turn. The data acquisition card is connected with a main control module through a wireless communication module. It also includes a current acquisition module and a voltage acquisition module. The current acquisition module and The voltage acquisition modules are all connected to the data acquisition card; the current acquisition module is used to collect three-phase current signals, the voltage acquisition module is used to collect three-phase voltage signals, and the main control module is used for vibration signals, three-phase current signals and three-phase voltage signals to process. The current acquisitio...

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Abstract

The invention discloses a power transformer state monitoring system including a vibration detection module, the vibration detection module is sequentially connected with a signal conditioning module and a data acquisition card, wherein the data acquisition card is connected with a main control module through a wireless communication module, the system further comprises a current acquisition moduleand a voltage acquisition module, the current acquisition module is used for acquiring three-phase current signals, the voltage acquisition module is used for acquiring three-phase voltage signals, and the main control module is used for processing vibration signals, the three-phase current signals and the three-phase voltage signals; the current acquisition module and the voltage acquisition module are connected with the data acquisition card. Abnormal vibration of the transformer can be predicted in advance, quick maintenance can be performed without power failure, and heavy loss is avoided.

Description

technical field [0001] The invention belongs to the technical field of detection devices, and relates to a power transformer state monitoring system. Background technique [0002] The transformer is the most important equipment in the power system. It can be used to connect power grids of different voltage levels together to form a complex and huge power transmission and transformation network. [0003] During the long-term operation of the transformer, various faults will inevitably occur due to the influence of external environmental factors. Once a fault occurs, it will directly affect the safe operation of the power grid. The iron core and winding are the main components of the transformer. The vibration of the iron core laminations caused by magnetostriction and magnetic flux leakage, as well as the current and electromotive force of the winding are the main reasons for the mechanical vibration of the transformer. When the winding is deformed or the iron core is loose, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01H11/08G01R19/00G08C17/02
CPCG01H11/08G01R19/00G08C17/02
Inventor 王少锋张超雷张佩
Owner FUKAIER XIAN ELECTRIC
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