Detecting and evaluating system for overhaul health condition of three-phase asynchronous high-voltage motor

A health status, three-phase asynchronous technology, applied in the direction of motor generator testing, etc., can solve problems such as waste of human resources, delay in maintenance time, false detection and missed detection, etc.

Active Publication Date: 2013-05-01
TAIYUAN UNIV OF TECH
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Problems solved by technology

At present, the inspection method of the factory health status of the three-phase asynchronous high-voltage motor is cumbersome and unscientific. Most motor maintenance manufacturers at home and abroad use professional maintenance personnel to personally test the motor under test with a handheld instrument, and fill in the maintenance test report. This not

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Embodiment Construction

[0017] Three-phase asynchronous high-voltage motor maintenance health status detection and evaluation system, including the underlying raw data extraction module, data acquisition module, data analysis and processing module and human-machine interface (computer). The underlying raw data extraction module is a part directly connected to the motor to be tested, including a temperature transmission and conditioning circuit, a voltage sensor, a current transformer, a vibration sensor and a speed sensor.

[0018] In the temperature transmission and conditioning circuit of the present invention, the XTR105 peripheral circuit is connected with the three signal lines of the 5-way temperature signal sensor PT100 embedded in the motor, and the temperature transmission circuit converts the thermistor signal into a 4-20mA current signal, and then The current signal is converted into a voltage signal of 0.4~2V by a 100W resistor, and then connected to the non-inverting input terminal of the...

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Abstract

The invention belongs to the field of motor test and particularly belongs to a detecting and evaluating system for the overhaul health condition of a three-phase asynchronous high-voltage motor. The detecting and evaluating system for the overhaul health condition of the three-phase asynchronous high-voltage motor comprises a bottom layer raw data extraction module, a data acquisition module, a data analyzing and processing module and a human-machine interface, wherein the bottom layer raw data extraction module is used for transmitting raw data extracted from a motor body to be tested to the data acquisition module; the data acquisition module is used for acquiring the raw data and transmitting the raw data to the data analyzing and processing module; and after the raw data are analyzed and processed by the data analyzing and processing module, a characteristic parameter is displayed by the human-machine interface. The invention provides the detecting and evaluating system for the overhaul health condition of the three-phase asynchronous high-voltage motor, and the detecting and evaluating system can realize online test data recording, online parameter monitoring and analyzing and automatic generation of maintaining and reporting functions of health condition of the motor and can fuse online data with offline data.

Description

technical field [0001] The invention belongs to the field of motor testing, in particular to a system for detecting and evaluating the health status of a three-phase asynchronous high-voltage motor. Background technique [0002] After the three-phase asynchronous high-voltage motor is repaired, it needs to test and evaluate the health status to achieve specific health indicators. At present, the inspection method of the factory health status of the three-phase asynchronous high-voltage motor is cumbersome and unscientific. Most motor maintenance manufacturers at home and abroad use professional maintenance personnel to personally test the motor under test with a handheld instrument, and fill in the maintenance test report. This not only The delay in maintenance time is also a great waste of human resources; at the same time, due to the high labor intensity, the stability of manual measurement by workers is poor, and the error increases, which often leads to false and missed ...

Claims

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Application Information

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IPC IPC(8): G01R31/34
Inventor 吝伶艳武兴华李传扬宋建成田慕琴毕小玉王秀秀
Owner TAIYUAN UNIV OF TECH
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