Current and voltage sensor integrated box and motor parameter real-time acquisition apparatus and method with same

Abstract

The invention discloses a current and voltage sensor integrated box and a motor parameter real-time acquisition apparatus and method with the same. The motor parameter real-time acquisition apparatus also comprises a power supply module, a torque and speed sensor module and an AppSIM simulation platform; the power supply module is connected with a three-phase four-wire input end of the current and voltage sensor integrated box, a three-phase four-wire output end of the current and voltage sensor integrated box is connected with a stator winding of a motor, the torque and speed sensor module is connected with a rotor of the motor, and the AppSIM simulation platform is connected with the current and voltage sensor integrated box and the torque and speed sensor module respectively. The motor parameter real-time acquisition apparatus is used for the real-time acquisition, storage and display of three-way voltage and three-way current signals output by the current and voltage sensor integrated box as well as for the output of speed signals and torque signals output by the torque and speed sensor module. According to the current and voltage sensor integrated box and the motor parameter real-time acquisition apparatus and method with the same, the real-time acquisition, analysis, processing, online display and dynamic storage of motor parameters can be achieved, and good real-time performance and stability are obtained.

Description

technical field [0001] The invention belongs to the field of real-time acquisition of motor parameters, in particular to a current and voltage sensor integration box, and a motor parameter real-time acquisition device and acquisition method including the current and voltage sensor integration box. Background technique [0002] The motor is an important equipment for industrial production and application, and it is also the core component of the automatic control system. Through the analysis of the motor voltage and current signals, it can be judged whether the motor has single-phase short circuit, stator winding inter-turn short circuit and other faults. Therefore, it is particularly important to monitor the operating conditions of the motor in real time. [0003] The traditional motor parameter collection is that the staff manually reads, records and analyzes the motor parameters by using conventional electrical instruments. This method is cumbersome and inefficient. Fir...

AI Technical Summary

Problems solved by technology

This method is cumbersome and inefficient

First of all, due to the non-simultaneity of meter reading and the read data are not necessarily instantaneous values, the system does not have real-time monitoring

Secondly, there are no anti-interference measures on site, the signal noise obtained is relatively large, and the ability to analyze data in real time is not available, so the system does not have the accuracy of monitoring

More importantly, the safety of this method is difficult to guarantee. If the motor parameters of high voltage and high current are measured, it may pose a threat to the safety of workers.

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