Induction Motor Monitoring using Wireless Sen...

Induction Motor Monitoring using Wireless Sensor System

Author Name : Deepali Sharma, B. Chiranjeev Rao

ABSTRACT

The motor energy efficiency and health conditions are estimated using only motor terminal electrical data through WSNs in an online, remote, and nonintrusive manner. The feasibility of the proposed scheme has been demonstrated through a series of laboratory experiments and field tests. This paper has also addressed the challenges when applying the proposed WSN scheme in industrial environments, including wireless-link quality dynamics, noise and interference, and environmental impact on communication range and reliability. The system has been designed to merge various parameter measurements in real-time, improving the detectability of faults. The monitoring of the motor system involves the measurement of several quantities, namely vibrations, temperature and current consumption. Thus, compared to a conventional approach that relies solely on vibrations, this design has two more information sources which can trigger an alarm. The wireless communications are based on the IEEE 802.15.4 standard in beacon-enabled mode and with guaranteed time slot. This ensures the data transmission and a synchronous acquisition, which are critical elements in a condition monitoring system based on a wireless sensor network. The data received by the coordinator node is stored and assessed in a PC. The data is graphically presented in real-time by means of a virtual instrument developed in LabVIEW. The proposed system can be easily scaled up to include other sensors on the sensing node for the measurement of other parameters of interest, or to add new sensor nodes to the wireless network.

Keywords: Induction Motor, Monitoring, WSN, LabView