Protection and Control of Three-Phase Induction Motor using Crouzet Millenium PLC
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 2014, Vol 3, Issue 12
Abstract
Induction Motors (IM) are used in many industrial applications in a wide range of operating areas as they have simple and robust structure, and low production costs. The knowledge about fault behavior of an Induction Motor drive is extremely important from standpoint of improved system design, protection, and fault tolerant control. Here different problems are dealt such as overvoltage, overcurrent, over speed which are being faced by IM’s during their course of operation. There are various methods for fault detection and protection of Induction Motors. Some of them are Online fault detection, Stator fault monitoring techniques, Microcontroller based protection system and Programmable Logic Controller (PLC) based protection system. In this context, protection for three-phase Induction Motor is enabled using Crouzet Millenium PLC. The PLC correlates the operational parameters of the 3-Ø Induction Motor with the desired values preset by the user in the PLC that continuously monitor the system and isolate it during fault conditions. Thus, PLC proves an effective tool in industrial control of electric drives.
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