Vol. 4 Issue 2
Year:2016
Issue:Feb-Apr
Title:Automation in Speed Control and Overcurrent Protection of Three Phase Induction Motor
Author Name:M.M. Kharade, and N.R Kulkarni
Synopsis:
The intent of the paper is to control the speed and give protection to Induction Motor (IM). Thereby it limits the starting current and protects the induction motor under load/ overload conditions. The control panel is designed to control the speed and protection of 3 phase IM and required control is done by PLC (Programmable Logic Controller). The motor is run at no load condition and load condition, for manual mode and PLC mode. At manual mode, if frequency is changed, the motor speed changes by keeping v/f ratio constant but, regulation in speed is high. At PLC mode, if frequency is changed, the motor speed remains constant, by keeping v/f ratio constant and speed regulation zero. The speed control of the induction motor in manual and PLC mode is accessed by using the selector switch [1]. SCADA (Supervisory Control and Data Aquisition) is used for monitoring and controlling of induction motor performance and it also collects performance data of the induction motor. This is how the starting, control the speed and protection of IM is achieved by using PLC and SCADA, and the operation is sufficiently high efficient and reliable [1], [2].
Year:2016
Issue:Feb-Apr
Title:Automation in Speed Control and Overcurrent Protection of Three Phase Induction Motor
Author Name:M.M. Kharade, and N.R Kulkarni
Synopsis:
The intent of the paper is to control the speed and give protection to Induction Motor (IM). Thereby it limits the starting current and protects the induction motor under load/ overload conditions. The control panel is designed to control the speed and protection of 3 phase IM and required control is done by PLC (Programmable Logic Controller). The motor is run at no load condition and load condition, for manual mode and PLC mode. At manual mode, if frequency is changed, the motor speed changes by keeping v/f ratio constant but, regulation in speed is high. At PLC mode, if frequency is changed, the motor speed remains constant, by keeping v/f ratio constant and speed regulation zero. The speed control of the induction motor in manual and PLC mode is accessed by using the selector switch [1]. SCADA (Supervisory Control and Data Aquisition) is used for monitoring and controlling of induction motor performance and it also collects performance data of the induction motor. This is how the starting, control the speed and protection of IM is achieved by using PLC and SCADA, and the operation is sufficiently high efficient and reliable [1], [2].
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