Control Of Machines Is One Of The Most Important Functional Areas For Electrical And Mechanical Engineers Working In Industry. In This Era Of Automation And Control, Every Engineer Has To Acquaint Himself On The Design Installation, And Maintenance Of Control Systems. This Subject Must Find Its Place As A Compulsory Applied Engineering Subject In Degree And Diploma Curriculum.Some Progressive States And Autonomous Institutions Have Already Introduced This Subject In Their Curriculum. In This Book, Static Control And Programmable Controllers Have Been Included Keeping In View The Latest Developments In Modern Industry. Relay And Static Control Have Been Dealt With In Details. Most Of The Control Circuits Included In This Book Have Been Taken From Indian Industry. A Chapter Has Been Devoted To Protection Of Motors And Troubleshooting In Control Circuits.The Chapter On Plc Has Been Made Very Elaborate To Deal With All Aspects Of Logic Controllers. Review Questions Have Been Included At The End Of Each Chapter. The Explanations Of Circuits And Design Procedure Of Control Circuits Have Been Made Very Simple To Help Students Understand Easily. Students, Teachers And Shop Floor And Design Office Engineers Will Find This Book A Very Useful Companion.3.7.2 Push-button Operated Manual Star-Delta Starter This starter is constructed using one contactor, two push buttons, an over-load relay and a four pole-three position switch connected as shown in the wiring diagram as shown in Fig. 3.24. The three poles of the ... The push button is to be kept pressed till the motor picks up speed and the switch is changed over to delta. The ON-push button can then beanbsp;...
|Title||:||Control of Machines|
|Author||:||S. K. Bhattacharya, Brijinder Singh|
|Publisher||:||New Age International - 2006|