International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395 -0056
Volume: 04 Issue: 04 | Apr -2017
p-ISSN: 2395-0072
www.irjet.net
POWER PROTECTION FOR CNC SYSTEM’S SERVODRIVE AND MOTOR Kuldipsinh rathod1, Manan Pathak2, Prof.Vishal Jogidas3 1Kuldipsinh
Rathod Dr.subhash technical campus Junagadh Pathak Dr.subhash technical campus Junagadh 3Prof. Vishal Jogidas, Dept. of Electrical Engineering, DSTC college junagadh, Gujarat ,India ---------------------------------------------------------------------***--------------------------------------------------------------------2. FAULTS AND ABNORMAL CONDITION IN SERVO Abstract - Computer numerical control (CNC) MOTOR AND TROUBLE SHOOT machines are used to shape the metal parts by cutting, 1. CAN’T ROTATE: this problems are take place because of milling, drilling, boring. Its consists of a servo-drives, the motor connections are loose or open. The motor is over servo-motors, and other motor. It can be programmed by load. The bearings of motor are damaged control panel. The electronic components of a CNC machine are sensitive. Sometime machine is damage by 2. MOTOR GOING TO OVERHEAT: this problems are take lightning strikes or the overvoltage. So production loss is place due to Motor current very high and motor voltage is increase and repair bills are also increase. With the high more use of CNC machines in the whole world, these 3. MOTOR IS NOISE: this problems are take place due to problems are become a financial concern to CNC motors parts loose or bolt barring are loose or The bearings machine users and their electric companies. This paper are damaged. explore the over voltage and protection technique. Finally a recommended powering andits methods are 4. OPERATION OF MOTOR IS ERRAGULAR: this problems are presented to help eliminate power quality related take place due to motor locks into position, runs without operating problems with machines and protect the control, motor Phases 1 & 2, 1 & 3 or 2 &3 reversed. drives and the motor from the overvoltage and the different issues. 5. OVERVOLTAGE AT MOTOR TERMINAL: this problems take 2Manan
KeyWords:1,servodrive2,servomotor3,filters(rc,rlc,sinewave 4,igbt 5,inverter 6,powercable
3. Protection of Servo Drive from overvoltage and surges Using Filter And Reactor
1.INTRODUCTION As We knoe CNC Machines is very usuful to shape the different types of meal by cutting, boring, drilling, and milling, and for this work different equipment is use which are servo drives, servo motor, spindle motor, and many more. This all equipment is very expensive and placed in CNC machines. A different types of abnormal conditions like over voltage, surges, flowing of fault current, short circuit, this types of conditions are damage the all parts of CNC machine which is servo motor, servo drives, spindle motor, cables, and many more equipments of drives also which are inverter, rectifier and the all types of semiconductor devices which are in the servo drives. So from the use of different types of filters, reactors this problem can be solved or the minimize. By the placing of such types of filters and reactors in the servo systems or the servo drives here we try to remove the overvoltage problem at the servo motor as well as electromagnetic interference problem at the servo drives with use of filters and reactors
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place due to Load changes and Mismatch of cable and motor terminal impedance
Impact Factor value: 5.181
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Fig.1 Protection of Servo Drive Using Filter and Reactor As the figure shows the different tpes of filters and the reactors are placed on between the source and drives and between the drives and motor which are given below, EMI FILTER: There is electromagnetic interference occurs in the servo system and it causes, interference with operation of electronics equipments, errors in measurements and in sensors’ outputs, and electrical overstres to sensitive components of drives so ISO 9001:2008 Certified Journal
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