Title :
Study on common mode EMI suppression method in NC machine tools
Author :
Lu, Hailong ; Li, Bin
Author_Institution :
Tianjin key laboratory of information sensing and intelligent control, tianjin university of technology and education, China
Abstract :
Conducted electromagnetic interference in numerical control machine are introduced at first. PWM motor drive system is widely applied to numerical control machine tools. However, owing to power converter adopts pulse width modulation, which inevitably causes conducted common mode EMI. Common mode EMI generated by voltage source PWM inverter and the essences of its adverse effects are investigated in the paper, and common mode EMI reducing methods are also presented. Finally, the common mode EMI suppressing methods are expounded.
Keywords :
Computer numerical control; Couplings; Electromagnetic interference; Harmonic analysis; Power harmonic filters; Pulse width modulation; NC machine tools; common mode voltage; electromagnetic interference;
Conference_Titel :
Information Science and Engineering (ICISE), 2010 2nd International Conference on
Conference_Location :
Hangzhou, China
Print_ISBN :
978-1-4244-7616-9
DOI :
10.1109/ICISE.2010.5691890
