腈纶纺丝变频调速系统抗电网电压波动的对策

Measures to deal with the voltage fluctuation of electric power network for frequency conversion speed control in acrylic fiber filature plant

介绍了西门子共用直流母线多电动机变频速系统在大庆石化分公司腈纶厂纺丝生产线上的应用情况;阐述了西门子直流母线加逆变器技术的优缺点,分析了纺丝变频调速系统在电网瞬时失电或低电压时变频器停机的原因及解决办法。

The application of Siemens frequency conversion speed control of common direct current generatrix multiple motors in acrylic fiber filature plant of Acrylic Fiber Plant of Daqing Petrochemical Company is introduced. The advantages and disadvantages of Siemens direct current generatrix with deversion technology are reviewed. Causes that lead to frequency conversion stop when instantaneous power failure or low voltage happening are analyzed and the solvents are given.