AC insulation monitoring technology for EAST fast control power supply

作者：Huang, Haihong; Liu, Nini^*; Wang, Haixin

来源：Electronics Letters, 2018, 54(9): 587-588.

DOI：10.1049/el.2017.4325

To ensure the stable operation of Experimental Advanced Superconducting Tokamak (EAST) fast control power supply, a new alternating current insulation monitoring technique is presented in this Letter which is suitable for the high-frequency and high-voltage working environment of EAST fast control power supply. The method uses alternately switching resistance in an unbalanced bridge to change the voltage, and detects the voltage in real time, then calculates the insulation resistance. The simulation platform based on Simulink was built to carry out real-time insulation monitoring analysis of EAST fast control power supply as voltage input, the waveforms of which were consistent with the expected. Through experimental verification, the new method can work well for EAST fast control power supply.

• 出版日期2018-5-3
• 单位合肥工业大学