This paper describes an asymmetric control method for the firing angle and a start/stop timing shift control of four thyristor converters called "Booster PS" to minimize the reactive power fluctuation during plasma initiation in JT-60SA. From the simulation using the "PSCAD/EMTDC" code, it is found that these control methods can drastically reduce the reactive power induced by the four units of the "Booster PS". In addition, the voltage fluctuation of the motor-generator connected to the "Booster PS" is expected to be suppressed. This can also contribute to achieve stable control of the JT-60SA magnet power supplies.
All Science Journal Classification (ASJC) codes
- Condensed Matter Physics
Shimada, K., Terakado, T., Yamauchi, K., Matsukawa, M., Baulaigue, O., Coletti, R., ... Novello, L. (2013). Minimization of reactive power fluctuation in JT-60SA magnet power supply. Plasma Science and Technology, 15(2), 184 - 187. https://doi.org/10.1088/1009-0630/15/2/22