18禁裸男晨勃露j毛网站-97av麻豆蜜桃一区二区-国产偷窥真人视频在线观看-97se亚洲国产综合自在线

Principle of electric heating controlled by power regulator

The power regulator mainly uses thyristors to regulate and control heating. A power regulator is an adjustable autotransformer that can be used as a stepless and smooth voltage regulating device to drive three-phase loads

*Published on June 3, 2023 at 14:37:56 * Views: 21

The power regulator mainly uses thyristors to regulate and control heating. A power regulator is an adjustable autotransformer that can be used as a stepless and smooth voltage regulating device to drive three-phase loads