| 摘要 |
In an embodiment, a circuit 100 includes: a first switch 120,220 serially connected to a first discharge resistor 130,230, the first switch and the first discharge resistor connected to a positive DC bus 170,270; a second switch serially connected to a second discharge resistor 132,232, the second switch and the second discharge resistor connected to a negative DC bus 180,280; and a capacitor bank 140 for storing a positive and a negative DC voltage, the capacitor bank including a first capacitor in parallel with the first switch and the first discharge resistor, and a second capacitor in parallel with the second switch and the second discharge resistor, wherein the first switch 120,220 operates independently from the second switch 122,222 to discharge the positive DC voltage through the first discharge resistor 130,230 and the second switch operates independently from the first switch to discharge the negative DC voltage through the second discharge resistor 132,232. |
