Remember the presence of the switching power supply, which works totally differently from the conventional transformer-rectifier-filter setup found in nearly all audio gear.
记住开关式电源的存在。那是同设立在几乎所有音频齿轮上的传统的变压器—整流器—过滤器设备完全不同的。
2
The circuit was meant to be powered by a power supply, which is why there is no transformer, rectifier, or filter capacitors on the schematic.
该电路是指由一个电源，这就是为什么没有变压器，整流器，或者过滤器供电电容的示意图。
3
Its software is designed to calculate the running parameters of the AC drive system, including transformer, quadrant rectifier, DC circuit, inverter, AC motor and train load.