Understing basic characteristics of transistor, resistor, capacitordiode.
具备基本的晶体管、电阻器、电容器和二极管知识。
2
The diode ACTS like a variable resistance, low when the charging current to the capacitor is high, then increasing in value as the current decreases with time.
该二极管象一个可变的电阻。当电容器的充电电流很大时，其阻值很低；而电流随时间变小时，其阻值增大。
3
Parameters of main power devices which include diode, IGBT, capacitor, inductance and buffer snubber circuit have been calculated in main circuit in the article.