理想元件 电阻(Resistor)R eg=Ri R “发热耗能” q=Ce。 电容(Capacitor)C i=C dec dt "e-clue “电场蓄能” School of Mechanical Engineering ME369-lecture 5.1 Shanghai Jiao Tong University Fall 2015 理想元件 电感 (Inductor)L di e -000- e.=L dt “磁场蓄能” 理想电压源 (Ideal Voltage source 理想电流源 (Ideal Current source) -e(0+ O一 0 School of Mechanical Engineering ME369-lecture 5.1 Shanghal Jiao Tong University Fall 2015 22 ME369-lecture 5.1 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University 理想元件 电阻（Resistor） R 电容（Capacitor） C R e Ri  c q Ce  1 R i e R  “发热耗能” 2 2 1 p Ri e R   C de i C dt        “电场蓄能” 1 2 2 w Cq  1 C e idt C   ME369-lecture 5.1 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University 理想元件 电感（Inductor） L 理想电压源 (Ideal Voltage source ) L di e L dt        1 2 2 w Li  理想电流源 (Ideal Current source) “磁场蓄能