The phasor diagram is a name given to a sketch in the complex plane of the phasor voltages and currents throughout a specific circuit

8-2 Superposition, source transformation and Thevenin's theorem Superposition:

8-1 Nodal, mesh and loop analysis Nodal analysis:

6.5 汽车空调系统的维修 6.6 汽车空调系统的故障诊断

邢台职业技术学院：汽车运用与维修专业《汽车电气设备原理与检修》课程教学资源（PPT课件讲稿）教学指南

1.电气控制系统的原理设计及工艺设计 2. C534JI立车横梁电气控制系统设计

We define the ratio of the phasor voltage to the phasor current as impedance

《电路》（英文版）7-6 Phasor relationships for、and R:

1、复数的代数式:F=a+jbj=√-1 2、复数的矢量表示 3、复数的三角式:

sinusoidal current or voltage at a given frequency is characterized by only two parameters an amplitude and a phase angle. The complex representation of the voltage or current is also characterized by these same two parameters