多线缆开关功率变换器的电磁辐射模型及其建模方法

• Format: Patent
• Language: Chinese
• Published: 27.08.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

本发明公开了一种多线缆功率开关变换器的电磁辐射模型，将开关功率变换器的输入输出端口等效为多线缆开关功率变换器高频辐射模型的激励电压源，提取线缆的高频辐射阻抗作为多线缆开关功率变换器高频辐射模型的阻抗发射源，并且考虑了多线缆之间的耦合作用，并给出了等效耦合阻抗的数学模型。 The invention discloses an electromagnetic radiation model of a multi-cable power switch converter, which is characterized in that an input/output port of the switch power converter is equivalent to an excitation voltage source of a high-frequency radiation model of the multi-cable switch power converter; the high-frequency radiation impedance of the cables is extracted to serve as an impedance emission source of a high-frequency radiation model of the multi-cable switching power converter, the coupling effect among the multiple cables is considered, and a mathematical model of equivalent coupling impedance is given.