Fig. 1. Electromagnetic simulation model of vehicle engine

Fig. 2. HEMP waveform and spectrum

Fig. 3. Coupling disturbance at cable ends

Fig. 4. Spectrum of disturbance at cable ends

Fig. 5. Electrical fast transient waveform and spectrum

Fig. 6. Test fixture of transient protection device

Fig. 7. Experimental layout

Fig. 8. TVS leakage voltage under EFT

Fig. 9. MOV leakage voltage under EFT

Fig. 10. PCI experimental layout

Fig. 11. Camshaft position sensor signal cable coupling suppress of PCI