Fig. 1. Lumped parameter model of class k synchronous induction coil transmitter

Fig. 2. single stage electromagnetic induction coil transmitter model and corresponding parameters

Fig. 3. Temperature rise of coil and armature and armature speed curve

Fig. 4. Calculation results of motion field of coil launcher

Fig. 5. Single-stage coil emitter results (t= 0.016 s)

Fig. 6. Temperature variation of a specific unit over time

Fig. 7. Test capacitor discharge circuit diagram

Fig. 8. Temperature acquisition section

Fig. 9. Layout of temperature sensors

Fig. 10. Arrangements and photo of coil temperature sensors

Fig. 11. Pulse discharge waveforms

Fig. 12. Model temperature measurements