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Fig. 4. Example of a transformer with a winding ratio of N = 2 and magnetically coupled equivalent inductance, /’,, and Ix, is the primary and secondary coupling and i, is the mutual coupling.

Figure 4 Example of a transformer with a winding ratio of N = 2 and magnetically coupled equivalent inductance, /’,, and Ix, is the primary and secondary coupling and i, is the mutual coupling.

Related Figures (16)

Fig. 2. Pulsed-power conditioning system with inductive intermediate storage of electric energy in the pulse transformer. Fig. 1. Pulsed-power conditioning system with inductive intermediate storage of electric energy.
Fig. 2. Pulsed-power conditioning system with inductive intermediate storage of electric energy in the pulse transformer. Fig. 1. Pulsed-power conditioning system with inductive intermediate storage of electric energy.
Fig. 3. Principal circuit diagram for transmission line transformer made with commercial RG-58 coaxial cable. More information about the other model is found in Keping [6]. Modern cable technology can handle very high electric field stress and this gives the opportunity to use high-voltage ca- bles as windings [7]. The continuous voltage limit can be ex- ceeded several times when the cable is used in pulsed applica- tions. However, the insulation strength of the cable is strongly dependent on the pulse duration.
Fig. 3. Principal circuit diagram for transmission line transformer made with commercial RG-58 coaxial cable. More information about the other model is found in Keping [6]. Modern cable technology can handle very high electric field stress and this gives the opportunity to use high-voltage ca- bles as windings [7]. The continuous voltage limit can be ex- ceeded several times when the cable is used in pulsed applica- tions. However, the insulation strength of the cable is strongly dependent on the pulse duration.
Fig. 5. Magnetically coupled transformer circuit with distributed inductance capacitance and resistance has V = 4 and is used in Section III-E (couplinc factors and parameter values omitted in this figure).
Fig. 5. Magnetically coupled transformer circuit with distributed inductance capacitance and resistance has V = 4 and is used in Section III-E (couplinc factors and parameter values omitted in this figure).
Fig. 6. Pulse-forming system at the FOI.
Fig. 6. Pulse-forming system at the FOI.
Fig. 8. Pulse transformer mounted in pulse-forming system. Fig. 7. Typical measurement showing the storage-inductor current (long pulse) and the load voltage (short).
Fig. 8. Pulse transformer mounted in pulse-forming system. Fig. 7. Typical measurement showing the storage-inductor current (long pulse) and the load voltage (short).
Fig. 9. Semicon cable used as secondary winding.
Fig. 9. Semicon cable used as secondary winding.
Fig. 10. Semicon transformer with rubber foils covering the primary input terminals. a screen to make it coaxial, Fig. 9 shows the inner conductor without the screen.
Fig. 10. Semicon transformer with rubber foils covering the primary input terminals. a screen to make it coaxial, Fig. 9 shows the inner conductor without the screen.
SEMICON TRANSFORMER DATA FOR THE SECONDARY WINDING Fig. 11. Typical semicon transformer performance showing primary voltage U,, primary current I,,, and secondary voltage U’,.
SEMICON TRANSFORMER DATA FOR THE SECONDARY WINDING Fig. 11. Typical semicon transformer performance showing primary voltage U,, primary current I,,, and secondary voltage U’,.
Fig. 13. Unit step response and Bode plot (right) for the transformer. Fig. 12. Measured and calculated output.
Fig. 13. Unit step response and Bode plot (right) for the transformer. Fig. 12. Measured and calculated output.
Fig. 14. Measured compared to the simulated step response and Bode plot (right).
Fig. 14. Measured compared to the simulated step response and Bode plot (right).
Fig. 15. Measured (left) and the simulated primary current with the capacitor bank charged to 17 kV, and the fuse equipped with 18 and 37 copper wires.
Fig. 15. Measured (left) and the simulated primary current with the capacitor bank charged to 17 kV, and the fuse equipped with 18 and 37 copper wires.
Fig. 16. Measured (left) and simulated voltage into the 15 2 load.
Fig. 16. Measured (left) and simulated voltage into the 15 2 load.
Fig. 17. Output power into the resistive load calculated with U2/R.
Fig. 17. Output power into the resistive load calculated with U2/R.
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Plasma PhysicsPulsed Power
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