Fig. 1. Overall structural diagram of MCSET.
Fig. 2. Traditional controlled-source circuit.
Fig. 3. Traditional controlled-source circuit waveform.
Fig. 4. Schematic of the buffer circuit.
Fig. 5. Clamping-diode controlled-source circuit.
Fig. 6. Clamping-diode controlled-source circuit waveform.
Fig. 7. Clamping-diode controlled-source equivalent circuit.
Fig. 8. Transformer interlayer equivalent capacitance.
Fig. 9. High-frequency diode equivalent circuit. (a) Diode forward-conduction equivalent circuit. (b) Diode reverse-blockingequivalent circuit.
Fig. 10. Drive simulation waveforms of S1, S2, S3, and S4 IGBTtubes.
Fig. 11. T-CSC simulation waveform. Us is the secondaryvoltage waveform of the transformer, Ud is the high-frequencydiode output voltage waveform, Uab is the primary voltagewaveform of the transformer between “a” and “b,” and iP is theprimary voltage waveform of the transformer.
Fig. 12. CD-CSC waveform. Uab is the primary voltagewaveform of the transformer between “c” and “b”, Ud is thehigh-frequency diode output voltage waveform, iD7 is the diodeD7 current, iD8 is the diode D8 current, ip is the primary currentwaveform of the transformer, iL1 is the resonant inductor L1current, and Uab is the primary voltage waveform of thetransformer between “a” and “b.”
Fig. 13. MCSET physical diagram.
Fig. 14. T-MCSET physical waveform. Ud is the high-frequencydiode voltage, US3 is voltage waveform of the lagging switch S3,Uab is the primary voltage waveform of the transformer, and iP isthe primary current waveform of the transformer.
Fig. 15. CDC-MCSET physical waveform. (a) Ud is the high-frequency diode output voltage waveform, Us is the secondary voltagewaveform of the transformer, Uab is the primary voltage waveform of the transformer between “a” and “b”, and ip is the primarycurrent waveform of the transformer. (b) iD7 is the diode D7 current, iD8 is the diode D8 current, and iL1 is the resonant inductor L1current.
Fig. 16. Temperature curve of the MCSET key components.
Fig. 17. Comparison of output voltage Uo and input voltage Uin.
Fig. 18. Comparison of output current Io and input voltage Uin.
Fig. 19. Comparison of efficiency and load current.
Fig. 20. CDC-MCSET emitting the voltage waveform Vop andthe current waveform Iop.
TABLE I PARAMETERS OF THE CONTROLLED-SOURCE CIRCUIT
References
- S. Constable, "Ten years of marine CSEM for hydrocarbon exploration," Geophysics, Vol. 75, No. 5, pp.75A67-75A81, Sep./Oct. 2010. https://doi.org/10.1190/1.3483451
- M. C. Sinha, P. D. Patel, M. J. Unsworth, T. R. E. Owen, and M. R. G. Maccormack, "An active source electromagnetic sounding system for marine use," Marine Geophysical Res., Vol. 12, No. 1-2, pp. 59-68, 1990. https://doi.org/10.1007/BF00310563
- S. Constable, and L. J. Srnka, "An introduction to marine controlled source electromagnetic methods for hydrocarbon exploration," Geophysics, Vol. 72, No. 2, pp. WA3- WA12, Mar./Apr. 2007. https://doi.org/10.1190/1.2432483
- K. Weitemeyer, and S. Constable, "Navigating marine electromagnetic transmitters using dipole field geometry," Geophysical Prospecting, Vol. 62, No. 3, pp. 573-596, May 2014. https://doi.org/10.1111/1365-2478.12092
- S. Petersen, M. Hannington, T. Monecke, and G. Cherkashov, "Are modern seafloor massive sulfide deposits a possible resource for mankind: Lessons learned from shallow drilling operations," Oceans'11 MTS/IEEE KONA, pp. 1-3, 2011.
- D. Myer, S. Constable, and K. Key, "Broad-band waveforms and robust processing for marine CSEM surveys," Geophysical Journal International, Vol. 184, No. 2, pp. 689-698, Feb. 2011. https://doi.org/10.1111/j.1365-246X.2010.04887.x
- A. Orange, K. Key, and S. Constable, "The feasibility of reservoir monitoring using time-lapse marine CSEM," Geophysics, Vol. 74, No. 2, pp. F21-F29, Mar./Apr. 2009. https://doi.org/10.1190/1.3059600
- J.-G. Cho, J. A. Sabate, G. Hua, and F. C. Lee, "Zerovoltage and zero-current-switching full bridge PWM converter for high-power applications," IEEE Trans. Power Electron., Vol. 11, No. 4, pp. 622-628, Jul. 1996. https://doi.org/10.1109/63.506128
- R. Redl, N. O. Sokal, and L. Balogh, "A novel softswitching full-bridge DC/DC converter: analysis, design considerations, and experimental results at 1.5 kW, 100 kHz," IEEE Trans. Power Electron., Vol. 6, No. 3, pp. 408-418, Jul. 1991. https://doi.org/10.1109/63.85909
- R. Redl, L. Balogh, and D. W. Edwards, "Optimum ZVS full-bridge DC-DC converter with PWM phase-shift control analysis design consideration and experimental results," in Proc. APEC' 1994. Vol. 1, pp. 159-165. 1994.
- X. Ruan and F. Liu, "An improved ZVS PWM full-bridge converter with clamping diodes," 2004 IEEE 35th Annual Power Electronics Specialists Conference, Vol. 2, pp. 1476-1481, 2004.
- W. Chen, X. Ruan, Q. Chen, and J. Ge, "Zero-voltageswitching PWM full-bridge converter employing auxiliary transformer to reset the clamping diode current," IEEE Trans. Power Electron., Vol. 25, No. 5, pp. 1149-1162, May. 2010. https://doi.org/10.1109/TPEL.2009.2038698
- X. Wu, J. Zhang, X. Xie, and Z. Qian, "Analysis and optimal design considerations for an improved full bridge ZVS DC-DC converter with high efficiency," IEEE Trans. Power Electron., Vol. 21, No. 5, pp. 1225-1234, Sep. 2006. https://doi.org/10.1109/TPEL.2006.880348
- H. Tao, Y. Zhang, and X. Ren, "Small-signal modeling of marine electromagnetic detection transmitter controlledsource circuit," Mathematical Problems in Engineering, pp. 1-9, 2015.
- H. Tao, Y. Zhang, and X. Ren, "A novel circuit of marine controlled source electromagnetic transmitter," Electric Power Components and Systems, Vol. 44, No. 9, pp. 1063- 1070, 2016. https://doi.org/10.1080/15325008.2016.1147105
- F. Yu and Y. Zhang, "Modeling and control method for high-power electromagnetic transmitter power supplies," J. Power Electron., Vol. 13, No. 4, pp. 679-691, Jul. 2013. https://doi.org/10.6113/JPE.2013.13.4.679
- S.-Y. Lin and C.-L. Chen, "Analysis and design for RCD clamped snubber used in output rectifier of phase-shift full-bridge ZVS converters," IEEE Trans. Ind. Electron., Vol. 45, No. 2, pp. 358-359, Apr. 1998. https://doi.org/10.1109/41.681236
- L. H. Mweene, C. A. Wright, and M. F. Schlecht, "A 1 kW, 500 kHz front-end converter for a distributed power supply system," in Proc .APEC' 89, pp. 423-432, 1989.
- M. Xu, Y. Ren, J. Zhou, and F. C. Lee, "1-MHz self-driven ZVS full-bridge converter for 48-V power pod and DC/DC Brick," IEEE Trans. Power Electron., Vol. 20, No. 5, pp. 997-1006, Sep. 2005. https://doi.org/10.1109/TPEL.2005.854019
- J. A. Sabaté, V. Vlatkovic, R. B. Ridley, F. C. Lee, and B. H. Cho, "Design considerations for high-voltage high-power full-bridge zero-voltage switched PWM converter," in Proc. APEC' 90, pp. 275-284, 1990.
- L. Zhao, H. Li, X. Wu, and J. Zhang, "An improved phase-shifted full-bridge converter with wide-range ZVS and reduced filter requirement," IEEE Trans. Ind. Electron., Vol. 65, No. 3, pp. 2167-2176, Mar. 2018. https://doi.org/10.1109/TIE.2017.2740823
- J. Tian, J. Gao, and Y. Zhang, "Design of a novel integrated L-C-T for PSFB ZVS converters," J. Power Electron., Vol. 17, No. 4, pp. 905-913, Jul. 2017. https://doi.org/10.6113/JPE.2017.17.4.905
- J. Tian, Y. Zhang, and X. Ren, "Calculation of leakage inductance of integrated magnetic transformer with separated secondary winding used in ZVS PSFB converter," J. Magn., Vol. 21, No. 4, pp. 644-651, Dec. 2016. https://doi.org/10.4283/JMAG.2016.21.4.644
- S. Liu, S. Wang, L. Wang, and H. Ben, "Analysis and control of parasitic oscillation of the output rectifier bridge in DC/DC converter," Power Electronics of China, Vol. 43, No. 10, pp. 83-85, Oct. 2009.