High Power Laser and Particle Beams, Volume. 36, Issue 9, 095002(2024)
Circuit topology optimization and performance improvement of magnetic resistance coil launcher
Figures & Tables(9)
Fig. 1. Schematic diagram and equivalent circuit of the 2D model of the transmitter
Fig. 4. Transmitter performance indicators under different circuit
Fig. 5. Optimized transmitter performance indicators under different circuit
Table 1. Circuit switch types and circuit functions
View tableView in ArticleTable 1. Circuit switch types and circuit functions
circuit switchability switch type switch number required energy recovery SCR type discharge circuit non-switchable semi-controlled 1 unrecoverable half-bridge type discharge circuit switchable full control 2 recoverable RCD absorption type discharge circuit switchable full control 1 unrecoverable boost-buck type discharge circuit switchable full control 2 recoverable
Table 2. Parameters of reluctance electromagnetic coil launcher
View tableView in ArticleTable 2. Parameters of reluctance electromagnetic coil launcher
capacitor voltage/V capacitor capacitance/ mF drive coil turns drive coil thickness/ mm drive coil length/ mm equivalent resistance of drive coil/mΩ equivalent inductance of drive coil/mH armature diameter/ mm armature length/ mm armature quality/ kg armature material 2100 4.7 45 62.5 120 6.2 0.25 120 120 10.68 steel-1008
Table 3. Optimal parameters of transmitter under uniform design method
View tableView in ArticleTable 3. Optimal parameters of transmitter under uniform design method
discharge circuit best trigger position/mm delay time/ms SCR type −115 − half-bridge type −129 14 RCD absorption type −131 15 boost-buck type −134 16
Table 4. Energy utilization of transmitter
View tableView in ArticleTable 4. Energy utilization of transmitter
discharge circuit muzzle speed/(m·s−1) relative SCR circuit muzzle speed improvement ratio/% efficiency/% relative SCR circuit efficiency improvement ratio/% SCR type 9.61 — 4.84 — half-bridge type 17.27 79.71 18.63 284.92 RCD absorption type 17.21 79.08 15.52 220.66 boost-buck type 17.18 78.77 16.89 248.97
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Zhenchun Wang, Yan Hu, Yuting Zhang. Circuit topology optimization and performance improvement of magnetic resistance coil launcher[J]. High Power Laser and Particle Beams, 2024, 36(9): 095002
Paper Information
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Received: Apr. 14, 2024
Accepted: Jun. 18, 2024
Published Online: Oct. 15, 2024
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