... lasing at high total output power of 272 .6 mW at ~1.3 lm under CW operation Extremely high single lateral mode output power of 610 mW/facet was achieved in pulsed operation with minimal power saturation ... QD lasers Compared with CW operation, power saturation and kinks in the output power characteristics are greatly reduced in pulsed mode, which is attributed to reduction in device heating High ... output power P and external differential quantum efficiency gd of our ten-layer InAs narrow RWG QD lasers are among the highest values in the 1.29–1.30 lm wavelength range ever reported The high...
... Cataloging-in-Publication is available ISBN-13 978 -0- 471 -73 171 -9 ISBN-10 0- 471 -73 171 -4 Printed in the United States of America 10 ftoc.qxd 1/3/20 07 2:16 PM Page v Contents Preface xiii Part One ... Carrier-Based PWM 170 Summary 173 References 175 Appendix 176 Other Multilevel Voltage Source Inverters 9.1 9.2 9.3 9.4 179 179 Introduction NPC/H-Bridge Inverter 179 9.2.1 Inverter Topology 179 9.2.2 ... press pack) IGBT 1 .7 kV/3.6 kA (Eupec) 0 Figure 2.1-1 2.2 2.2.1 I (kA) Voltage and current ratings of high- powersemiconductor devices HIGH- POWER SWITCHING DEVICES Diodes High- power diodes can...
... ports, and the resistive power divider is lossy The Wilkinson power divider has all ports matched and has isolation between output ports, but is lossy [1] The Wilkinson power divider is a 3-port ... Subst="MSub1" W=1.53303 mm {t} L=40.32 07 mm {t} MLIN TL13 Subst="MSub1" W=1.53303 mm {t} L=41.52 07 mm {t} MLIN TL10 Subst="MSub1" W=2.963230 mm L=10 mm {-t} 1 87 Term Term2 Num=2 Z=50 Ohm R R1 R=100 ... brigde methods, we propose a combination methods from the medium power modul and the small power modul (Figure 3) 0o 0o 200W 200W Fig The power combining use Wilkinson brigde Experiments result We...
... weight Total weight Values 0. 071 in Ž0.18 cm 3.2 cm3 35 g 0. 076 in Ž0.19 cm 69 g 60% 14 0.060 in Ž0.15 cm 2 .7 cm3 30 g 0.0 67 in Ž0. 17 cm 57. 3 g 65% 15 0.0 572 in Ž0.145 cm 76 5 cm3 1.3 grcm3 5.1 molsrl ... 171 .5 195.0 184.0 206.0 196.0 216.5 2 07. 0 – – 2.6 2.1 20.9 20.8 29.1 29.6 36.4 38.0 43.4 45.8 35.5 33.5 47. 0 44.0 50.0 47. 0 56.0 53.0 63.0 60.0 68.5 65.5 – – 32.4 31.3 40.8 40.3 57. 8 58.2 77 .5 ... milesrh Ž31.3 mrs., the battery power required is 19 kW and the specific power is 31 .7 Wrkg With these power requirements, the effectiveness of a battery design powering an electric vehicle can...
... Trinidad, J Power Sources 78 (1999) 220 [33] T Juergens, R.F Nelson, J Power Sources 53 (1995) 201 [34] J.R Pierson, J Zagrodnik, R.J Johnson, J Power Sources 67 (19 97) [35] R.C Bhardwaj, J Power Sources ... Wollersheim, J Power Sources 67 (19 97) 33 [24] M Saakes, E Kluiters, D Schmal, S Mourad, P ten Have, J Power Sources 78 (1999) 199 [25] M Saakes, C Kleijnen, D Schmal, P ten Have, J Power Sources ... Steinmetz, J.P Hilger, J Power Sources 53 (1995) 53 [30] N Bui, P Mattesco, P Simon, J Steinmetz, E Rocca, J Power Sources 67 (19 97) 61 [31] R.D Prengaman, J Power Sources 78 (1999) 123 [32] M.L...
... 263– 271 Holtz J On the spatial propagation of transient magnetic fields in AC machines IEEE Transactions on Industry Applications 1996; 32: 9 27 9 37 Holtz J Pulse width modulation for electronic power ... distortion and torque pulsation reduction in high- power induction motors using genetic algorithms Journal of Zhejiang University SCIENCE A, 2008, 9(12), pp 174 1- 175 2 Sayyah A, Aflaki M, Rezazade AR Optimization ... Munich, Germany, 2006, pp. 874 – 879 www.intechopen.com 44 Mechatronic Systems, Simulation, Modelling and Control Sun J Optimal pulsewidth modulation techniques for highpower voltage-source inverters...
... 75 3.6 Quy trình hiệu chuẩn quang thông HPCOBLED 76 3.6.1 Xác định hệ số hiệu kabs 76 3.6.2 Quy trình đo quang thông 76 3 .7 Kết hiệu chuẩn quang thông HPCOBLED 77 ... chuẩn quang thông HPCOBLED 77 3 .7. 1 Kết xác định hệ số kabs 77 3 .7. 2 Xác định quang thông HPCOBED 78 3 .7. 3 Ước lượng độ không đảm bảo đo 79 3.8 Nghiên cứu tính chất quang ... phân 73 Hình 3.18 Kết hiệu chuẩn phổ công suất 74 Hình 3.19 Kết đánh giá độ ổn định hệ thống đo 75 Hình 3.20 Ảnh HPCOBLED gắn đế tản nhiệt TECMount 284 77 Hình 3.21...
... 75 3.6 Quy trình hiệu chuẩn quang thông HPCOBLED 76 3.6.1 Xác định hệ số hiệu kabs 76 3.6.2 Quy trình đo quang thông 76 3 .7 Kết hiệu chuẩn quang thông HPCOBLED 77 ... chuẩn quang thông HPCOBLED 77 3 .7. 1 Kết xác định hệ số kabs 77 3 .7. 2 Xác định quang thông HPCOBED 78 3 .7. 3 Ước lượng độ không đảm bảo đo 79 3.8 Nghiên cứu tính chất quang ... phân 73 Hình 3.18 Kết hiệu chuẩn phổ công suất 74 Hình 3.19 Kết đánh giá độ ổn định hệ thống đo 75 Hình 3.20 Ảnh HPCOBLED gắn đế tản nhiệt TECMount 284 77 Hình 3.21...
... of highpower and energy applications: a) Stable crystal structure during electrochemical cycling, especially at high current density; b) High safety and good cyclic performance; c) Highpower ... LixC6/LiCoO2 generally cannot meet the requirements of these highpower applications due to low power density and safety problems To achieve higher power density of single lithium battery, either current ... such as in EVs and HEVs, which require highpower density since under the same discharge current density, the higher the operation voltage, the higher the power density can be provided [24, 43]...
... 60 60 63 63 67 68 73 75 77 77 79 86 88 92 CONCLUSION 95 REFERENCES 97 APPENDIX A 99 APPENDIX B 102 VITA 1 07 ix LIST OF FIGURES ... different gain levels 76 Fig 5.11 Power consumption 77 Fig 5.12 VGA testing pins arrangement 77 Fig 5.13 VGA inputs/outputs testing setup 78 Fig 5.14 Frequency response ... to 16dB 71 Fig 5 .7 Gain steps from -12dB to 0dB 72 Fig 5.8 Gain steps from -26dB to -14dB 72 Fig 5.9 Noise Figure for different gain levels 74 Fig 5.10 IIP3...