High Temperature Superconducting Magnetic Levitation

266 Ë 8 New progress of HTS Maglev vehicle Fig. 8.5:Dynamic stiffness at different FCHs of the HTS Maglev vehicle model. Fig. 8. ...

8.2 Dynamic characteristics Ë 267 vehicle system is designed to equilibrate with gravity and HTS bulk has strong flux- pinning p ...

268 Ë 8 New progress of HTS Maglev vehicle Fig. 8.7:Six vibration curves at the speed of 56.6 mm/s at 30 mm FCH: (a) forward dir ...

8.2 Dynamic characteristics Ë 269 which can be attributed to the fact that the force stiffness in the vertical direction is larg ...

270 Ë 8 New progress of HTS Maglev vehicle Fig. 8.9:Autospectra in the vertical direction at different FCHs. As shown in Fig. 8. ...

8.2 Dynamic characteristics Ë 271 adjacent permanent magnets (PMs), assembly errors such as PM cracks, junctions between PMs, et ...

272 Ë 8 New progress of HTS Maglev vehicle Fig. 8.11:Schematic diagram of the YBCO bulks array above the PMG in SCML-03. Fig. 8. ...

8.2 Dynamic characteristics Ë 273 Fig. 8.13:Corrected levitation force average in each steady velocity. caused by energy loss du ...

274 Ë 8 New progress of HTS Maglev vehicle Fig. 8.15:Levitation force relaxation after different dynamic measurement cases. spee ...

8.2 Dynamic characteristics Ë 275 “force-displacement” measurement), except for case 2 because the forces in case 2 oscillated w ...

276 Ë 8 New progress of HTS Maglev vehicle Fig. 8.17:Ring-shaped YBCO bulk sample fixed on the second-stage cooling head of the ...

8.2 Dynamic characteristics Ë 277 “force-displacement” experiments were performed with a levitation gap range from 80 to 10 mm. ...

278 Ë 8 New progress of HTS Maglev vehicle Fig. 8.20:Maximum levitation forces dependence on the working temperature under diffe ...

8.2 Dynamic characteristics Ë 279 when the ring-shaped YBCO sample was aligned with the peak line ofBz,x= −25 mm, of the Halbach ...

280 Ë 8 New progress of HTS Maglev vehicle bulk’s round-trip movement times on levitation forces was larger at higher tempera- t ...

8.3 Methods to improve Maglev performances Ë 281 small, 20 times smaller than that at 25 mm, and the influence of the bulk’s mov ...

282 Ë 8 New progress of HTS Maglev vehicle Fig. 8.23:Schematic diagram of the pre-load method. Fig. 8.24:Levitation height depen ...

8.3 Methods to improve Maglev performances Ë 283 To exhibit the advantages of the pre-load method on lateral movements, Figs. 8. ...

284 Ë 8 New progress of HTS Maglev vehicle shows that, for the no pre-load case, the levitation forces decreased from 70.471 to ...

8.3 Methods to improve Maglev performances Ë 285 For the pre-load case, the change of the guidance forces was fluctuated. The in ...