A THEORETICAL STUDY OF ELECTROMAGNETIC TRANSIENTS IN A LARGE PLATE DUE TO VOLTAGE IMPACT EXCITATION
Maxwell's equations are solved to determine transient electromagnetic fields inside as well as outside of a large conducting plate of an arbitrary thickness. The plate is carrying a uniformly distributed excitation winding on its surfaces. Transient fields are produced due to sudden application...
| Main Authors: | , , , |
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| Format: | Article |
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E M W PUBLISHING
2008
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| Subjects: | |
| Online Access: | http://shdl.mmu.edu.my/2781/ |
| Summary: | Maxwell's equations are solved to determine transient electromagnetic fields inside as well as outside of a large conducting plate of an arbitrary thickness. The plate is carrying a uniformly distributed excitation winding on its surfaces. Transient fields are produced due to sudden application of a d.c. voltage at the terminals of the excitation winding. On the basis of a linear treatment of this initial value problem it is concluded that the transient fields may decay at a faster rate for conducting plates with smaller values of relaxation time. It is also shown that the growth of flux in a perfectly nonconducting plate is a piecewise linear function of time and the current in its excitation winding is a series of step function of time. |
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