Railway operations feature the extreme range of electrical power. Very heavy power flows are used for electric traction, while microprocessor equipment is used for control and communications. Railway EMI mitigation was historically based on the protection of sensitive equipment from powerful sources of electrical energy. Concomitant with this was the protection of personnel which is to some extent linked because the magnitude of voltage stresses which can disrupt or destroy equipment are able to injure. As the operation of high power systems has become more complex and the number of sensitive systems has multiplied the number of EMI effects has increased and more subtle interactions have occurred. This paper considers: the historic measures taken to mitigate EMI effects on railway equipment; the more subtle EMI problems that are becoming apparent today; and the application of GM/RT8015. (11 pages)
Railway EMI mitigation
01.01.2003
1 pages
Aufsatz (Zeitschrift)
Englisch
AC electrification systems , DC electrification svstems , personnel protection , electromagnetic compatibility , microprocessor equipment , railway EMI mitigation , railways , rolling stock , electromagnetic interference , GM/RT8015 , supply point disturbance , electric traction , voltage stresses magnitude , EMI , very heavy power flows , EMI effects mitigation , load flow , interference suppression , sensitive equipment protection , protection , EMC problems , traction , railway operations
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