This is new development on WAG9 class with higher weight and IGBT power devices is planned for provision of radar control to measure linear speed accurately as a reference speed to help in improving the adhesion further. There is individual control of motors and it is possible to control TE of each motor in case of drop in adhesion. Link-[http://www.railelectrica.com/traction-mechanics/adhesion/]
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This is new development on WAG9 class with higher weight and IGBT power devices is planned for provision of radar control to measure linear speed accurately as a reference speed to help in improving the adhesion further. There is individual control of motors and it is possible to control TE of each motor in case of drop in adhesion.
Link-[http://www.railelectrica.com/traction-mechanics/adhesion/]