How do the AC-DC locos (WCAM series) switch from one power source to another on the run?

16-07-2019

At DC/AC changeover points as on the Virar-Vaitarna section, WCAM locos can switch from one power source to another without stopping. The WCAM-1 has a selector on the rightmost side of horizontal control panel for selecting the pantograph. It has four positions, DC, AC, DC-ALT and AC-ALT. In DC and AC-ALT mode, pantograph with two collector shoes is raised; in AC and DC-ALT, pantograph with one collector shoe is raised. The DC pantograph has two shoes and is thicker in its contact area than the AC pantograph because it has to carry a larger current corresponding to the lower voltage. The ALT positions allow the DC pantograph to be used for AC traction or the AC pantograph to be used for

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Raipid Rail क्या है? कैसे बदलेगा शहरों का भविष्य | Delhi-Meerut RRTS पूरी जानकारी

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