Test Bench For Master Controller For 3 Phase Ac Locos, With Following Specification (1) Facility Of Checking Of Cam Switch Conditions With Respect To Angle To Angle Transmitters Output Current With The Help Of Led Indication. (2) Provision Of One Digital M A Meter To Measure Angle Transmitter Current ( Range 0 30m Amp. With 0.25 Percent Accuracy ) (3) Provision Of Checking Reverser Switch Status In Forward, Neutral And Reverse Conditions. (4) Provisions Of In Built Variable Dc Power Supply &