automatic changeover switch for generator circuit diagram

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automatic changeover switch for generator circuit diagram

[1]- The automatic changeover switch controller governs the all system. It is about a programmable controller that continuously monitor the power utility, the backup generator and the engine.   [2]- The Power utility (or mains if you will) is connected via protection FUSES to the automatic changeover controller.   [3]- The backup generator is connected via protection as well. This protect the cables in case of short circuit.   [4]- The Generator Auto Start Module takes care to start the engine.   [5]- The Changeover Switch is made of two contactors with embedded auxiliary contacts an interlock mechanism.   [6]-  The auxiliary relays drive the coils of the contactors.   [7]- The auxiliary relays drive the Generator Auto Start module.   [8]- Power Utility (sometimes called ‘MAINS’)   [9]- The Generator Power Connections (usually 3-phase with neutral).