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Machine Riddle No.34 – Energy savings in twin elevators

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    Sinnadurai Sripadmanaban

      In two-elevator buildings where lift wells are located side by side instead of two separate motors if we connect the two lift cars by a single rope and connect to a single motor and control by a single PLC can we save energy?…
      In two-elevator buildings where lift wells are located side by side instead of two separate motors if we connect the two lift cars by a single rope and connect to a single motor and control by a single PLC can we save energy?.Only disadvantage will be each car will stop in some floors although no one in that car either gets in or out.Why can't we tolerate it?.

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