Energy Consumption and Power Requirements of Elevators

  • Joris Schroeder


The energy consumption of elevator systems is difficult to define since many parameters are involved. In a study performed in 1984, Hans Bosshardt of Schindler Management AG showed that there is a “typical trip” representing the average daytime energy consumption of an elevator system. The typical trip time in seconds must be multiplied by the motor rating in Kw and the number of trips performed to arrive at the energy consumption:
$$ E\left( {Kwh/h} \right) = Motor\left( {Kw} \right)\, \times \,Starts\left( {1/h} \right)\, \times \,TP(s)/3600\left( {s/h} \right) $$
The typical trip time (TP) is different for different drive systems. Also, it is affected by the number of floors served, motor size, roping, and the like. The mean value, however, is a good indication of the quality of the drive system in terms of energy consumption (Table 1).


Elevator System Machine Room Typical Consumption Roundtrip Time Typical Trip 


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Copyright information

© Van Nostrand Reinhold Company Inc. 1988

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  • Joris Schroeder

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