Sem The Electric Counterwheight

The electric counterbalance How to minimize the electric consumptions and the cater Ing. Sebastiano Acquaviva - ENCOSYS s.r.l. (Torino-Italy) fundament It is some time that the discussion ab pop what is the beat out technology for the aerodynamic lifts is open. An essential parameter for this affinity is the energy consumption, or rather the two factors that determine it: the power and the energy. Another all-important(prenominal) parameter for the choice is the speed of the car. set type| hydraulic| Geared| Gearless| Speed| (m/s)| 0.63| 1.0| 1.0| Load| (kg)| 630| 630| 630| go size| (kW)| 11| 5.6| 4| Plant efficiency| %| 60| 65| 80| Counterwheight| | No| Si| Si| Tab. 1 - Plant typology comparability Table 1 shows a direct comparison in the midst of different types of elevator in accordance with the reliable technology. A first analysis tends to indicate that the gearless technology is the best one.  exactly a closer inspection shows that the differenc e is driven by two parameters: the overall efficiency and the counter incubus. Figure 1: machine speed in a basic cycle t td ta td tr td ta td tr td ta T tc The fathom of the efficiency on the energy is evident for any plants.

In the case of the geared or gearless elevator the difference of the stimulant power is only due to the gearbox efficiency that encumber the overall result. The front end of the counterweight plays an important rule on the motor size and on the power necessary for the beseeming operation, as well as on the speed. Since the power indispensable is acc ustomed by the weight raised times the pilg! rimage speed, the presence of the counterweight allows to increase the car speed be with relatively low power. Because The hydraulic elevator, for a correct functioning, needfully to plow with a high oil pressure, to equip the counterweight for this elevator typology is not convenient. Moreover, only a reduced billet of the weight can be balanced from the counterweight, then...If you want to set forrard a full essay, order it on our website: OrderCustomPaper.com

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