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) access It is some time that the discussion ab come out of the closet what is the beat out technology for the airlifts 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 cargoy 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 comparing Table 1 shows a direct comparison betwixt different types of elevator in accordance with the reliable technology. A first analysis tends to indicate that the gearless technology is the best one.  notwithstanding a closer inspection shows that the difference is driven by two parameters: the overall efficiency and the counterweight. Figure 1: simple machine speed in a basic cycle t td ta td tr td ta td tr td ta T tc The congressman of the efficiency on the energy is evident for any plants.

In the case of the geared or gearless elevator the difference of the arousal power is only due to the gearbox efficiency that slim down the overall result. The straw man 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 inclined by the weight raised times the pil! grimage 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 grow 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 frontward a full essay, order it on our website: OrderCustomPaper.com

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