Lift now appears more and more in our lives, in the hotel, office building and other electricity survey found in the elevator electricity consumption accounted for seventeen percent of total electricity consumption to more than twenty-five percent, after the air conditioning electricity consumption than lighting electricity and water supply. Therefore, the elevator energy conservation has been a very important topic. Today, overseas lifts have been divided into two kinds: "energy consuming" and "advanced feedback". From the point of view of energy saving, the proportion of choosing "feedback" elevator is increasing. The energy saving effect of elevator is related to the power of elevator, the whole system of elevator and the balance system of elevator. In the following cases, the energy saving effect of elevator will be better.
1, the higher the floor, the more frequent and energy saving of the elevator.
2, the less time the installation of elevator its mechanical inertia, energy saving will be more;
3, the faster the speed of the elevator, the more frequent braking and energy saving will be.
4, the more frequent use of the elevator, the more frequent and energy saving.
Compared with the traditional "energy" elevator energy saving device, "feedback type" energy-saving device with braking in elevator energy feedback, the energy saving rate can reach thirty percent to fifty point five six percent and the energy conversion rate can reach more than ninety-seven percent, more and more popular.
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