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NEWS AND EVENTS

PRESS RELEASE

Energy-saving elevator

PUBLISH TIME: 2021-04-13

What are the characteristics of energy-saving elevators? Let us find out.

 

Traction machines, the heart of elevators, have undergone changes in technologies such as planetary gear transmission, helical gear transmission, and worm gear transmission. In the late 1990s, permanent magnet synchronous traction machines appeared. Its advantages such as small size, low loss, energy saving and high efficiency have been quickly promoted, and it has developed into the mainstream model of the new type of traction machine.

 

Elevator traction machine mainly includes permanent magnet synchronous traction machine and traditional asynchronous traction machine, the comparison of the two traction machines:

 

According to the prediction of the China Elevator Association, in the next few years, my country's elevator output will continue to maintain a steady growth, with an annual growth rate of 15%-20%. With the continuous development of technology and the continuous implementation of my country's energy saving and emission reduction policies, the proportion of my country's energy-saving elevator production in the total elevator production has continued to increase. In order to cooperate with the implementation of the country's energy-saving policies for buildings, local governments have introduced elevator replacement or renovation plans one after another, replacing the elevators that need to be replaced with energy-saving elevators through replacement or technological transformation.

 

Energy-saving elevator

 

Therefore, the future market demand for energy-saving elevators mainly includes three aspects: one is the new demand; the second is the replacement of old elevators; the third is the energy-saving renovation.

 

my country has a large demand for energy-saving elevators, and demand growth is strong. The compound growth rate from 2008 to 2014 will reach 27.27%, which greatly exceeds the growth rate of my country's overall demand for elevators. High-performance neodymium iron boron permanent magnet materials are the core components of energy-saving elevator traction machines, and their market demand is bound to grow rapidly with the development of energy-saving elevators. Each energy-saving elevator needs about 6kg of high-performance neodymium iron boron permanent magnet materials.

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