Energy optimizer for escalator:

Location of the project: North Point Government Office
Year of installation: 2000
Descriptions:

An escalator at ground floor of the building is equipped with a 7.5 kW energy optimizer for controlling the 3-phase induction motor of the escalator. The energy saving is around 10% after installing the optimizer.

 

An Energy optimizer. The text above describes the image.

An Energy optimizer

Service-on-demand escalator:

Location of the project: Arsenal House
Year of installation: 2006
Descriptions:

There are 28 service-on-demand escalators in the building, including both automatic start/stop and two-speed controls.

The service-on-demand escalators in Arsenal House. The text above describes the image.

The service-on-demand escalators in Arsenal House

A passenger sensing post

A passenger sensing post

Here are the projects that employing service-on-demand escalators:

Automatic start/stop control Automatic two-speed control
Chek Lap Kok Airport Jardine House
Lok Ma Chau Boundary Crossing Exchange Square
New Police Headquarters Phase III Alexandra House
- New Police Headquarters Phase III
   
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