Hong Kong - Joint Seminar on “Voltage Dip Ride-through Feature in Escalator”

      Add to your calendar Last updated - 06/06/2019 08:37

21 June 2019 18:30 - 21:00
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Voltage dip ride-through feature in escalator has been introduced for more than 15 years in Hong
Kong. By applying this leading feature in escalator, the tripping events of the escalator under voltage dip event can be dramatically reduced. It enhances both passenger safety and system operation.

Nowadays, more than a thousand of escalator units run with voltage dip ride-through feature in Hong Kong that is serving millions of passengers per day. Because safety is a critical concern in the society, EMSD has specified the guidelines to guidance the voltage dip ride-through feature in the escalator system. In this seminar, the technical requirement of how to correctly implement the voltage dip ride-through feature in escalator as per EMSD design code of practice will be introduced. Also, from the client and Registered Escalator Engineer point of view, how to specify and to verify this feature in the escalator system will also be addressed.

More in-depth technical details and case study with example for solution, installation, testing and commissioning will be illustrated.

Language: Cantonese supplement with English

Online Registration

Flyer and location map


Ir Christ CHUNG – Technical Director, Ever Billion Asia Ltd. Ir Chung is a power quality specialist who has participated in more than hundreds of escalator for the enhancement work in providing the voltage dip ride-through feature.


Hong Kong Polytechnic University, Room TU107
Hung Hom
Hong Kong

Contact Details

Betty Lee IAEE (HK-China Branch)
852 2331 5719
Email: Send a message

Alternative contact Edmond Tsang
852 2331 5719
Email: Send a message

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