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Events / Activities

Technical Webinar: Voltage Dip Ride-through Feature in Escalators

Date, time & venue

2023-09-13;6:30 pm - 8:00 pm;Chan Yat Mei Sophie Room – 9/F and via Zoom (online)

Organised by HKIE-CA Division

Programme Highlights

Voltage dip ride through feature in escalator has been introduced in Hong Kong for 18 years. By applying this leading escalator feature, the escalator tripping events under voltage dip event can be drastically reduced. It improves both passenger safety and system operation. 

Nowadays, more than 1,200 escalators in Hong Kong are operating with the voltage dip ride-through feature. This seminar will introduce the technical requirements of how to implement the voltage dip ride-through feature in an escalator according to the EMSD Design Code of Practice. It will also cover how to specify and verify this feature in the escalator system from the client's and REE's point of view. Language: Cantonese supplement with English terminology Speaker: Ir Christ CHUNG, Technical Director, Ever Billion Asia Ltd.


Ir Chung has over 39 years of experience in engineering across disciplines including design, installation, maintenance, testing and commissioning of control and electrical systems. He has worked on major power plant projects and since 2004 has focused on power quality solutions, helping major customers in Hong Kong and Macau overcome voltage dip and harmonic problems. He is the Technical Director at Ever Billion Asia Ltd., a consultancy specializing in power quality.


Cantonese supplement with English terminology

Registration & Enquiries

This seminar is free of charge but prior registration is required. The number of participants is limited to 20 (physical) and 300 (online) and applications will be accepted on a first-come first-served basis.For registration, please register online at https://forms.gle/1fiRWds5pipHBZxA7. The deadline for registration is 8 September 2023. Successful applicants will be notified by email on or before 12 September 2023.

For enquiries, please contact Ms. Crystal CHAN via Email: crystal.chan.hkie@gmail.com





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