MECH3422 Building Services Engineering I

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Electrical Services Systems – Electricity Supply, Load Estimation and Power Distribution

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1. Electricity Supply

2. Electricity Tariffs

3. Load Estimation

4. Plant Rooms

5. Electrical Distribution

[Download powerpoint file]

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Video Presentation:

• Why 3 Phase Power? Why not 6 or 12? (4:46) http://www.youtube.com/watch?v=HqZtptHnC2I

Further Reading:

• Hong Kong: the Facts: Water, Power and Gas Supplies (on Electricity) http://www.gov.hk/en/about/abouthk/factsheets/docs/wp%26g_supplies.pdf
• CLP Power  http://www.clpgroup.com
• Electricity Tariffs http://www.clp.com.hk/en/customer-service/tariff
• How to Read Your Bill http://www.clp.com.hk/en/customer-service/billing/how-to-read-your-bill
  
• Hongkong Electric  http://www.hkelectric.com/
• Electricity Tariffs http://www.hkelectric.com/en/customer-services/billing-payment-electricity-tariffs
• CLP, 2012. Code of Practice 215: Load Assessment Procedure, Revision No. 7, CLP Power, Hong Kong. [PDF]
• CLP, 2014. Code of Practice 101 for Distribution Substation Design, Version 13, CLP Power Hong Kong Limited, Hong Kong. [download here]
• Electrical schematic diagrams (sketch and detail) [PDF]
• Example of Electrical Load Estimation (for total power supply capacity) [PDF]
  
• Atkinson, B., et al., 2013. Electrical Installation Designs, 4th ed., John Wiley & Sons, Chichester, West Sussex and Hoboken. [Wiley online library]
• Chapter 14 Cables and Wiring Systems

References:

• CLP, 2015. Guide to Supply and Metering Arrangement on Customer's Internal Distribution System, Version 6 -- 07/15, CLP Power Hong Kong Limited, Hong Kong. [download here]
• CLP, 2001. Supply Rules, CLP Power Hong Kong Limited, Hong Kong. (http://www.clp.com.hk/en/customer-service/open-and-close-account/supply-rules)
• EMSD, 2009. Code of Practice for the Electricity (Wiring) Regulations, Electrical & Mechanical Services Department (EMSD), 2009 Edition, the Government of the Hong Kong Special Administrative Region, Hong Kong. [HK 621.31924 H77] [PDF]
• Hastings, P., 2005. The Illustrated Guide to Electrical Building Services, 2nd ed., Building Services Research and Information Association, Bracknell, Berkshire, England. [621.3 D27]
• HEC, 2010. Guide to Connection of Supply, Hongkong Electric Co., Ltd. (HEC), Hong Kong. (available from http://www.hkelectric.com/) [website]
  
• HEC, 2008. Supply Rules, Hongkong Electric Co., Ltd. (HEC), Hong Kong. (available from http://www.hkelectric.com/) [PDF]
• Steward, W. E. and Stubbs, T. A., 2005. Modern Wiring Practice: Design and Installation, Rev. ed., Elsevier/Newnes, Oxford & Burlington, MA. [621.31924 S84]
• Tse, P. and Bleicher, D., 2014. The Illustrated Guide to Electrical Building Services, 3rd ed., Building Services Research and Information Association, Bracknell, Berkshire, England. (via Moodle)
• Wong, Chun-fai, Johnny, 2004. Low Voltage Electrical Installation Handbook, Rev. [ed.], H.K. & Kowloon Electrical Engineering & Appliances Trade Workers Union, Hong Kong. [621.31924 W87]

Web Links:

• CLP Power  http://www.clpgroup.com
• Supply Rules (http://www.clp.com.hk/en/customer-service/open-and-close-account/supply-rules)
• Electricity Tariffs http://www.clp.com.hk/en/customer-service/tariff
  
• Hongkong Electric  http://www.hkelectric.com/
• Guide to Connection of Supply [website]
• Supply Rules [PDF]
• Electricity Tariffs http://www.hkelectric.com/en/customer-services/billing-payment-electricity-tariffs
• Estimated electricity consumption table (household appliances)

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| Created: Aug 2015 | Update: 23 Oct 2015 | By: cmhui@hku.hk |