China National Electrical Industry Standard DL/T 5216-2005 Design Specification for 35kV~220kV Urban Underground Substations

Author: National Development and Reform Commission
Publisher:
Publish Date: 2005-05-01
Features: This standard was formulated in accordance with the arrangement of the original Ministry of Power's "Notice on Issuing the Plan for the Development and Revision of Power Industry Standards in 2002."
This standard proposes general technical requirements for the site selection, layout of the substation area, electrical connections, building structures, and environmental protection of urban underground substations, as well as special technical requirements that need to be emphasized in equipment transportation, ventilation, waterproofing, and fire prevention.
This standard applies to the design of urban underground substations with voltages of 35kV~220kV.