NS188
Design for Substation Overpressure
NS188: Design for Substation Overpressure
Details the design requirements for the management of substation overpressures resulting from arc faults and deflagrations.
Scope
The intention of this standard is to provide requirements to manage overpressure for new installations only.
Refer also to NS113 Site Selection and Construction Design Requirements for Chamber Substations for specific requirements relating to overpressure and vent design in chamber substations.