This standard specifies the terms and definitions, classification and composition, technical requirements, inspection methods and inspection rules, and test results that should be provided for power quality testing devices in power frequency single-phase AC 25 kV electrified railway traction substations. This standard applies to portable equipment for monitoring and measuring power quality of AC traction power supply systems and their equipment.
TB/T 3328-2015 Referenced Document
GB 17625.1-2012 Electromagnetic Compatibility Limits Harmonic Current Emission Limits (Equipment Each Phase Input Current ≤ 16A)
GB 4208-2008 Degrees of protection provided by enclosure(IP code)
GB 4793.1-2007 Safety requirements for electrical equipment for measurement,control,and laboratory use.Part 1:General requirements