This standard specifies the terminology, structural composition, technical requirements, test items, test methods, inspection rules, marking, packaging, transportation, storage requirements, etc. of transient ground voltage partial discharge detectors. This standard is applicable to the inspection of transient ground voltage partial discharge detectors and can serve as the basis for product development, production, and inspection. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB 3100 International System of Units and Its Applications GB 3101 General Principles for Quantities, Units, and Symbols GB/T 4208 Degrees of Protection Provided by Enclosures (IP Code) GB 4793.1 Measurement Safety requirements for electrical equipment for control and laboratory use - Part 1: General requirements GB/T6587 General specifications for electronic measuring instruments GB/T6593 Quality inspection rules for electronic measuring instruments GB/T 17626.2 Electromagnetic compatibility testing and measurement techniques Electrostatic discharge immunity test GB/T 17626.3 Electromagnetic compatibility testing and measurement techniques Radio frequency electromagnetic field radiation immunity test GB/T 17626.8 Electromagnetic compatibility testing and measurement techniques Power frequency magnetic field immunity test 3 Terminology and definitions The terms and definitions listed are applicable to this document. 3.1 Transient Earth Voltage (TEV) is a voltage signal that excites the frequency between 3MHz and 100MHz in the grounding shell (including the grounding wire) of electrical equipment due to partial discharge
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