NB/T 20197.1-2013 Reliability and aging detection for instrument and control equipment in nuclear power plants.Part 1: Electromagnetic relay (English Version)
This part of NB/T 20197 specifies the characteris ic parameters, general requirements and detection methods of electromagnetic relays used in nuclear power plant instrumentation and control systems. This section is applicable to the reliability testing, aging testing and failure analysis of electromagnetic relays in nuclear power plants, aiming to improve the safety and reliability of nuclear power plants.
NB/T 20197.1-2013 Referenced Document
GB/T 21711.1-2008 Electromechanical elementary relays.Part 1: General and safety requirements
GB/T 4728.7-2008 Graphical symbols for diagrams.Part7:Switchgear,controlgear and protective devices
GB/T 6109.1 Enamelled round winding wires Part 1: General provisions