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Ageing of insulating materials and equipment insulation in service and in tests
1976 IEEE International Conference on Electrical Insulation, 1976After a discussion of the concepts of ageing of insulations and of the endurance of insulating materials, the importance of verifying the relevance of ageing to insulation failure in equipment is pointed out. Information regarding frequency distributions of service stresses and of the stress dependence of insulation strength is also required.
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Test Vehicles in Surface Insulation Resistance Testing
Circuit World, 1997Surface insulation resistance (SIR) testing is used in a number of ways to characterise residues or determine the effect of residues on the performance of printed wiring boards (PWBs) and assemblies (PWAs). Stated simply, SIR testing is the measurement of leakage currents on or in a substrate, usually during exposure to elevated temperature and ...
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The alternatives for insulation testing.
Health estate, 2010Electrical safety testing of medical equipment is essential to ensure that the apparatus is safe for operators and patients alike. Rigel Medical's John Backes looks at the latest tests used to assess the integrity of insulation in electrical appliances.
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Reversible Insulator–Metal Transition by Chemical Doping and Dedoping of a Mott Insulator
Angewandte Chemie - International Edition, 2022Tetsu Sato +2 more
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