Simulation study of the digital temperature sensor operation in case of a non-standard mechanical impact of the NPP equipment

• Main Authors: Bikovsky, Y.M., Derevianko, O.V., Levchenko, V.V., Pogosov, A.Y.
• Format: Article
• Language: English
• Published: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2020
• Series: Вопросы атомной науки и техники
• Subjects: Diagnostics and methods of researches
• Online Access: http://dspace.nbuv.gov.ua/handle/123456789/194423

The article presents the results of an experimental study relevant to the effective organization of temperature control of thermomechanical equipment at nuclear power plants (turbines, pumps, steam generators, deaerators, etc.). Bench studies of the reaction of the DS18B20 digital intelligent temperature sensor, which is supposed to be introduced at Ukrainian nuclear power plants, to the application of external compression force to its body, which may occur under conditions typical for the operation of equipment operating at nuclear power plants, have been carried out. An electrical circuit diagram has been developed for a reset signal simulation device (for bench modeling of a sensor application system). The issues of identifying a sign in the sensor output signal informing about the effect of an external compression force on its body are considered. The technique of bench experiments and processing of research results necessary to address the issue of introducing new digital measuring equipment for temperature control of thermomechanical equipment of nuclear power plants is given.