Output signal analysis for a variation of the R-C passive elements in a 4-2mA R-L-C equivalent circuit modeling under a high temperature accident condition in NPPs

Kil Mo Koo, Sang Baik Kim, Hee Dong Kim, Gyu-Tae Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

An electrical signal should be checked to see whether it lies within its expected electrical range when there is a doubtful condition. The normal signal level for pressure, flow, level and resistance temperature detector sensors is 4-20mA for most instruments as an industrial process control standard. In the case of an abnormal signal level from an instrument under a severe accident condition, it is necessary to obtain a more accurate signal validation to operate a system in a control room in NPPs. Diagnostics and analysis for some abnormal signals have been performed through an important equivalent circuits modeling for passive elements under severe accident conditions. Unlike the design basis accidents, there are some inherent uncertainties for the instrumentation capabilities under severe accident conditions. In this paper, to implement a diagnostic analysis for an equivalent circuits modeling, a kind of linked LabVIEW program for each PSpice & MULTI-Sim code is introduced as a one body order system, which can obtain some abnormal signal patterns by a special function such as an advanced simulation tool for each PSpice & Multi-SIM code as a means of a function for a PC based ASSA (abnormal signal simulation analyzer) module. The output signal can be analyzed by a comparative analysis of each PSpice & Multi-SIM code for a 4-20mA circuit modeling which is by a composition of an R-L-C passive circuit as an alternating range of the elements for the temperature accident condition. In this simulation, a new simulator through an analysis of the important equivalent circuits modeling has been designed, the designed simulator is composed of the LabVIEW code as a main tool and the out-put file of each PSpice code and a Multi-SIM engine code as an engine tool is exported to the in-put file of the LabVIEW code. There are three main function units of the ASSA module, the first one is individual PSpice & Multi-SIM engine code units to comprise an equivalent circuit element, the second one is the LabVIEW tool code unit for a varied signal processing, and the third one is a new operating tool unit as a one body order system linked to each PSpice & Multi-SIM code with the LabVIEW code.

Original languageEnglish
Title of host publicationSociete Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work"
Pages679-685
Number of pages7
Volume2
Publication statusPublished - 2008 Sep 26
EventSociete Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work" - Nice, France
Duration: 2007 May 132007 May 18

Other

OtherSociete Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work"
CountryFrance
CityNice
Period07/5/1307/5/18

Fingerprint

Signal analysis
Equivalent circuits
Accidents
Engines
Temperature
Simulators
Passive networks
Process control
Signal processing
Detectors
Networks (circuits)
Sensors
Chemical analysis

ASJC Scopus subject areas

  • Nuclear Energy and Engineering

Cite this

Koo, K. M., Kim, S. B., Kim, H. D., & Kim, G-T. (2008). Output signal analysis for a variation of the R-C passive elements in a 4-2mA R-L-C equivalent circuit modeling under a high temperature accident condition in NPPs. In Societe Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work" (Vol. 2, pp. 679-685)

Output signal analysis for a variation of the R-C passive elements in a 4-2mA R-L-C equivalent circuit modeling under a high temperature accident condition in NPPs. / Koo, Kil Mo; Kim, Sang Baik; Kim, Hee Dong; Kim, Gyu-Tae.

Societe Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work". Vol. 2 2008. p. 679-685.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Koo, KM, Kim, SB, Kim, HD & Kim, G-T 2008, Output signal analysis for a variation of the R-C passive elements in a 4-2mA R-L-C equivalent circuit modeling under a high temperature accident condition in NPPs. in Societe Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work". vol. 2, pp. 679-685, Societe Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work", Nice, France, 07/5/13.
Koo KM, Kim SB, Kim HD, Kim G-T. Output signal analysis for a variation of the R-C passive elements in a 4-2mA R-L-C equivalent circuit modeling under a high temperature accident condition in NPPs. In Societe Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work". Vol. 2. 2008. p. 679-685
Koo, Kil Mo ; Kim, Sang Baik ; Kim, Hee Dong ; Kim, Gyu-Tae. / Output signal analysis for a variation of the R-C passive elements in a 4-2mA R-L-C equivalent circuit modeling under a high temperature accident condition in NPPs. Societe Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work". Vol. 2 2008. pp. 679-685
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