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BS IEC 62397:2022 – TC

BS IEC 62397:2022 – TC

$217.84

Tracked Changes. Nuclear power plants. Instrumentation and control important to safety. Resistance temperature detectors

Published By Publication Date Number of Pages
BSI 2022 96
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PDF Catalog

PDF Pages PDF Title
1 30467235
55 A-30405936
56 undefined
58 English
CONTENTS
60 FOREWORD
63 INTRODUCTION
65 1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
66 3.1 Terms and definitions
67 3.2 Abbreviated terms
68 4 Design and construction requirements
4.1 General
4.2 Reliability
4.3 Materials
4.3.1 General
4.3.2 Radiation dose to materials
4.3.3 Resistance element material
69 4.3.4 Seals and adhesives
4.4 Connections
4.4.1 Structural type
Figures
Figure 1 – Form and dimensions of an RTD
70 4.4.2 Electrical connection
Figure 2 – Installation of a rigid RTD (Type I)
Figure 3 – Installation of a rigid RTD (Type II) long insertion
Figure 4 – Installation of a rigid RTD (Type II) short insertion
72 4.4.3 Mechanical connection
Figure 5 – Type A of RTD connection
Figure 6 – Type B of RTD connection
73 4.5 Manufacturing quality
4.6 Ambient conditions (normal and accident operations) and qualification
74 4.7 RTD performance
4.7.1 General
4.7.2 Accuracy
4.7.3 Resistance temperature calibration
75 4.7.4 Self-heating error
4.7.5 Thermal response time
76 4.7.6 Interchangeability
4.7.7 Electrical insulation resistance
4.7.8 Repeatability (thermal shock)
4.7.9 Vibration
77 4.7.10 Steam test
4.7.11 Thermal cycling
4.7.12 Dielectric inspection
4.7.13 Hydraulic strength
4.7.14 In situ response time testing
78 4.8 Identification
4.9 Failure mode and effects analysis
5 Inspection and tests
5.1 General
79 5.2 Inspection and test failure
5.3 Inspection and test reports
5.4 Test method
5.4.1 Assembly and appearance inspection
5.4.2 Calibration procedure
80 5.4.3 Self-heating test
5.4.4 Thermal response time
5.4.5 Insulation resistance test
5.4.6 Repeatability test (thermal shock)
5.4.7 Vibration test
81 5.4.8 Steam test
5.4.9 Thermal cycling
5.4.10 Dielectric inspection test
5.4.11 Hydraulic test
82 5.4.12 In situ response time test
5.4.13 Cross-calibration testing
83 5.5 Production test
84 5.6 Qualification test
85 6 Documentation
87 Annex A (informative)In situ response time test methods
A.1 Loop current step response test (LCSR)
89 Figure A.1 – LCSR and plunge transients
90 A.2 Calculation of the response time by temperature noise (passive method)
91 Figure A.2 – Power spectrum density (PSD) plot of a sensor(smoothing of the power spectrum)
92 A.3 Self-heating method (active method)
Figure A.3 – Power spectrum density (PSD) plot of a sensor(associated modal response)
94 A.4 Instructions for the application of test
95 Bibliography

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BS IEC 62397:2022 - TC
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