Bảo trì thiết bị đo lường trong nhà máy điện hạt nhân

Trường đại học

Springer

Người đăng

Ẩn danh

Thể loại

book

2006

308
0
0

Phí lưu trữ

50 Point

Mục lục chi tiết

Preface

1. CHƯƠNG 1: ON-LINE MONITORING OF PROCESS INSTRUMENTS CALIBRATION

2. CHƯƠNG 2: ORIGINS OF THIS BOOK

3. CHƯƠNG 3: MAINTENANCE OF NUCLEAR PLANT INSTRUMENTATION

4. CHƯƠNG 4: NUCLEAR PLANT TEMPERATURE INSTRUMENTATION

4.1. History of RTDs

4.2. Nuclear-Grade RTDs

4.3. Nuclear Plant Temperature Measurement Terminology

4.4. Problems with Nuclear-Grade RTDs

4.4.1. Failure of Extension Leads

4.4.2. Low Insulation Resistance

4.4.3. Wrong Calibration Tables

4.4.4. Loose or Bad Connections

4.4.5. Large EMF Errors

4.4.6. Thinning of Platinum Wire

4.4.7. Lead-Wire Imbalance

4.4.8. Seeping of Chemicals into Thermowell

4.4.9. Cracking of Thermowell

4.5. Problems with Core-Exit Thermocouples

5. CHƯƠNG 5: CROSS-CALIBRATION TECHNIQUE

5.1. Dedicated Data Acquisition System

5.2. Plant Computer Data

5.3. Sources of Cross-Calibration Data

5.4. Detailed Analysis of Cross-Calibration Data

5.4.1. Correcting Cross-Calibration Data

5.5. Presenting Cross-Calibration Results

5.6. Effect of Corrections on Cross-Calibration Results

5.7. Automated Software for Cross-Calibration

5.8. Uncertainty of Cross-Calibration Results

5.8.1. Uncertainty with Dedicated Data Acquisition System

5.8.2. Uncertainties with Plant Computer Data

5.9. Validating the Cross-Calibration Technique

5.10. Uncertainty in Cross-Calibrating Three-Wire RTDs

5.10.1. Cross-Calibration Procedure for Three-Wire RTDs

5.10.2. Cross-Calibration Validation for Three-Wire RTDs

5.11. Validation of Dynamic Cross-Calibration

5.12. Cross-Calibrating Core-Exit Thermocouples

5.12.1. New Calibration Table

5.12.2. Uncertainty of Recalibration Results

5.14. NRC Position on RTD Cross-Calibration

6. CHƯƠNG 6: RESPONSE-TIME TESTING OF RTDs AND THERMOCOUPLES

6.1. Reasons for Test

6.3. Analyzing LCSR Data

6.4. LCSR Validation for RTDs

6.5. LCSR Validation for Thermocouples

6.6. Optimizing LCSR Parameters

6.7. Accuracy of LCSR Results

6.8. Effect of LCSR Heating Current

6.9. Effect of Temperature Stratification

6.10. LCSR Testing at Cold Shutdown

6.4. Self-Heating Test

6.3. Self-Heating Error in RTDs

6.5. Noise Analysis Technique

6.2. In-Plant Validation

6.7. Factors Affecting Response Time

6.7.1. Ambient Temperature Effect

6.7.2. Effect of Fluid Flow Rate

6.7.3. Ambient Pressure Effect

7. CHƯƠNG 7: NUCLEAR PLANT PRESSURE TRANSMITTERS

7.2. Transmitter Population and Application

7.3. Nuclear Qualification

7.3.1. Qualification Procedure

7.3.2. Qualified Life

7.2. Foxboro/Weed Transmitters

7.5. Smart Pressure Transmitters

7.6. Fiber-Optic Pressure Transmitters

7.7. Wireless Pressure Transmitters

8. CHƯƠNG 8: CHARACTERISTICS OF PRESSURE SENSING LINES

8.1. Design and Installation

8.2. Sensing Lines for Transmitters Inside Containment

8.3. Sensing Lines for Transmitters Outside Containment

8.4. Sensing-Line Problems

8.4.1. Blockages, Voids, and Leaks

8.4.2. BWR Level Measurement

8.4.3. Shared Sensing Lines

8.4.4. Use of Snubbers

8.5. Sensing-line Dynamics

8.5.1. Effect of Length on Response Time

8.5.2. Effect of Blockages on Response Time

8.5.3. Effect of Void on Response Time

9. CHƯƠNG 9: MEASUREMENT OF PRESSURE SENSOR AND SENSING-LINE DYNAMICS

9.1. Noise Analysis Technique: Description

9.2. Data Qualification

9.2. Noise Analysis Technique: Assumptions

9.3. Noise Analysis Technique: Validation

9.2. In-Plant Validation

9.4. Pink Noise Technique

9.5. Accuracy of Noise Analysis Technique

9.6. Experience from Testing in Nuclear Power Plants

9.7. Oil Loss in Nuclear Plant Pressure Transmitters

9.7.1. Effect of Oil Loss on Transmitter Linearity

9.7.2. Oil Loss in Transmitters Other than Rosemount

9.8. Oil Loss Diagnostics

9.9. Response Time Degradation

10. CHƯƠNG 10: ON-LINE DETECTION OF SENSING LINE PROBLEMS

10.1. Sensing Line Blockages

10.2. Air in Sensing Lines

10.3. Detecting Sensing Line Leaks

10.4. Problems with Shared Sensing Lines

About the Author

Acronyms and Abbreviations

Maintenance of process instrumentation in nuclear power plants h m hashemian