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IEEE 844-2000

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

IEEE Recommended Practice for Electrical Impedance, Induction, and Skin Effect Heating of Pipelines and Vessels
Available format(s)

PDF

Withdrawn date

11-07-2019

Published date

10-16-2000

1. Scope
1.1 Limits
1.2 Purpose
2. References
3. Definitions
4. Thermal Insulation
4.1 Selection of Insulation Material
4.2 Selection of Weather Barrier
4.3 Selection of Insulation Thickness
4.4 Special Considerations of Thermal Insulation
4.5 Determination of Energy Losses
4.6 Special Considerations of Energy Loss
4.7 Thermal Insulation System Maintenance
5. Control and Monitoring
5.1 Control Types
5.2 Zoning and Sensor Location
5.3 Types of Sensors
5.4 Wiring Considerations
5.5 Special Control Considerations
5.6 Control Specifications
6. Heating Systems - General
6.1 Introduction
6.2 Categories
6.3 Selection Criteria
6.4 Design Guidelines and Considerations
6.5 Power Systems
6.6 Receiving and Storage
6.7 Installation
6.8 Testing
6.9 Operations
6.10 Maintenance
7. Impedance Heating
7.1 Introduction
7.2 Selection Criteria
7.3 Design Guidelines and Considerations
7.4 Specification
7.5 Installation
7.6 Testing
7.7 Operations
7.8 Maintenance
7.9 Special Considerations
8. Induction Heating
8.1 Introduction
8.2 Selection Criteria
8.3 Design Guidelines and Considerations
8.4 Specification
8.5 Installation
8.6 Testing
8.7 Operation
8.8 Maintenance
8.9 Special Considerations
9. Skin Effect Heating
9.1 Introduction
9.2 Selection Criteria and Applications
9.3 Design Guidelines and Considerations
9.4 Specification
9.5 Installation
9.6 Testing
9.7 Operation
9.8 Maintenance
9.9 Special Considerations
10. Bibliography
APPENDIXES
A. Heat Loss Formulas and Example Calculation
A1. Heat Loss Formulas
A2. Example Heat Loss Calculation
A3. Appendix A Bibliography
B. Heat-Up Considerations
C. Method to Determine Equivalent Thicknesses of
      Different Thermal Insulations
D. Induction Heating
D1. Theory of Induction Heating
D2. Calculation of Effective Flux Penetration
FIGURES
1. Thermal Insulation Metal Weather Barrier Installation
2. Midpoint Feed System
3. End Feed System
4. Dual-Line End Feed System
5. Induction Heating Coil
6. Signal Shielding
7. Tripler Circuit
8. Three-Phase Connection
9. Skin Effect System
TABLES
1. Temperature Sensor Characteristics
2. General Characteristics of Induction, Impedance,
      and Skin Effect Heating Systems
3. Grounding and Isolation
APPENDIX FIGURES
A1. Assumed Temperature Gradients
APPENDIX TABLES
D1. Effect of Change of Parameters on Induction Heating
D2. Wall Thickness for Effective Induction Heating of
      Nonmagnetic Metals

This document provides recommended practices for the design, installation, testing, operation, and maintenance of the following types of electrical heating systems on pipes and vessels for use in general industry: impedance heating systems, induction heating systems, induction susceptor heating furnaces within a vessel, and skin-effect heating systems.

Committee
Petroleum and Chemical Industry
DocumentType
Standard
ISBN
0-7381-2501-6
Pages
112
ProductNote
THIS STANDARD ALSO REFERS TO IEEE Std 1202-1991 (R1996),AEIC CS6-96, NEW CHILD ERR 1 IS ADDED
PublisherName
Institute of Electrical & Electronics Engineers
Status
Withdrawn
SupersededBy
Supersedes

IEEE 1242-1999 IEEE Guide for Specifying and Selecting Power, Control, and Special-Purpose Cable for Petroleum and Chemical Plants
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NFPA 301 : 2018 SAFETY TO LIFE FROM FIRE ON MERCHANT VESSELS
C22.1HB-18 Canadian Electrical Code Handbook - An Explanation of the Rules of the Canadian Electrical Code, Part I
API 540 : 1999 : R2006 ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS
API 540:1999 ELECTRICAL INSTALLATIONS IN PETROLEUM PROCESSING PLANTS
IEEE 515-2011 IEEE Standard for the Testing, Design, Installation, and Maintenance of Electrical Resistance Trace Heating for Industrial Applications
C22.1-18 Canadian Electrical Code, Part I (24th Edition), Safety Standard for Electrical Installations

NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
IEEE 400-2012 REDLINE IEEE Guide for Field Testing and Evaluation of the Insulation of Shielded Power Cable Systems Rated 5 kV and Above
IEEE 141 : 1993 IEEE Recommended Practice for Electric Power Distribution for Industrial Plants

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