Mostly following Code & Standards used in Electrical Heat Tracing System:
For Heat loss Calculation:
IEEE-515 : Standards for the testing, design, installation and maintenance of Electrical Resistance Heat Tracing for Industrial applications.
Heat loss calculation as per Equation B.1:
Testing of Tracer:
IEC/IEEE-60079-30-1 : Explosive atmospheres
Electrical resistance trace heating - General & testing requirements
Type Test:
1. Dielectric Test
2. Electrical Insulation Resistance Test
3. Flammability Test
4. Impact Test
4.1 Room Temperature Impact Test
4.2 Minimum Temperature Impact Test
5. Deformation Test
6. Cold Bend Test
7. Water Resistance Test
8. Integral Components Resistance To Water Test
9. Verification of Rated Output
9.1. Resistance Method
9.2 Thermal Method
10. Thermal Stability of Electrical Insulating Material
11. Thermal Performance Test
12. Determination of Maximum Sheath Temperature
12.1 Product Classification Approach
12.2 System Approach - Stabilized & Controlled Design Verification
13. Test Apparatus & Procedure
13.1 Insulated Externally Heated Surfaces – Pipe Sculpture
13.2 Insulated Externally Heated Surfaces – Vessels
13.3 Insulated Externally Heated Surfaces – Tubing Bundles
13.4 Sheath Temperature Verification – Utilizing Plate Test Procedure
14. Verification of Start-up Current
15. Verification of the Electrical Resistance of Electrically Conductive Covering
16. Outdoor Exposure Test
Routine Test
1. Dielectric Test
2. Verification of rated output
Installation & Maintenance of Tracer:
IEC/IEEE-60079-30-2 : Explosive atmospheres
Electrical resistance trace heating Application guide for design, installation and maintenance
Other important Code & Standards:
IS/IEC 60529 : Degree of protection provided by enclosures (IP Code)
IS-5 : Colours for ready mixed paints and enamels
IS-1554 : PVC insulated (heavy duty) electric cables.
IS/IEC 60079-1 : Electrical equipment with type of protection 'd'
IS-3043 : Code of practice for earthing
IS-5571 : Guide for selection of electrical equipment for hazardous area.
IS/IEC-60079-15 : Electrical equipment with type of protection 'n'.
IS-8623 : Specification for low voltage switchgear and control gear
assemblies.
IS/IEC-60079-0 : General requirements for electrical apparatus for explosive gas
atmosphere.
IS-13703 : Specification for low voltage fuses
IS/IEC-60947 : LV switchgear and control gear.
IEC-61439 : Low voltage switchgear & control gear assemblies
IEC 6075 : Industrial platinum resistance thermometer sensor
Part-2, Application guide for design, installation and maintenance
