IS 2026 (Part 1 to 10): Power Transformers

• IS 2026 Part 1: General
• IS 2026 Part 2: Temperature Rise
• IS 2026 Part 3: Insulation Levels, Dielectric Tests, and External Clearances in Air
• IS 2026 Part 4: Tappings and Connections
• IS 2026 Part 5: Ability to Withstand Short Circuit
• IS 2026 Part 6: Reactors
• IS 2026 Part 7: Loading Guide for Oil-Immersed Power Transformers
• IS 2026 Part 8: Application Guide
• IS 2026 Part 9: Determination of Sound Levels
• IS 2026 Part 10: Determination of Power Transformer Energy Efficiency

IS 11171: Dry-type Transformers

• Specifies the requirements for dry-type transformers, including design, construction, testing, and performance.

IS 1180 (Part 1): Outdoor Type Oil-Immersed Distribution Transformers up to and Including 100 kVA, 11 kV

• Covers the specifications for oil-immersed distribution transformers.

IS 2099: Bushings for Alternating Voltages Above 1000V

• Specifies the requirements and tests for bushings for alternating voltages above 1000V.

IS 3347: Dimensions for Porcelain Transformer Bushings

• Specifies the dimensions for porcelain transformer bushings.

IS 12444: Specification for Copper Wire Rods

• Covers the specifications for copper wire rods used in the winding of transformers.

IS 335: New Insulating Oils

• Specifies the requirements and tests for new insulating oils used in transformers and reactors.

IEC 60076: Power Transformers

• International Electrotechnical Commission standards for power transformers.

IEC 60099: Surge Arresters

• International standards for surge arresters used in conjunction with transformers.

Manufacturing Standards and IS Codes for Reactors

IS 5553 (Part 1 to 6): Shunt Capacitors for AC Power Systems

• IS 5553 Part 1: General
• IS 5553 Part 2: Performance Requirements
• IS 5553 Part 3: Ageing Tests and Performance Characteristics
• IS 5553 Part 4: AC Motor Capacitors
• IS 5553 Part 5: Power Filter Capacitors
• IS 5553 Part 6: Self-healing Capacitors

IS 5556: Reactors

• Specifies the requirements for reactors used in electrical power systems, including design, construction, testing, and performance.

IS 3024: Electrical Steel Sheets (CRGO)

• Specifies the requirements for electrical steel sheets used in the core of transformers and reactors.

IS 4540: Enamelled Round Copper Winding Wires

• Covers the specifications for enamelled round copper winding wires used in the winding of reactors.

IEC 60076-6: Reactors

• International Electrotechnical Commission standards for reactors used in power systems.

Safety Standards

IS 1646: Code of Practice for Fire Safety of Buildings (General): Electrical Installations

• Specifies the fire safety measures for electrical installations.

IS 3043: Code of Practice for Earthing

• Provides guidelines for proper earthing practices to ensure safety and prevent electrical hazards.

IS 12360: Voltage Bands for Electrical Installations

• Specifies the voltage bands for electrical installations to ensure compatibility and safety.

IS 732: Code of Practice for Electrical Wiring Installations

• Provides guidelines for safe electrical wiring practices in buildings and industrial installations.

IS 5216: Guide for Safety Procedures and Practices in Electrical Work

• Specifies safety procedures and practices to be followed during electrical work to prevent accidents and injuries.