Design Verification of LV Switchboards

IEC 61439 Compliance and Verification of Mechanical, Electrical, and Thermal Design Verification of LV Switchboards
What you'll learn
✓ Understanding of design verification for Low Voltage (LV) switchboards, focusing on safety, compliance, and performance.
✓ Understanding design verification as per standards such as IEC 61439-1/2.
✓ International & national industry standard & regulations regarding design verification of LV switchboard.
✓ Categories of design verification (Type Tests) as per IEC 61439.
✓ Understanding mechanical, electrical & thermal design verification of LV switchboard as per construction perspective.
✓ Understanding electrical & thermal design verification of LV switchboard as per performance perspective.
✓ Understanding of routine testing & inspection with field testing & commissioning.
✓ Real-world examples of design verification of LV switchboard successes & failures.
✓ Future directions & emerging trends of LV switchboard design verification.
Requirements
● Should have a basic degree or knowledge in Electrical Engineering - B tech, B.E., Diploma or any similar relevant educational background.
Description
We have learned in this course the complete process of LV switchboard design verification as per IEC 61439, focusing on safety, reliability, and compliance. The course covers construction and performance verification, testing methods, thermal management, and future trends in switchboard verification.
Section 1: Introduction to LV Switchboard Design Verification
• The role and function of LV switchboards up to 1000 V AC / 1500 V DC
• Why design verification is essential before commissioning
• Three verification methods: testing, comparison with proven designs, and technical assessment
• How verification ensures electrical, mechanical, and thermal safety
Section 2: Standards and Regulatory Requirements
• IEC 61439 and its adoption in India as IS/IEC 61439
• Performance-based requirements such as temperature rise and short-circuit withstand
• Importance of statutory compliance with the Electricity Act, IE Rules, and CEIG
• How standards ensure legal and operational safety
Section 3: Mechanical Design Verification
• How enclosure strength, IK rating, lifting safety, and corrosion resistance are verified
• Insulating material tests for heat, fire, and environmental resistance
• Mechanical functional tests for doors, interlocks, and IP protection
• Terminal mechanical tests such as pull-out, flexion, and clamping force
Section 4: Electrical Design Verification (Construction)
• How clearances and creepage distances ensure proper insulation
• PE continuity and earthing verification
• Short-circuit withstand capability and protection coordination
• Explore safe cable routing and operator accessibility requirements
Section 5: Thermal Management and Ventilation (Construction)
• The importance of component arrangement for effective airflow
• Ventilation paths for natural and forced cooling
• Correct use of fans, louvers, and insulating barriers
• Verify thermal design calculations and simulations as per IEC 61439
Section 6: Electrical Verification (Performance)
• Dielectric tests to verify insulation strength
• Short-circuit and impulse withstand tests
• How EMC verification controls electromagnetic emissions
• Immunity tests such as ESD, RF, EFT/burst, and surge
Section 7: Thermal Design Verification (Performance)
• Temperature-rise calculation methods for busbars and components
• Heat dissipation testing under rated load conditions
• How temperatures are measured at critical points
• Compliance with IEC 61439-1 temperature-rise limits
Section 8: Routine Testing, Inspection, and Future Trends
• Routine tests, inspections, and documentation checks before delivery
• Purpose and process of Factory Acceptance Testing (FAT)
• Digital simulation and virtual FAT concepts
• Future trends such as AI-based analysis, IoT testing, and sustainability
Who this course is for
■ Final year engineering - B tech, B.E., Diploma.
■ For those electrical engineers who want to know more about ACB its working & its operation.
Homepage

https://www.udemy.com/course/design-verification-of-lv-switchboards/

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