HARDWARE SELECTION – PRIMARY EQUIPMENT

OBJECTIVES:
• Select primary equipment based on ratings, environment,and application.
• Understand technical specifications and nameplate data.

KEY TOPICS:
• Selection criteria: voltage, current, fault level, ambient conditions.
• Disconnectors (manual/motorized, vertical/horizontal break).
• Earth switches (maintenance, high-speed).
• Insulators, bushings, and hardware fittings.
• Clamps, connectors, and terminal lugs.

PRACTICAL FOCUS:
• Prepare hardware selection sheet for 132kV bay.
• Exercise: Select disconnector for 2000A, 40kA, -10°C ambient.
• Review manufacturer catalogs (Siemens, ABB, GE).

SUGGESTED DIAGRAMS:
• Hardware schedule template.
• Disconnector and earth switch drawings.

KEY TAKEAWAYS:
• Ability to select appropriate hardware for projects.
• Understanding of environmental derating.

STANDARDS & REFERENCES:
• IEC 62271 series, IEC 60129.
• Client material specifications.

CERTIFICATION & DELIVERY:
• Certificate of Completion awarded.
• Delivery Mode: Online (On-demand).

PREREQUISITES:
• Familiarity with primary equipment types.