COURSE OVERVIEW:

Circuit breakers and switchgears are the primary controllers of power flow, necessitating an advanced understanding of their design and operational limits to ensure system reliability. This course provides a high-level technical analysis of the engineering principles behind modern switching equipment, moving from conceptual design to the practicalities of field repair. Participants will explore the mechanics of high-speed contact movement and the dielectric properties of vacuum and SF6 gas, learning how these assets manage the extreme stresses of fault interruption.

The scope of this training addresses the comprehensive lifecycle of switchgear, including the evaluation of design specifications and the implementation of rigorous inspection protocols. It focuses on the mechanical and electrical troubleshooting of complex operating mechanisms, such as spring-charged and magnetic actuators. The curriculum provides a framework for identifying subtle signs of degradation in insulation and contact surfaces, ensuring that technical personnel can perform precision repairs that meet or exceed original equipment manufacturer standards.

Coverage includes advanced diagnostic tools—such as dynamic resistance measurements and vibration analysis—to assess the health of the equipment without invasive disassembly. Attendees will learn to manage the challenges of aging infrastructure, focusing on the techniques for refurbishing contacts, seals, and auxiliary systems. By combining engineering design insights with practical troubleshooting strategies, the course equips professionals to maintain high-performance switchgear that is safe, reliable, and compliant with international standards.

COURSE OBJECTIVES:

After completion of this course, the participants will be able to:

• Analyze the design criteria for MV and HV switchgear according to IEC standards.
• Conduct detailed visual and mechanical inspections of circuit breaker assemblies.
• Troubleshoot electrical faults in charging, tripping, and closing circuits.
• Perform precision repairs on primary contacts and arc-extinguishing chambers.
• Execute advanced diagnostic tests, including timing and contact resistance.
• Evaluate the condition of solid and gaseous insulation systems.
• Manage the lubrication and alignment of high-speed operating mechanisms.
• Implement effective arc flash mitigation through design and maintenance.
• Interpret diagnostic data to predict mechanical and electrical failure modes.
• Supervise the refurbishment of secondary disconnects and auxiliary switches.
• Develop a proactive troubleshooting guide for SF6 gas leakage and moisture.
• Select appropriate repair versus replacement strategies for aging assets.

TARGET AUDIENCE:

This course is designed for Senior Electrical Engineers, Maintenance Supervisors, Field Service Specialists, and Technical Managers responsible for the upkeep of industrial and utility switchgear.

TRAINING COURSE METHODOLOGY:

A highly interactive combination of lectures, discussion sessions, and case studies will be employed to maximize the transfer of information, knowledge, and experience. The course will be intensive, practical, and highly interactive. The sessions will start by raising the most relevant questions and motivating everybody to find the right answers. The attendants will also be encouraged to raise more of their questions and to share in developing the right answers using their analysis and experience. There will also be some indoor experiential activities to enhance the learning experience. Course material will be provided in PowerPoint, with necessary animations, learning videos, and general discussions.

The course participants shall be evaluated before, during, and at the end of the course.

COURSE CERTIFICATE:

National Consultant Centre for Training LLC (NCC) will issue an Attendance Certificate to all participants completing a minimum of 80% of the total attendance time requirement.