COURSE OVERVIEW:

The operational longevity of a high-voltage substation is fundamentally linked to the health of its switching and insulating components. This course provides a technical exploration of "Switchgear Maintenance," focusing on the inspection and troubleshooting of Air-Insulated (AIS) and Gas-Insulated (GIS) systems. Participants will explore the mechanics of "Arc Quenching," learning how to manage the unique properties of Sulfur Hexafluoride (SF6) gas to ensure reliable circuit interruption under extreme fault conditions.

The scope of this training addresses the full spectrum of substation assets, including circuit breakers, disconnectors, and instrument transformers. It covers the technical nuances of "Gas Management," focusing on the detection of moisture, acidity, and decomposition products within SF6 compartments. The curriculum provides a detailed focus on "Condition-Based Maintenance" (CBM), ensuring that participants can utilize advanced diagnostics such as Partial Discharge (PD) and timing analysis to identify incipient failures before they result in catastrophic outages.

Coverage includes the implementation of rigorous safety and environmental protocols for handling "Greenhouse Gases" like SF6. Attendees will learn to utilize "High-Voltage Test Sets," perform "Gas Purity" checks, and troubleshoot "Mechanical Linkage" failures in spring and hydraulic operators. By combining fluid dynamics, electrical engineering, and mechanical maintenance, the course equips professionals with the expertise required to maintain substation switchgear at peak performance while complying with global environmental mandates.

COURSE OBJECTIVES:

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

• Define the architecture of "AIS" versus "GIS" Substations.
• Identify the "Arc Quenching" properties and lifecycle of "SF6 Gas."
• Execute "Gas Quality" tests (Purity, Moisture, and SO2 content).
• Perform "Circuit Breaker Timing" and "Contact Resistance" tests.
• Utilize "Partial Discharge" (PD) detectors for GIS health monitoring.
• Troubleshoot "Mechanical Operators" (Spring, Hydraulic, and Pneumatic).
• Implement "SF6 Leak Detection" using laser and ultrasonic methods.
• Conduct "Insulation Resistance" and "Hi-Pot" testing on switchgear.
• Identify "Contact Erosion" and "Nozzle Wear" in arc chambers.
• Manage "SF6 Handling" and "Recovery" according to IEC 62271-4.
• Troubleshoot "Auxiliary Switches" and "Interlock" logic failures.
• Document "Substation Maintenance" reports and SF6 inventories.

TARGET AUDIENCE:

This course is intended for Substation Maintenance Engineers, High-Voltage Technicians, Asset Managers, and Safety Officers in Power Utilities.

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.