Description
This course provides a complete understanding of the GIS substation Standard Operating Procedure (SOP) and interlocking, which are the most critical topics for operating substation engineers. The course takes an example of the real 132 kV Gas-Insulated Switchgear (GIS) installed in a 12 MW, 132 kV Grid Station.
A full interlocking scheme is typically included with substations to guarantee that all disconnectors, fixed earthing switches (or other interlocked earthing devices), and, when necessary, circuit breakers, are operated in the proper order.
This is crucial to ensure that substation operators don’t put themselves, the integrity of the transmission system, or both at risk through improper or careless equipment operation. Such interlocking ought to be expanded as needed to include restricting access to places where there’s a chance that regular safety clearances might be violated.
The course explains the substation operational philosophy for a 132 kV line trip and restoration, grid line isolation & restoration and transformer line bay isolation & restoration.
Course Summary:
- Isolator & earth switch functionality
- Difference between high-speed earth switch and normalearth switch
- Open, close and intermediate position of switchgear equipment
- Symbols & components of a single-line diagram
- Different types of busbar schemes (single, double, ring, one and the half, etc.)
- Operational philosophy and interlock logic
- Electrical and mechanical interlock
- Line bay, transformer and PT bay interlocks
- Standard Operating Procedure (SOP) for line/transformer isolation & restoration
- Standard Operating Procedure (SOP) for line/transformer trip & restoration
Who Is This Course For:
- Substation operators
- Practicing power system engineers
- Maintenance staff
- Electrical engineering students planning on pursuing a career in power engineering
- Power System Protection Engineers
Requirements:
- The basics of Gas-Insulated Switchgear
- Knowledge of basic substation terms
- Understanding the basic relay protection terminology and principles
- Passion and Patience for Learning.
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