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Featured , Power Substation , Relay Protection ,

Learn How to Operate and Analyze Interlocking Schemes for Substation & Gas Insulated Switchgear (GIS)

A complete understanding of the GIS substation standard operating procedure, interlocking schemes, sequence of operation for shutdown, trip & restoration which are the most critical topics for operating substation engineers. 12 lessons in 1h 36m total course length.
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Muhammad Kashif

Course 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:

  1. Isolator & earth switch functionality
  2. Difference between high-speed earth switch and norma learth switch
  3. Open, close and intermediate position of switchgear equipment
  4. Symbols & components of a single-line diagram
  5. Different types of busbar schemes (single, double, ring, one and the half, etc.)
  6. Operational philosophy and interlock logic
  7. Electrical and mechanical interlock
  8. Line bay, transformer and PT bay interlocks
  9. Standard Operating Procedure (SOP) for line/transformer isolation & restoration
  10. 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.

Downloadable course materials

After purchasing the course, students can download the following documents:

  1. Operating philosophy for 132KV Trafo Line Bay Isolation & Restoration (PDF)
  2. Operating philosophy for 132KV Grid line Isolation & Restoration (PDF)
  3. SOP for Line trip and restoration (PDF)
  4. Single-Line Diagram and Interlocking Scheme (PDF)
  5. The basics of Gas Insulated Substation (GIS) for students (PDF)
  6. 400/220 kV gas insulated (GIS) transmission substation controlled by SCADA (PDF)
  7. Technical Specification For 220kV SF6 Gas Insulated Metal Enclosed Switchgear (PDF)
  8. The basics of high voltage switching equipment in power substations and switchyards (PDF)
  9. The basics of power system protection that every engineer should know about (PDF)
  10. A practical handbook for relay protection engineers (PDF)

Course Content

About Instructor

Muhammad Kashif

Muhammad Kashif Shamshad is an Electrical Engineer and has more than 17 years of experience in operation & maintenance, erection, testing project management, consultancy, supervision, and commissioning of Power Plant, GIS, and AIS high voltage substations ranging up to 500 kV HVAC & ±660kV HVDC  more than 10 years experience is with Siemens Saudi Arabia. He completed over 20 high voltage substation projects, Operation & Maintenace of Substation & Power plants in Pakistan and Saudi Arabia for different electric utilities including Saudi Electricity Company (SEC), Saudi Aramco, SABIC, Marafiq, National Transmission & Despatch Company (NTDC), WAPDA, and K-Electric. Also, he led testing and commissioning teams to implement electrical infrastructure projects for many types of industrial clients (Steel, Petrochemical, etc.) in both countries, Pakistan and Saudi Arabia.

18 Courses

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Learn How to Operate and Analyze Interlocking Schemes for Substation & Gas Insulated Switchgear (GIS)
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Course Includes

  • 12 Lessons
  • Course Certificate
  • Lifetime Access