Mastering Schematics Electrical Drawings Episode 2

Welcome to the next level of understanding electrical drawings and schematics. In this advanced online course, we delve deeper into intricate concepts that power modern electrical systems. From the workings of relays to the intricacies of protection systems and substation layouts, this course equips you with the knowledge and skills needed to confidently interpret and create complex electrical diagrams.

Trainer Introduction:

Your trainer brings over 21 years of experience in operation & maintenance, erection, testing, project management, consultancy, supervision, substation automation, SCADA, and commissioning. With a background spanning power plants, high voltage substations, and HVDC installations, he has worked with renowned organizations such as Siemens Saudi Arabia. He has been involved in over 20 high-voltage substation projects across Pakistan and Saudi Arabia.

His expertise encompasses a wide range of areas including protection systems, substation automation systems, design, testing, and commissioning of power generation systems, high voltage switchgear, protection relays, and control schemes. He has a proven track record of leading testing and commissioning teams for implementing electrical infrastructure projects for industrial clients, including steel and petrochemical industries.

Course Outline:

Module 1: VT Circuit and Substation Layout

• Understanding Voltage Transformer (VT) circuits in electrical systems.

• Exploring substation layouts and the interplay of protection systems.

Module 2: Relays in Schematics

• Unveiling the art of depicting relays in electrical diagrams.

• Crafting Relay and Metering Single-Line Diagrams (SLDs).

Module 3: Component View of Relays

• Peeling back the layers of main relays and their component view.

• Navigating the intricate anatomy of auxiliary relays.

Module 4: Binary Input Circuit and Output Contacts

• Deciphering the binary input circuit of relays.

• Understanding the significance and functionality of output contacts.

Module 5: Relay Power Supply and Watch Dog Contacts

• Demystifying relay power supply mechanisms.

• Delving into the purpose and operation of relay watchdog contacts.

Module 6: Protection Control and Panels

• Immersing into Protection Control and Line Current Differential (LCC) panels.

• Grasping the concept of Discrepancy switches and Semaphore indicators.

Module 7: Internal and External Wiring Identification

• Learning techniques to identify internal and external wiring in schematics.

Module 8: Circuit Breaker Schematics and Tripping Mechanisms

• Mastering circuit breaker schematics and their diverse applications.

• Exploring the intricacies of tripping and closing coils.

Module 9: High-Speed Tripping Relays and Lockout Relays

• Understanding the specialized realm of high-speed tripping relays (94).

• Deciphering the functions of lockout relays in protection systems.

Module 10: Flicker Relays and Timer Relays

• Delving into the world of flicker relays and their role in power quality.