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Advances in UHV Transmission and Distribution

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964 min

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Engineering AcademyLearn Without Limits: Free Engineering Courses

Electrical Engineering

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Why enroll

Participants join this course to understand modern EHV/UHV power systems in an easy way, learn how high-voltage transmission is designed and protected, and upgrade their knowledge for careers, higher studies, or work in the power and energy sector.

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Learn Without Limits: Free Engineering Courses

5+ yrs experience·India

Is this course for you?

You should take this if

You work in Automotive
You're a Electrical Engineering professional
You have 3+ years of hands-on experience in this field
You want to build skills in Engineering & Design, Project Management

You should skip if

You're new to this field with no prior experience
You need a different specialisation outside Electrical Engineering
You need live interaction with an instructor

Course details

This course explains the latest developments in EHV/UHV power transmission and distribution in a simple and clear way. It helps learners understand why EHV/UHV systems are important, how they are designed, and what makes them different from conventional systems. The course covers modern design requirements such as insulation, protection, and safety, and also discusses the present and future growth of UHV transmission. Key components and substation design are explained using lectures, practical video demonstrations, and assignments for better understanding.

Source: Advances in UHV Transmission and Distribution [Youtube Channel]

Course suitable for

Key topics covered

Introduction to UHV and EHV transmission and why it’s important
Advantages of HVAC vs DC transmission systems
Introduction to electrical grid management and power systems
How transmission systems develop and their design issues
Important components used in transmission systems
What insulation coordination means in high-voltage systems
How overvoltages occur and how they are managed
How insulators are selected and designed for UHV lines
Why grading rings and corona rings are used on towers and insulators
Types of insulation and performance of non-ceramic insulators
Measuring high voltages safely in transmission systems
Digital recording methods used in high-voltage testing
Upgrading or uprating existing transmission lines
Why safety and protection systems are needed in UHV networks
Auto-reclosure schemes and protection relays for EHV/UHV lines
Basics of power flow and load distribution in transmission lines
How corona effect impacts losses and noise in high-voltage lines
What bundle conductors are and why they are used in EHV/UHV systems
Differences between alternating current (AC) and direct current (DC) transmission
Substation design principles for UHV networks
Grounding and earthing practices for high-voltage equipment
Line losses and factors influencing efficiency of long-distance transmission
How UHV transmission supports integration of renewable energy
Challenges and solutions in building long-distance ultra-high-voltage lines
Safety rules for working on or near high-voltage transmission systems
Maintenance strategies for EHV/UHV transmission infrastructure
Environmental effects and mitigation in UHV transmission
Future trends in power transmission technology
Case studies or examples from real UHV transmission projects
Summary of key design and operational guidelines for UHV power systems

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

30 lectures16 hr 4 min

Opportunities that await you!

Skills & tools you'll gain

Engineering & Design

Project Management

Research & Developmnet

Career opportunities

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Questions and Answers

Q: You're signing off a UHV GIS bay after a homologation re-test. The fast earthing switch operates correctly, but post-fault touch voltage exceeds limits. You're searching "UHV GIS fast earthing switch touch voltage exceedance". What does the fast earthing switch NOT protect against in this scenario?

A: Option A looks attractive because engineers often over-trust metallic enclosures, but the fast earthing switch only collapses the potential of the isolated conductor it’s bonded to. Capacitive coupling across spacers and adjacent bays still drives induced voltage. B is exactly what the switch is designed to kill, so picking it means forgetting the basic cause-consequence chain. C feels plausible if you’ve been burned by control wiring backfeeds, but PT secondaries don’t inject energy at UHV scale. D mixes up AC and DC fault physics; any DC offset decays long before a human touch scenario.

Q: A 1100 kV line upgrade fails audible noise limits at night. You're googling "IEC audible noise limits UHV transmission line wet conductor". Why does IEC 60826 push larger bundle spacing rather than just more subconductors?

A: A ties directly to why the standard exists: corona is an E-field problem, not a count-of-wires problem. B sounds like something a line design engineer might say after a bad winter, but galloping is handled with spacers and dampers, not by freezing bundle design. C is a manufacturing convenience argument, not a physics driver. D borrows a real effect from EHV design, yet charging current margins at UHV are addressed elsewhere and don’t dictate audible noise clauses.

Q: Control asks if a 1200 kV DC test source can charge a 30 km UHV line within the dwell time. You're typing "estimate UHV transmission line capacitance per km". Order-of-magnitude, what charging current do you expect at 1 kV/s ramp?

Q: A GA drawing shows a grading ring at a 1100 kV bushing, but the datasheet omits it. You're searching "UHV bushing grading ring GA drawing datasheet mismatch". What’s the correct engineering action?