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The Future of Medium Voltage Switchgear
Course Outline
Course Description
The electricity industry is conservative. Among the reasons for this is the fact that the lifetime of medium
voltage and high voltage switchgear is around 30 years. Transmission system operators (TSOs) and
distribution network operators (DNOs) need stability. Maintenance and repair of such long-life devices
needs to be ensured. And of course, work is easier for service crews if there is no change in technology.
However, some drastic evolutions appear about every 20 years…
The development of smart grids will result in the inclusion of more intelligence in MV equipment. This
course will specifically address medium voltage technologies that exist in the switchgear industry, as well
as summarize the evolution of past technologies and outline the future path of the medium voltage sector.
Course Outline
Course Objectives
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Describe the evolution of various switchgear and switchboard technologies
Discuss the evolution of single line diagrams
Explain the developmental path for future switchgear for MV consumer sites and switching
substations
Course Content or Material
1) Introduction
2) Historical Perspective
a. Available Technologies For Electrical Switchgear
b. Evolution Of Circuit-Breaker Technologies
c. Evolution Of Primary Distribution Switchboard Technologies
d. Evolution of Secondary Distribution Switchboard Technologies
e. Evolution Of The Technology Of Sensors And Protection Relays
3) Evolution of Single Line Diagrams
a. Diagram With Withdrawable Technology
b. Typical Diagram For GIS Technology
c. Simplified Diagram With Upstream Two-Position Selector
d. Reverse Diagram For GIS Technology
e. All-In-One Arrangement Diagram For GIS RMU
f. New Three-Position Diagram
4) Future Switchgear For MV Consumer Sites & Switching Substations
a. Smart Grids Will Use More CBs Than In The Past
b. Remote Control Will Be Mandatory For Smart Grids
c. LPCTs and LPVTs Will Be Essential For The Huge Development Of Power Management And
Metering
© 2015 Schneider Electric. All rights reserved. All trademarks provided are the property of their respective owners.
The Future of Medium Voltage Switchgear
Course Outline
d. Modularity Is A Must To Meet The Infinite Number Of Different Applications
5) Summary
Course Assessment: Test Your Knowledge
Course Survey: We Value Your Opinion
© 2015 Schneider Electric. All rights reserved. All trademarks provided are the property of their respective owners.