IEEE Power & Energy Magazine - January/February 2015 - 60

Pushing
the Limits
Europe's New Grid: Innovative
Tools to Combat Transmission
Bottlenecks and Reduced Inertia

I
By Wilhelm Winter,
Katherine Elkington,
Gabriel Bareux,
and Jan Kostevc

Digital Object Identifier 10.1109/MPE.2014.2363534
Date of publication: 7 January 2015

60

ieee power & energy magazine

In the future a growIng amount of power
electronics will lead to a transition of the power system to a structure with very low synchronous generation. Due to large transit
power flows and uncertainties, transmission systems are being
operated under increasingly stressed conditions and are close
to their stability limits. together with the integration of large
amounts of renewable generation with power electronic interfaces and the addition of high-voltage direct current (hVdc) links
into the power system, these challenges will necessitate a review
of the operation and control of transmission networks. this article will demonstrate the need for r&D performed by network
operators and explain a set of challenges, focusing on three main
areas: transmission grid operation in a new power system environment, the need to increase overhead line (ohL) utilization,
and the impact of reduced inertia on power system frequency.

Transmission Grid Operation in
a New Power System Environment
the tools currently in use by transmission system operators (tSos)
for operational planning and system operation must evolve significantly to work in an environment characterized by large-scale
integration of renewable energy sources with low predictability and
limited controllability as well as one that is close to its stability limits. the insertion of new equipment such as phase shifters and hVdc
lines and the development of an integrated european electricity market with huge power flows over large distances will bring further
challenges. these challenges are unprecedented, but fortunately the
european wind Integration Study (ewIS) project, finalized in 2010
1540-7977/15©2015IEEE

january/february 2015



Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - January/February 2015

IEEE Power & Energy Magazine - January/February 2015 - Cover1
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IEEE Power & Energy Magazine - January/February 2015 - Cover3
IEEE Power & Energy Magazine - January/February 2015 - Cover4
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