The role of inertia for grid flexibility under high penetration of variable renewables-A review of challenges and solutions

P Makolo, R Zamora, TT Lie - Renewable and Sustainable Energy Reviews, 2021 - Elsevier
Several studies show that grid-integrated renewable energy (RE) sources have the potential
to replace conventional synchronous generators in the network. This means the grid will …

[HTML][HTML] Analysis of emerging technologies in the hydropower sector

I Kougias, G Aggidis, F Avellan, S Deniz… - … and Sustainable Energy …, 2019 - Elsevier
The paper reviews recent research and development activities in the field of hydropower
technology. It covers emerging and advanced technologies to mitigate flow instabilities …

State-of-the-art review on frequency response of wind power plants in power systems

Z Wu, W Gao, T Gao, W Yan, H Zhang… - Journal of Modern …, 2018 - ieeexplore.ieee.org
With an increasing penetration of wind power in the modern electrical grid, the increasing
replacement of large conventional synchronous generators by wind power plants will …

Estimation of power system inertia from ambient wide area measurements

K Tuttelberg, J Kilter, D Wilson… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This study presents a method of estimating the effective inertia of a power system from
ambient frequency and active power signals measured by phasor measurement units. Most …

Frequency dynamics constrained unit commitment with battery energy storage

Y Wen, W Li, G Huang, X Liu - IEEE Transactions on Power …, 2016 - ieeexplore.ieee.org
The decline of system inertia due to the increasing displacement of synchronous units by
renewable units has introduced a major challenge on the frequency dynamics management …

Operating reserves and variable generation

E Ela, M Milligan, B Kirby - 2011 - osti.gov
This report tries to first generalize the requirements of the power system as it relates to the
needs of operating reserves. It also includes a survey of operating reserves and how they …

Security-constrained unit commitment with linearized system frequency limit constraints

H Ahmadi, H Ghasemi - IEEE Transactions on Power Systems, 2014 - ieeexplore.ieee.org
Rapidly increasing the penetration level of renewable energies has imposed new
challenges to the operation of power systems. Inability or inadequacy of these resources in …

[HTML][HTML] Evaluating rotational inertia as a component of grid reliability with high penetrations of variable renewable energy

SC Johnson, DJ Papageorgiou, DS Mallapragada… - Energy, 2019 - Elsevier
Growth of electricity generation from variable renewable resources like wind and solar has
raised questions about future grid stability. This paper used several renewable energy …

An analysis of the effects and dependency of wind power penetration on system frequency regulation

N Nguyen, J Mitra - IEEE Transactions on Sustainable Energy, 2015 - ieeexplore.ieee.org
The integration of renewable energy sources into power systems has gathered significant
momentum globally because of its unlimited supply and environmental benefits. Within the …

Adaptive formation of microgrids with mobile emergency resources for critical service restoration in extreme conditions

L Che, M Shahidehpour - IEEE Transactions on Power Systems, 2018 - ieeexplore.ieee.org
The existing microgrid-based distribution system restoration methods follow traditional
restoration criteria, which achieve a maximum coverage of distribution systems. In extreme …