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PMU-Based ROCOF Measurements: Uncertainty Limits and Metrological Significance in Power System Applications

open access: yes
In modern power systems, the Rate-of-Change-of-Frequency (ROCOF) may be largely employed in Wide Area Monitoring, Protection and Control (WAMPAC) applications. However, a standard approach towards ROCOF measurements is still missing.
Frigo, Guglielmo   +3 more
core   +2 more sources

Improved use of wind turbine kinetic energy for system frequency support

open access: yes, 2017
To ensure security operation of power systems with high wind penetration, wind turbines (WTs) are required to participate system frequency control. The amount of WT kinetic energy used for system frequency control is discussed and minimum rotor speeds ...
Xu, Lie, Xu, Guoyi
core  

Feasibility of achieving fast RoCoF-based LOM protection – a case study of Hong Kong distribution network [PDF]

open access: yes
Distributed Energy Resources (DERs) are playing a critical role in the energy landscape to facilitate the decarbonisation of energy systems. One of the key requirements for the safe integration of DERs is to ensure the Loss of Mains (LoM) protection is ...
Ng, Pang Yiu   +8 more
core  

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