Validation of Full-Converter Wind Power Plant Generic Model Based on Actual Fault Ride-Through Measurements

Modeling and validation of full power converter wind turbine models with field measurement data are rarely reported in papers. In this paper an aggregated generic dynamic model of the wind farm consisting of full power converter wind turbines is composed and the model validation based on actual field measurements is performed. The paper is based on the measurements obtained from the real short circuit test applied to connection point of observed wind farm. The presented approach for validating the composed model and fault ride-through （FRT） capability for the whole wind park is unique in overall practice and its significance and importance is described and analyzed.

Energy Security in the European Union

According to the European Commission, the three challenges that Europe must face related to energy are sustainability, security of supply and reaching an effective competitiveness in the internal energy market. To meet these three challenges, the Commission deems necessary to implement a common energy policy. To this end, it proposed an action plan based on the effective creation of an internal energy market, the solidarity between Member States and security of supply for oil, gas and electricity, Therefore energy security is one of the main concerns, and so one of the priorities, of the new European energy policy proposed by the Commission. This paper tries to show that even though energy has been on the basis of what we call today European Union, it has been extremely complicated to get a common energy policy. Bearing this in mind, energy security has been one of the main areas of consensus that has led EU to the mentioned Commission proposal, and we can see now the first steps of the so much wanted common energy policy.

Steady-state security in distribution networks with large wind farms

Aging network assets,forced and unforced outages,and the way the networks are operated in a deregulated market are of significant concerns to integrate large wind farms in a distribution network.In many cases,the constrained network capacity is a potential barrier to the large-scale integration of wind power.This paper probabilistically assesses the steady-state security in a distribution network in the presence of large wind farms.The approach incorporates active distribution network operating conditions,including intermittent power outputs,random outages,demand fluctuations,and dynamic interactions and exchanges,and then assesses the steady state security using Monte Carlo simulation.A case study is performed by integrating large wind farms into a distribution network.The results suggest that intermittent outputs of large wind farms in a distribution network can impact the steady-state security considerably.However,the level of impact of wind farms does not necessarily correlate with the installed capacity of them.

Scarcity events analysis in adequacy studies using CN2 rule mining

Dealing with scarcity events is nowadays gaining relevance in electricity market studies, as traditionally predictable generation and consumption patterns are fading. Policymakers and system planners use therefore adequacy studies to a) understand if the current market design will attract sufficient generation capacity to meet electricity demand in the future and b) to comprehend what drives system inadequacy or resource scarcity when future scenarios lack adequate capacity. This work addressed the latter and showcases a first in-its-kind rulebased methodology that filters scarcity events from a large set of electricity market simulations. In this proof-of-concept, a rule-mining algorithm is applied to outputs from ENTSO-E’s Pan-European electricity market model, which is run for 700 model scenarios, each covering 8760 time steps. The developed methodology shows how to unveil potential reasons behind scarcity events in an automated, interpretable, and scalable manner.