Power System Requirements for Wind Power

The power system requirements for wind power mainly depend on the power system configuration, the installed wind power capacity, and how the wind power production varies. Wind resources vary on every time scale: seconds, minutes, hours, days, months and years. On all these time scales, the varying wind resources affect the power system. An analysis of this impact will be based on the geographical area that is of interest. The relevant wind power production to analyse is that of larger areas, like synchronously operated power systems, comprising several countries or states. The integration of wind power into regional power systems is mainly studied on a theoretical level, as wind power penetration is still rather limited. Even though the average annual wind power penetration in some island systems (e.g. Crete in Greece) or countries (e.g. Denmark) is already high, on average wind power generation represents only 1–2 % of the total power generation in the Scandinavian power system (Nordel) or the Central European system (UCTE). And the penetration levels in the USA (NERC regions) are even lower. Most examples in this chapter come from Central and Northern Europe, as there is already some experience with large-scale integration of wind power, and there are farreaching targets for wind power. In Central Europe, power production is mostly based on thermal production, whereas in the Nordic countries thermal production is mixed with a large share of hydro power. We will refer to the energy penetration when we use the term wind power penetration in the system. The energy penetration is the energy produced by wind power (annually) as a percentage of the gross electricity consumption. Low penetration means that less than 5 % of gross demand is covered by wind power production, high penetration is more than 10 %. First, this chapter will describe the power system and large-scale wind power production. We will then look at the effects of wind power production on power system operation as well as present results from studies in order to quantify these effects.

[1]  Michael Milligan,et al.  Modeling Utility-Scale Wind Power Plants Part 2: Capacity Credit , 2000 .

[2]  Lennart Söder.  Wind energy impact on the energy reliability of a hydro-thermal power system in a deregulated market , 1999 .

[3]  M. Lange,et al.  Previento-A Wind Power Prediction System with an Innovative Upscaling Algorithm , 2001 .

[4]  Roy Billinton,et al.  Reliability Assessment of Large Electric Power Systems , 1988 .

[5]  Bernhard Ernst,et al.  Analysis of Wind Power Ancillary Services Characteristics with German 250-MW Wind Data , 1999 .

[6]  Audun Botterud,et al.  System benefits of coordinating wind power and hydropower in a deregulated market , 2000 .

[7]  Henrik Lund,et al.  Management of surplus electricity-production from a fluctuating renewable-energy source , 2003 .

[8]  Gregor Giebel,et al.  Equalizing effects of the wind energy production in Northern Europe determined from reanalysis data , 2000 .

[9]  Michael Milligan,et al.  Optimizing the Geographic Distribution of Wind Plants in Iowa for Maximum Economic Benefit and Reliability , 2000 .

[10]  Damian Flynn,et al.  Modelling the Impact of Wind Power Fluctuations on the Load following Capability of an Isolated Thermal Power System , 2000 .

[11]  M. Milligan,et al.  Assessing Wind Integration Costs with Dispatch Models: A Case Study of PacifiCorp; Preprint , 2003 .

[12]  H. Holttinen.  Optimal electricity market for wind power , 2004 .

[13]  Brian Parsons,et al.  Wind Power Impacts on Electric Power System Operating Costs: Summary and Perspective on Work to Date; Preprint , 2004 .

[14]  B. Kirby,et al.  Computer-specific metrics for the regulation and load following ancillary services , 2000 .

[15]  Goran Strbac,et al.  Total cost estimates for large-scale wind scenarios in UK , 2004 .

[16]  Hannele Holttinen,et al.  The effect of wind power on CO2 abatement in the Nordic Countries , 2004 .

[17]  M. Milligan.  Wind Power Plants and System Operation in the Hourly Time Domain: Preprint , 2003 .

[18]  Michael Milligan.  Modelling utility‐scale wind power plants. Part 1: Economics , 1999 .

[19]  Yih-huei Wan,et al.  Wind Farm Power Fluctuations, Ancillary Services, and System Operating Impact Analysis Activities in the United States: Preprint , 2001 .