RoCoF Modification Proposalâ TSOs' Recommendations - Eirgrid

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ConclusionsIssues related to rate of change of frequency are currently limiting the allowableinstantaneous penetration of wind on the Ireland and Northern Ireland power system, andare having a knock-on effect on the viability of wind projects and on Government renewabletargets. The TSOs have tried to resolve the <strong>RoCoF</strong> issue within the powers granted to themby the Grid Codes, and have done so in an open and transparent way. The TSOs do notbelieve there are any theoretical reasons why plant would not be capable of operating at thehigher <strong>RoCoF</strong> values being proposed. Therefore, notwithstanding the concerns that havebeen raised by industry, the TSOs strongly recommend that the Regulatory Authoritiesapprove the Grid Code modifications on rate of change of frequency as a necessary first stepin solving this problem.14
15Bibliography[1] Government of Ireland. (2008, October) Carbon Budget. [Online].http://www.greenparty.ie/en/news/latest_news/carbon_budget_09[2] DETI. (July, 2009) Strategic Energy Framework consultation for Northern Ireland. [Online].http://www.detini.gov.uk/draft_strategic_energy_framework_2009-2.pdf[3] "All-Island Grid Study," DCENR/DETI, 2008.[4] "Facilitation of Renewables Study," EirGrid/SONI, 2010.[5] SONI Ltd. (2010, April) Minimum Function Specification for centrally dispatched Closed Cycle GasTurbines (CCGT). [Online]. http://www.soni.ltd.uk/upload/CCGT_Minimum_Function_Specification.pdf;http://www.soni.ltd.uk/upload/Minimum%20Function%20Specification%20(OCGT)%20Rev1%200.pdf[6] "Steam Turbine-Generator Torsional Vibration Interaction with the Electrical Network: Tutorial," EPRI,Palo Alto, CA, 2005.[7] Geoff Klempner and Isidor Kerszenbaum, Handbook of Large Turbo-Generators Operation and Maintenance,2nd ed.: Wiley/IEEE Press, 2008.[8] "Torsional Interaction Between Electrical Network Phenomena and Turbine-Generator Shafts:," EPRI, PaloAlto, CA:, 2006.[9] Math Bollen and Fainan Hassan, Integration of Distributed Generation in the Power System.: Wiley / IEEEPress, 2011.[10] EirGrid/SONI. (2011) EirGrid. [Online].http://www.eirgrid.com/media/DS3%20Programme%20Overview.pdf[11] "Grid Code v4.0," EirGrid, 2011.[12] Olle Elgerd, Electric Energy Systems Theory.: McGraw-Hill, 1971.[13] EirGrid, Rate of Change of Frequency - DS3 Advisory Council Discussion Paper, 2012.
Page 1 and 2: 1RoCoF Modification Proposal-TSOs
Page 3 and 4: 3The RoCoF ProblemThe nominal syste
Page 5 and 6: 5The fourth JGCWG meeting was held
Page 7 and 8: 7Figure 2 FoR Study Results on Volt
Page 9 and 10: 9• Summary of Studies on Rate of
Page 11 and 12: 11WindfarmsThe windfarm developers
Page 13: 13• Generators that could not com

RoCoF Modification Proposalâ TSOs' Recommendations - Eirgrid

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RoCoF Modification Proposalâ TSOs' Recommendations - Eirgrid