# Commission Regulation (EU) 2017/1485 of 2 August 2017 establishing a guideline on electricity transmission system operation (Text with EEA relevance), Annex V

Extent: E+W+S+N.I.

FCR technical minimum requirements referred to in Article 154:
Table
FCR properties in the GB synchronous area
Minimum accuracy of frequency measurement
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10 mHz or the industrial standard if better
Maximum combined effect of inherent frequency response insensitivity and possible intentional frequency response dead band of the governor of the FCR providing units or FCR providing groups.
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15 mHz
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FCR full activation time
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10 s
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FCR full activation frequency deviation.
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± 500 mHz
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Source: https://www.legislation.gov.uk/eur/2017/1485/annex/V (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-1485/annex-V
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.