# Commission Regulation (EU) 2017/1485 of 2 August 2017 establishing a guideline on electricity transmission system operation (Text with EEA relevance), Article 143: Frequency restoration process

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

1. The control target of the FRP shall be to regulate the FRCE towards zero within the time to restore frequency.
2. The FRCE is:
(a) the ACE of an LFC area, where there is more than one LFC area in a synchronous area; or
(b) the frequency deviation, where one LFC area corresponds to the LFC block and the synchronous area.
3. The ACE of a LFC area shall be calculated as the sum of the product of the K-Factor of the LFC area with the frequency deviation plus de subtraction of:
(a) the total interconnector and virtual tie-line active power flow; and
(b) the control program in accordance with Article 136.
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Source: https://www.legislation.gov.uk/eur/2017/1485/article/143 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-1485/article-143
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.