Simulation models
Article 21
1. Transmission-connected demand facilities and transmission-connected distribution systems shall fulfil the requirements set out in paragraphs 3 and 4 related to the simulation models or equivalent information. 2. Each TSO may require simulation models or equivalent information showing the behaviour of the transmission-connected demand facility, or the transmission-connected distribution system, or both, in steady and dynamic states. 3. Each TSO shall specify the content and format of those simulation models or equivalent information. The content and format shall include: (a) steady and dynamic states, including 50 Hz component; (b) electromagnetic transient simulations at the connection point; (c) structure and block diagrams. 4. For the purpose of dynamic simulations, the simulation model or equivalent information referred to in paragraph 3(a) shall contain the following sub-models or equivalent information: (a) power control; (b) voltage control; (c) transmission-connected demand facility and transmission-connected distribution system protection models; (d) the different types of demand, that is to say electro technical characteristics of the demand; and (e) converter models. 5. Each relevant system operator or relevant TSO shall specify the requirements of the performance of the recordings of transmission-connected demand facilities or transmission-connected distribution facilities, or both, in order to compare the response of the model with these recordings.