U> [kV] 1.08 Uc tU> [s] 1 min U< [kV] 0.8 Uc tU< [s] 2.7 Undervoltage protection U<< [kV] tU<< [s] f> [Hz] 51.5 Hz Overfrequency protection tf> [ms] 100 ms ≤ f< [Hz] 47.5 Hz Underfrequency protection tf< [ms] 100 ms ≤ Other remarks Note: For all physical variables, PRIMARY VALUES are to be given (e. g. I>> 360 A instead of I>> 1.2 In; U< 16 kV instead of U< 0.8 Un). TG 8, Annex C, Part B Data questionnaire for grid operators of new systems 5 (9) Certification of a power generating system 1.3 System protection Connection to the EHV/HV grid to be taken from TCC ………………….of ………………… Recommendation Grid operator Setting Function from VDE TCC setting parameter High-Voltage specifications voltage of the HV grid UQ&U< [kV] 0.85 Un Excitation Reactive power direction voltage undervoltage protection ULL > FG 0.95 Un Reconnection enabling voltage
U> [kV] 1.08 Uc tU> [s] 1 min Undervoltage protection U< [kV] 0.8 Uc tU< [s] 2.7 U<< [kV] tU<< [s] Overfrequency protection f> [Hz] 51.5 Hz tf> [ms] ≤ 100 ms Underfrequency protection f< [Hz] 47.5 Hz tf< [ms] ≤ 100 ms Other remarks Note: For all physical variables, PRIMARY VALUES are to be given (e. g. I>> 360 A instead of I>> 1.2 In; U< 16 kV instead of U< 0.8 Un). Data questionnaire for grid operators of new systems Certification of a power generating system TG 8, Annex C, Part B 5 (9) 1.3 System protection Connection to the EHV/HV grid to be taken from TCC ………………….of ………………… Function Setting parameter Recommendation from VDE TCC High-Voltage Grid operator setting specifications Reactive power direction undervoltage protection UQ&U< [kV] 0.85 Un voltage of the HV grid Excitation voltage ULL > FG 0.95 Un Reconnection enabling voltage
TR8-Rev.8-EN-Anhang-C.docx