Distance protection; type: Setting parameter Prescribed setting values separate settings sheet attached Remarks: Old (actual) New (setpoint) Overcurrent excitation I >> [A] Undervoltage excitation I > [A] U < [V] Zero phase sequence system excitation IE > [A] UNE> [V] Time overcurrent protection; type: Setting parameter Prescribed setting values separate settings sheet attached Remarks: Old (actual) New (setpoint) I >> [A] tI>> [ms] I > [A] tI> [ms] Earth fault protection; type: Setting parameter Prescribed setting values integrated in distance protection or time overcurrent protection separate settings attached Remarks: Old (actual) New (setpoint) IE >> [A] tIE>> [ms] IE > [A] tIE> [ms] UE > [V] tUE> [ms] 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 3 (9) 1.2 PGS grid protection Connection to the EHV/HV grid
to be taken from TCC ………………….of ………………… Function Setting parameter Recommendation from TCC Grid operator setting specifications High voltage side Overvoltage protection U> [kV] 1.25 Un Un=rated voltage of the HV grid tU> [ms] 500 ms Undervoltage protection U< [kV] 0.8 Un tU< [s] 5.0 s Overfrequency protection f> [Hz] 51.5 Hz tf> [ms] ≤ 100 ms Underfrequency protection f< [Hz] 47.5 Hz tf< [ms] ≤ 100 ms Low voltage side Overvoltage protection U>> [kV] 1.20 UMV setpoint voltage tU>> [ms] 300 ms U> [kV] 1.1 UMV tU> [s] 180s Other remarks Note: For all physical variables, PRIMARY VALUES are to be (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 4 (9) Connection to the MV grid to be taken from TCC ………………….of ………………… Function Setting parameter Setting values in accordance with BDEW MV guideline Grid operator setting Overvoltage protection U>> [kV] 1.15 Uc tU>> [ms] ≤ 100 ms s
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
t1Q&U< [ms] 500 ms 1st step - trigger at GCP 3° Excitation angle Imin Q(U) 0.1 Itransformer Minimum current Qmin Q(U) 0.05 SAmax Reactive power discrimination threshold Other remarks Connection to the MV grid to be taken from TCC ………………….of ………………… Function Setting parameter Setting values in accordance with BDEW MV guideline Grid operator setting specifications Reactive power undervoltage protection UQ&U< [kV] 0.85 UC Uc of the MV grid t1Q&U< [ms] 500 ms Trigger power circuit breaker at the GCP or PGU Other remarks Note: For all physical variables, PRIMARY VALUES are to be (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 6 (9) 2. Setting values of the grid protection device on the power generating unit Basis: BDEW MV guideline and TCC High-Voltage 2.1 Grid protection A) Connection to the EHV/HV grid B) Connection to the MV grid or MV grid with direct substation connection to be taken from TCC ………………….of ………………… Function Setting parameter For A) in accordance with TCC For B) recommended Setting values in accordance with BDEW MV guideline Prescribed setting values by grid operator Overvoltage protection U>> 1.25 ULV 1.15 ULV/1.20 ULV 7 tU>> 100 ms ≤ 100 ms Undervoltage protection U< 0.8 ULV 0.8 ULV tU< Staggered, see below 0.3/1.5 …2.4 s U<< 0.3 ULV 0.45 ULV on