t1Q&U< [ms] 1st step - trigger 500 ms 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 ………………… Setting values in Grid operator accordance with Function Setting parameter setting BDEW MV specifications guideline Uc of the MV UQ&U< [kV] 0.85 UC grid Reactive power undervoltage t1Q&U< [ms] Trigger power protection 500 ms 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). TG 8, Annex C, Part B Data questionnaire for grid operators of new systems 6 (9) Certification of a power generating system 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 ………………… For A) For B) recommended Function Setting parameter Prescribed Setting values setting values on in in accordance with accordance with by grid operator BDEW MV guideline TCC 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 0.3/1.5 s …2.4 below U<< 0.3 ULV 0.45 ULV
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
TR8-Rev.8-EN-Anhang-C.docx