ABB relion REF615 Applications Manual
Also see for relion REF615: Applications manualPoint List ManualApplications manualOperation manualProduct guide
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3.10.3.1 Functional diagrams for protectionThe functional diagrams describe the IEDs protection functionality in detail andaccording to the factory set default connections.Four non-directional overcurrent stages are offered for overcurrent and short-circuitprotection. Three-phase non-directional overcurrent protection, instantaneous stage,PHIPTOC1 can be blocked by energizing the binary input X120:BI1.PHIPTOC1BLOCKENA_MULTOPERATESTARTPHLPTOC1BLOCKENA_MULTOPERATESTARTPHHPTOC1BLOCKENA_MULTOPERATESTARTPHHPTOC2BLOCKENA_MULTOPERATESTARTOR6B1B2B3B4B5B6OPHIPTOC1_OPERATEPHIPTOC1_OPERATEPHLPTOC1_OPERATEPHLPTOC1_OPERATEPHHPTOC1_OPERATEPHHPTOC1_OPERATEPHHPTOC2_OPERATEPHHPTOC2_OPERATEPHLPTOC1_STARTPHHPTOC1_STARTPHHPTOC2_STARTPHIPTOC1_STARTX120_BI1_EXT_OC_BLOCKINGPHxPTOC_OPERATEGUID-4418FE50-A21E-4DA3-B13C-97D408EB4CFA V1 ENFigure 334: Overcurrent protection functionThe upstream blocking from the start of the second high stage of three-phase non-directional overcurrent protection PHHPTOC2 is connected to the binary outputX110:SO1. This output can be used for sending a blocking signal to the relevantovercurrent protection stage of the IED at the infeeding bay.OR6B1B2B3B4B5B6O UPSTEAM_OC_BLOCKINGPHHPTOC2_STARTGUID-9B85F4BF-82D4-4867-B89B-1E73F145341C V1 ENFigure 335: Upstream blocking logicSection 3 1MRS756378 SREF615 standard configurations232 REF615Application Manual |
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