ABB RELION 630 Series Applications Manual
Also see for Relion 630 Series: Quick start guideQuick start guideOperation manualEngineering manualProduct guide
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Contents
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Circuit-breaker control function.............................................. 29Earthing switch control function..............................................29Neutral grounding resistor switch control function..................29Protection functions..................................................................... 31Stabilized three-phase differential protection MPDIF............. 31Thermal overload protection T2PTTR.................................... 32Non-directional overcurrent protection PHxPTOC................. 32Machine negative-sequence overcurrent protectionMNSPTOC............................................................................. 32Voltage-dependent overcurrent protection PHPVOC.............34Directional earth-fault protection DEFxPDEF.........................34Three-phase residual overvoltage protection ROVPTOV...... 35Three-phase overvoltage protection PHPTOV.......................36Three-phase undervoltage protection PHPTUV.....................36Overfrequency protection DAPTOF....................................... 37Underfrequency protection DAPTUF......................................38Frequency gradient protection DAPFRC................................38Underexcitation protection UEXPDIS.....................................39Reverse power/directional overpower protectionDOPPDPR..............................................................................40Underpower protection DUPPDPR........................................ 41Circuit-breaker failure protection CCBRBRF..........................42Tripping logic TRPPTRC........................................................ 42Combined operate and start alarm signal.............................. 43Other outputs and alarm signal.............................................. 44Supervision functions.................................................................. 44Trip circuit supervision TCSSCBR......................................... 44Fuse failure supervision SEQRFUF....................................... 44Circuit-breaker condition monitoring SSCBR......................... 44Measurement and analog recording functions............................ 45Binary recording and LED configuration......................................47Section 4 Requirements for measurement transformers................51Current transformers........................................................................ 51Current transformer requirements for overcurrent protection...... 51Current transformer accuracy class and accuracy limitfactor...................................................................................... 51Non-directional overcurrent protection................................... 52Example for non-directional overcurrent protection................53Section 5 Glossary......................................................................... 55Table of contents2 REG630Application Manual |
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