ABB REC650 Commissioning Manual

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Contents

ABB REC650 Commissioning Manual Manual pdf 81 page image

TestequipmentUMeasurePh/NPh/Phen08000027.vsdU-BusU-LineNIEDU-BusNUL1UL2UL3NInput PhaseL1,L2,L3L12,L23,L31IEC08000027 V1 ENFigure 12: General test connection with three-phase voltage connected to theline side6.7.1.1 Testing the synchronizing functionThis section is applicable only if the synchronizing function is included.The voltage inputs used are:ULine UL1, UL2 or UL3voltage inputs on the IEDU-Bus Bus voltage input on the IEDTesting the frequency differenceThe frequency difference is in the example set at 0.20 Hz on the local HMI, and thetest should verify that operation is achieved when the FreqDiffMax frequencydifference is lower than 0.20 Hz. The test procedure below will depend on thesettings used.1. Apply voltages1.1. U-Line = 100% UBase and f-line = 50.0 Hz1.2. U-Bus = 100% UBase and f-bus = 50.2 Hz2. Check that a closing pulse is submitted and at closing angle less than 2degrees from phase equality. Modern test sets will evaluate this automatically.3. Repeat with1MRK 511 248-UEN - Section 6Testing functionality73Commissioning Manual