Example on how to connect a star connected three-phase CT set to the IED......................................................... 67Example how to connect delta connected three-phaseCT set to the IED....................................................................72Example how to connect single-phase CT to the IED............ 75Relationships between setting parameter Base Current, CTrated primary current and minimum pickup of a protection IED.. 77Setting of voltage channels......................................................... 77Example................................................................................. 77Examples how to connect, configure and set VT inputsfor most commonly used VT connections.............................. 78Examples on how to connect a three phase-to-earthconnected VT to the IED........................................................ 79Example on how to connect a phase-to-phaseconnected VT to the IED........................................................ 81Example on how to connect an open delta VT to the IEDfor high impedance earthed or unearthed networks...............83Example how to connect the open delta VT to the IEDfor low impedance earthed or solidly earthedpower systems....................................................................... 86Section 5 Local HMI....................................................................... 89Display..............................................................................................90LEDs.................................................................................................92Keypad............................................................................................. 93Local HMI functionality..................................................................... 95Protection and alarm indication................................................... 95Parameter management .............................................................96Front communication................................................................... 97Section 6 Wide area measurement system....................................99C37.118 Phasor Measurement Data Streaming ProtocolConfiguration PMUCONF................................................................. 99Identification................................................................................ 99Application................................................................................... 99Operation principle...................................................................... 99Short guidance for use of TCP............................................. 100Short guidance for use of UDP.............................................101Protocol reporting via IEEE 1344 and C37.118 PMUREPORT......103Identification.............................................................................. 103Application................................................................................. 103Operation principle.................................................................... 106Frequency reporting............................................................. 107Reporting filters.................................................................... 109Scaling Factors for ANALOGREPORT channels................. 110Table of contents2 Bay control REC670 2.2 IECApplication manual
