ABB REC650 ANSI, Applications Manual

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Table of contents
Section 1 Introduction..........................................................................15
This manual............................................................................................ 15
Intended audience.................................................................................. 15
Product documentation...........................................................................16
Product documentation set................................................................16
Document revision history................................................................. 17
Related documents............................................................................17
Symbols and conventions.......................................................................18
Symbols.............................................................................................18
Document conventions...................................................................... 19
Section 2 Application...........................................................................21
REC650 application................................................................................21
Available functions..................................................................................25
Control and monitoring functions.......................................................25
Back-up protection functions............................................................. 29
Station communication...................................................................... 30
Basic IED functions........................................................................... 31
REC650 application examples................................................................32
Adaptation to different applications................................................... 32
Single breaker line bay, single or double busbar, in solidly
grounded network..............................................................................32
Single breaker line bay, single or double busbar, in high
impedance grounded network........................................................... 33
Bus coupler in a solidly grounded network........................................ 35
Bus coupler in a high impedance grounded network.........................36
Section 3 REC650 setting examples...................................................39
Setting example when REC650 is used as back-up protection in a
transformer protection application.......................................................... 39
Calculating general settings for analogue inputs 8I 2U..................... 40
Calculating settings for global base values GBASVAL......................42
Calculating settings for instantaneous phase overcurrent
protection, HV-side, PHPIOC (50).....................................................42
Calculating settings for four step phase overcurrent protection 3-
phase output, HV-side, OC4PTOC (51_67)...................................... 43
Calculating general settings ........................................................ 43
Table of contents
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Application manual