ABB RELION REX640 Technical Manual page 42

Table of contents
36
Analog input configuration....................................................... 1253
Operation principle.................................................................. 1254
Circuit breaker status......................................................... 1255
Circuit breaker operation monitoring.................................. 1256
Breaker contact travel time.................................................1257
Operation counter...............................................................1259
Accumulation of I
Remaining life of circuit breaker......................................... 1261
Circuit breaker spring-charged indication...........................1263
Gas pressure supervision...................................................1263
Application............................................................................... 1264
Signals.....................................................................................1267
Settings....................................................................................1269
Monitored data.........................................................................1270
Technical data......................................................................... 1271
Hot-spot and insulation ageing rate monitoring for transformers
HSARSPTR.................................................................................. 1271
Identification............................................................................ 1271
Function block......................................................................... 1271
Functionality............................................................................ 1271
Analog channel configuration.................................................. 1272
Operation principle.................................................................. 1272
Application............................................................................... 1281
Signals.....................................................................................1283
Settings....................................................................................1284
Monitored data.........................................................................1285
Technical data......................................................................... 1286
Section 8 Measurement functions.............................................. 1287
Basic measurements.................................................................... 1287
Functions................................................................................. 1287
Measurement functionality.......................................................1288
Measurement function applications......................................... 1296
Three-phase current measurement CMMXU.......................... 1297
Identification....................................................................... 1297
Function block.................................................................... 1297
Functionality....................................................................... 1297
Analog channel configuration............................................. 1298
Signals................................................................................1298
Settings.............................................................................. 1299
Monitored data................................................................... 1299
Technical data.................................................................... 1301
Three-phase voltage measurement VMMXU.......................... 1301
Identification....................................................................... 1301
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t..............................................................1260
REX640
Technical Manual