52 REM615 ANSI 5.0 FP1 MOTOR PROTECTION AND CONTROL
30. Functions, codes and symbols
—
Function ANSI
Protection
Three-phase non-directional overcurrent protection, low stage PHLPTOC
Three-phase non-directional overcurrent protection, high stage PHHPTOC
Three-phase non-directional overcurrent protection, instantaneous stage PHIPTOC
Non-directional earth-fault protection, low stage EFLPTOC
Non-directional earth-fault protection, high stage EFHPTOC
Directional earth-fault protection, low stage DEFLPDEF
Residual overvoltage protection ROVPTOV
Three-phase undervoltage protection PHPTUV
Three-phase overvoltage protection PHPTOV
Positive-sequence undervoltage protection PSPTUV
Negative-sequence overvoltage protection NSPTOV
Three-phase remnant undervoltage protection MSVPR
Frequency protection FRPFRQ
Overexcitation protection OEPVPH
Negative-sequence overcurrent protection for machines MNSPTOC
Loss of load supervision LOFLPTUC
Motor load jam protection JAMPTOC
Motor start-up supervision STTPMSU
Phase reversal protection PREVPTOC
Thermal overload protection for motors MPTTR
Motor differential protection MPDIF
High-impedance differential protection for phase A
High-impedance differential protection for phase B HIBPDIF
High-impedance differential protection for phase C HICPDIF
Circuit breaker failure protection CCBRBRF
Master trip TRPPTRC
Arc protection ARCSARC AFD
Multipurpose protection MAP
Underpower protection DUPPDPR
DOPPDPR
Control
Circuit breaker control CBXCBR
Disconnector control DCXSWI
Earthing switch control ESXSWI
Disconnector position indication DCSXSWI
Earthing switch indication ESSXSWI
Emergency startup
Conditioning monitoring and supervision
Circuit breaker condition monitoring SSCBR
Trip circuit supervision TCSSCBR TCM
Current circuit supervision CCSPVC CCM
Fuse failure supervision SEQSPVC
Runtime counter for machines and devices MDSOPT OPTM
To Next Page
Loading...
Need help?
General
