GE P642 User Manual

4 FEATURES AND FUNCTIONS
4.1 PROTECTION FUNCTIONS
The P64x range of devices provides the following protection functions:
ANSI IEC 61850 Protection Function P642 P643 P645
87T LzdPDIF Transformer biased differential protection • • •
64 RefPDIF Low Impedance and High Impedance Restricted Earth Fault protection 2 3 3
49 ThmPTTR Thermal Overload (3 stages) • • •
24 PVPH Single-phase and three-phase V/Hz Overfluxing protection (4 stages) 1 1 (2) 1 (2)
LoL Loss of Life • • •
Thru Through-fault monitoring • • •
RTD RtfPTTR RTDs x 10 PT100 temperature probes (•) (•) (•)
CLIO PTUC Current Loop transducer I/O (4 input / 4 output) (•) (•) (•)
50 OcpPTOC Definite time overcurrent protection (4 stages per winding) • • •
50N EfdPTOC Neutral/Ground Definite time overcurrent protection (4 stages per winding) • • •
51 OcpPTOC IDMT overcurrent protection (2 stages per winding) • • •
51N EfdPTOC Neutral/Ground IDMT overcurrent protection (2 stages per winding) • • •
46 NgcPTOC Negative sequence overcurrent (4 stages per winding) • • •
67 OcpPTOC Directional Phase Overcurrent protection (4 stages per winding) • • •
67N EfdPTOC Directional earth fault overcurrent protection (4 stages per winding) • • •
50BF RBRF CB Failure (Breaker Fail) protection (2 stages per winding) 2 3 5
27 VtpPhsPTUV Undervoltage protection (2 stages) (•) (•)
59 VtpPhsPTOV Overvoltage protection (2 stages) (•) (•)
59N VtpResPTOV Residual Overvoltage protection (2 stages) (•) (•)
47 NgvPTOV Negative sequence overvoltage protection (1 stage) (•) (•) (•)
81U FrqPTUF Underfrequency protection (4 stages) (•) (•)
81O FrqPTOF Overfrequency protection (2 stages) (•) (•)
Note:
If it
em is enclosed in brackets, this indicates that the feature is an ordering option.
4.2 CONTROL FUNCTIONS
Feature IEC 61850 ANSI
Watchdog contacts
Read-only mode
NERC compliant cyber-security
Function keys (up to 10) FnkGGIO
Programmable LEDs (up to 18) LedGGIO
Programmable hotkeys (2)
Programmable allocation of digital inputs and outputs
Fully customizable menu texts
Circuit breaker control, status & condition monitoring XCBR 52
Chapter 1 - Introduction P64x
8 P64x-TM-EN-1.3

GE P642 Specifications

General

Brand	GE
Model	P642
Category	Relays
Language	English