Features And Functions; Protection Functions - GE MiCOM P40 Agile Technical Manual

P14x
4

FEATURES AND FUNCTIONS

4.1

PROTECTION FUNCTIONS

The P14x range of devices provides the following protection functions:
ANSI IEC 61850
37
46 NgcPTOC
46BC
49 ThmPTTR
50 SOTF
50BF RBRF
50 OcpPTOC
50N EfdPTOC
51 OcpPTOC
51N EfdPTOC
67 OcpPTOC
67N EfdPTOC
CLP
VTS
CTS
64N RefPDIF
68
27 VtpPhsPTUV
47
59 VtpPhsPTOV
59N VtpResPTOV
81O FrqPTOF
81U FrqPTUF
81df/dt
81V DfpPFRC
51V
51R
25
32
79 RREC
21FL
81RF DfpPFRC
P14xEd1-TM-EN-1
Undercurrent detection (low load)
Negative sequence overcurrent
Broken Conductor
Thermal Overload
Switch onto Fault
CB Failure
Definite time overcurrent protection
Earth Fault Definite time overcurrent protection
Measured and Derived (standard EF CT), Derived (SEF CT)
IDMT overcurrent protection (stages)
Neutral/Ground IDMT overcurrent protection
Directional Phase Overcurrent
Directional Neutral Overcurrent
Wattmetric Earth Fault
Cold load pick up
VT supervision
CT supervision
Restricted Earth Fault
Sensitive Earth Fault (with SEF CT only)
2nd Harmonic Blocking
Undervoltage
Negative sequence overvoltage
Overvoltage
Residual Overvoltage
Overfrequency
Underfrequency
Rate of change of frequency (df/dt)
Undervoltage blocking of frequency protection
Programmable curves
Voltage Controlled Overcurrent
Voltage Restrained Overcurrent
Check synchronising
Phase Directional Power
Sensitive power
Load Encroachment supervision
(Load Blinders)
Autoreclose (3 phases)
Fault Locator
Frequency supervised rate of change of frequency
Chapter 1 - Introduction
Protection Function
7