Section 2
Available functions
IEC 61850 or
ANSI
Function name
TRPTTR
49
CCRBRF
50BF
CCRPLD
52PD
GUPPDUP
37
GOPPDOP
32
AEGGAPC
50AE
NS2PTOC
46I2
VRPVOC
51V
Voltage protection
UV2PTUV
27
OV2PTOV
59
ROV2PTOV
59N
OEXPVPH
24
STEFPHIZ
59THD
Frequency protection
SAPTUF
81
SAPTOF
81
SAPFRC
81
2.3
IEC 61850 or Function
ANSI
name
Control
SESRSYN
25
SLGGIO
VSGGIO
Table continues on next page
40
Function description
Thermal overload protection, two time constants
Breaker failure protection, 3–phase activation and output
Pole discordance protection
Directional underpower protection
Directional overpower protection
Accidental energizing protection for synchronous generator
Negative-sequence time overcurrent protection for machines
Voltage-restrained time overcurrent protection
Two step undervoltage protection
Two step overvoltage protection
Two step residual overvoltage protection
Overexcitation protection
100% Stator earth fault protection, 3rd harmonic based
Underfrequency function
Overfrequency function
Rate-of-change frequency protection
Control and monitoring functions
Function description
Synchrocheck, energizing check, and synchronizing
Logic Rotating Switch for function selection and LHMI
presentation
Selector mini switch
1MRK 502 048-UUS A
Generator
0–2
2
2
0–1
1
1
0–1
1
1
0–1
1
1
0–2
2
2
1
1
1
1
1
1
1
1
1
0–1
1
1
0–1
1
1
0–2
2
2
0–1
1
1
0–1
1
1
0–4
4
4
0–4
4
4
0–2
2
2
Generator
0–1
1
1
15
15
15
20
20
20
Technical manual