IEC 61850 / Function
block name
ANSI
Function description
CCRBRF
50BF
Breaker failure protection
CSPRBRF
50BF
Breaker failure protection
STBPTOC
50STB
Stub protection
CCRPLD
52PD
Pole discordance protection
BRCPTOC
46
Broken conductor check
GUPPDUP
37
Directional underpower protection
GOPPDOP
32
Directional overpower protection
DNSPTOC
46
Negative sequence-based overcurrent function
AEGGAPC
50AE
Accidental energizing protection for synchronous generator
NS2PTOC
46I2
Negative-sequence time overcurrent protection for machines
VR2PVOC
51V
Voltage-restrained time overcurrent protection
Voltage protection
UV2PTUV
27
Two-step undervoltage protection
OV2PTOV
59
Two-step overvoltage protection
ROV2PTOV
59N
Two-step residual overvoltage protection
OEXPVPH
24
Overexcitation protection
LOVPTUV
27
Loss-of-voltage check
STEFPHIZ
64
100% Stator ground fault protection, 3rd harmonic based
Frequency protection
SAPTUF
81
Underfrequency function
SAPTOF
81
Overfrequency function
SAPFRC
81
Rate-of-change frequency protection
Table 3:
Control and monitoring functions
IEC 61850 / Function
block name
ANSI
Function description
Control
SESRSYN
25
Synchrocheck, energizing check and synchronizing
SMBRREC
79
Autorecloser
STBRREC
79
Autorecloser
SCILO
3
Logical node for interlocking
BB_ES
3
Interlocking for busbar grounding switch
A1A2_BS
3
Interlocking for bus-section breaker
A1A2_DC
3
Interlocking for bus-section disconnector
ABC_BC
3
Interlocking for bus-coupler bay
BH_CONN
3
Interlocking for 1 1/2 breaker diameter
BH_LINE_A
3
Interlocking for 1 1/2 breaker diameter
Table continues on next page
1MRK 511 244-UUS A
Section 1
Introduction
DNP, 650 series
9
Point list manual
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