Date Code 20010731
Event Reports and SER
10-9
SEL-352-1, -2 Instruction Manual
Table 10.1: Event Report Columns (EVENT n Command)
Column
Heading
Corresponding Elements
(Relay Word Bits)
Symbol
Definition
VAX
A-phase, X-side unfiltered analog voltage
VBX
B-phase, X-side unfiltered analog voltage
VCX
C-phase, X-side unfiltered analog voltage
IA
A-phase unfiltered analog current
IB
B-phase unfiltered analog current
IC
C-phase unfiltered analog current
All digital
columns
.
Element/input/output not picked up or not
asserted, unless otherwise stated
50FT
50FTA, 50FTB, 50FTC
A
A-phase overcurrent element picked up
50LD
50LDA, 50LDB, 50LDC
B
B-phase overcurrent element picked up
50MD
50MDA, 50MDB, 50MDC
C
C-phase overcurrent element picked up
2
Two overcurrent elements picked up
3
Three overcurrent elements picked up
50N
50N
*
Residual overcurrent element picked up
X59H
X59HA, X59HB, X59HC
A
A-phase overvoltage element picked up
X59L
X59LA, X59LB, X59LC
B
B-phase overvoltage element picked up
C
C-phase overvoltage element picked up
2
Two phase overvoltage elements picked up
3
All three-phase overvoltage elements
picked up
46P
46P
*
Current unbalance element picked up
37OP
37OP
*
Overpower element picked up
FBF
LBF
LPF
UBBF
UBPF
FBF
LBF
LPF
UBBF
UBPF
*
Failure or pending failure asserted
RT
RTA, RTB, RTC
A
A-phase retrip element asserted
B
B-phase retrip element asserted
C
C-phase retrip element asserted
2
Two retrip elements asserted
3
All three retrip elements asserted
MDT MDT
*
Motor operated disconnect trip element
asserted
86RS
86RS
*
Lockout relay reset element asserted
86BFT
86BFT
*
Lockout relay trip element asserted
Содержание SEL-352-1
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