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K.5
Date Code 20081022
Instruction Manual
SEL-787 Relay
Analog Quantities
Analog Quantities
AI401MN to
AI404MN
Analog transducer input 401–404 minimum
EU
x
x
x
AI501MX to
AI504MX
Analog transducer input 501–504 maximum
EU
x
x
x
AI501MN to
AI504MN
Analog transducer input 501–504 minimum
EU
x
x
x
RMS Metering
IAW1RMS
Winding 1 rms current, A-phase, magnitude
A pri
x
x
x
x
IBW1RMS
Winding 1 rms current, B-phase, magnitude
A pri
x
x
x
x
ICW1RMS
Winding 1 rms current, C-phase, magnitude
A pri
x
x
x
x
IAW2RMS
Winding 2 rms current, A-phase, magnitude
A pri
x
x
x
x
IBW2RMS
Winding 2 rms current, B-phase, magnitude
A pri
x
x
x
x
ICW2RMS
Winding 2 rms current, C-phase, magnitude
A pri
x
x
x
x
INRMS
Neutral rms current, magnitude
A pri
x
x
x
x
VARMS
RMS Voltage, A-phase-to-neutral, magnitude
V pri
x
x
x
x
VBRMS
RMS Voltage, B-phase-to-neutral, magnitude
V pri
x
x
x
x
VCRMS
RMS Voltage, C-phase-to-neutral, magnitude
V pri
x
x
x
x
VABRMS
RMS Voltage, A-to-B-phase, magnitude
V pri
x
x
x
x
VBCRMS
RMS Voltage, B-to-C-phase, magnitude
V pri
x
x
x
x
VCARMS
RMS Voltage, C-to-A-phase, magnitude
V pri
x
x
x
x
Demand Metering
IAD
Phase A Current Demand
A pri
x
x
x
x
IBD
Phase B Current Demand
A pri
x
x
x
x
ICD
Phase C Current Demand
A pri
x
x
x
x
IGD
Residual Current Demand
A pri
x
x
x
x
3I2D
Negative-Sequence Current Demand
A pri
x
x
x
x
Peak Demand Metering
PM_LRDH
Peak Demand Last Reset Date/Time High
Word
x
PM_LRDM
Peak Demand Last Reset Date/Time Middle
Word
x
PM_LRDL
Peak Demand Last Reset Date/Time Low
Word
x
IAPD
Phase A Current Peak Demand
A pri
x
x
x
x
IBPD
Phase B Current Peak Demand
A pri
x
x
x
x
ICPD
Phase C Current Peak Demand
A pri
x
x
x
x
IGPD
Residual Current Peak Demand
A pri
x
x
x
x
3I2PD
Negative-Sequence Current Peak Demand
A pri
x
x
x
x
Table K.1
Analog Quantities
(Sheet 5 of 6)
Label
Description
Units
Display
Points
SEL
OGIC
Load
Profile
DNP
Fast
Meter
Summary of Contents for SEL-787
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