Schweitzer Engineering Laboratories SEL-351-5, Instruction Manual

Page: 459 / 706

10.23
Date Code 20070117
Instruction Manual SEL-351-5, -6, -7 Relay
Serial Port Communications and Commands
Command Explanations
To view demand metering values, enter the command:
=> MET D <Enter>
The output from an SEL-351 with wye-connected voltage inputs is shown:
=> MET D <Enter>
FEEDER 1 Date: 02/01/01 Time: 15:08:05.615
STATION A
IA IB IC IN IG 3I2
DEMAND 188.6 186.6 191.8 0.2 4.5 4.7
PEAK 188.6 186.6 191.8 0.3 4.5 4.7
MWA MWB MWC MW3P MVARA MVARB MVARC MVAR3P
DEMAND IN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
PEAK IN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
DEMAND OUT 2.2 2.2 2.2 6.6 0.3 0.3 0.3 0.9
PEAK OUT 3.1 3.1 3.1 9.3 0.4 0.4 0.4 1.2
LAST DEMAND RESET 01/27/01 15:31:51.238 LAST PEAK RESET 01/27/01 15:31:56.239
=>
Reset the accumulated demand values using the MET RD command. Reset
the peak demand values using the MET RP command. For more information
on demand metering, see Demand Metering on page 8.20 .
MET E—Energy Metering
The MET E command displays the following quantities:
To view energy metering values, enter the command:
=> MET E <Enter>
The output from an SEL-351 with wye-connected voltage inputs is shown:
3I
2
Negative-sequence current
(A primary)
Power MW
A,B,C
Single-phase megawatts (wye-
connected voltage inputs only)
MW
3P
Three-phase megawatts
MVAR
A,B,C
Single-phase megavars (wye-
connected voltage inputs only)
MVAR
3P
Three-phase megavars
Reset Time Demand, Peak Last time the demands and peak
demands were reset
Energy MWh
A,B,C
Single-phase megawatt hours
(in and out; wye-connected
voltage inputs only)
MWh
3P
Three-phase megawatt hours
(in and out)
MVARh
A,B,C
Single-phase megavar hours
(in and out; wye-connected
voltage inputs only)
MVARh
3P
Three-phase megavar hours
(in and out)
Reset Time Last time the energy meter was reset