Schweitzer Engineering Laboratories SEL-311L Instruction Manual page 462

MET D—Demand Metering
The MET D command displays the demand and peak demand values of the following quantities:
Currents
Power
Reset Time
To view demand metering values, enter the command:
=>MET D <ENTER>
The output from an SEL-311L Relay is shown:
=>MET D <ENTER>
SEL-311L
EXAMPLE: BUS B, BREAKER 3
IA
DEMAND 188.6
PEAK 188.6
DEMAND IN
PEAK IN
DEMAND OUT
PEAK OUT
LAST DEMAND RESET 01/27/97 15:31:51.238
=>
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 in Section 8: Breaker Monitor and Metering Functions.
MET E—Energy Metering
The MET E command displays the following quantities:
Energy
Reset Time
To view energy metering values, enter the command:
=>MET E <ENTER>
10-36
I Input currents (A primary)
A,B,C
I Residual ground current (A primary; I
G
3I Negative-sequence current (A primary)
2
MW Single-phase megawatts
A,B,C
MW Three-phase megawatts
3P
MVAR Single-phase megavars
A,B,C
MVAR Three-phase megavars
3P
Demand, Peak Last time the demands and peak demands were reset
Date: 10/12/99
IB IC
186.6 191.8
186.6 191.8
MWA MWB MWC MW3P
0.0 0.0 0.0 0.0
0.0 0.0 0.0 0.0
2.2 2.2 2.2 6.6
3.1 3.1 3.1 9.3
MWh Single-phase megawatt hours (in and out)
A,B,C
MWh Three-phase megawatt hours (in and out)
3P
MVARh Single-phase megavar hours (in and out)
A,B,C
MVARh Three-phase megavar hours (in and out)
3P
Last time the energy meter was reset
Line Current Differential Communications
and Serial Port Communications and Commands
SEL-311L Instruction Manual
Time: 16:22:04.372
IG 3I2
4.5 4.7
4.5 4.7
MVARA MVARB MVARC
0.0 0.0 0.0
0.0 0.0 0.0
0.3 0.3 0.3
0.4 0.4 0.4
LAST PEAK RESET 01/27/97 15:31:56.239
= 3I = I + I
G 0 A
MVAR3P
0.0
0.0
0.9
1.2
Date Code 20010625
+ I )
B C