6-34 G650 Generator Protection & Control System GEK-113285A
6.3 METERING 6 ACTUAL VALUES
ments of single phase power value cannot be duly calculated, and therefore, its value will be zero. Measurement for single
phase power value only will be provided when Wye connection is selected or when Delta connection and VN as Auxiliary
Voltage is selected in General Settings main menu. For the three-phase power value, the system uses the ARON method,
or two-wattmeters method.
6.3.1.4 ENERGY
Actual> Metering > Primary Values > Energy
Energy is only given in three phase primary values
Table 6–39: ENERGY PRIMARY VALUES
When the energy counters reach the value (2ˆ 31)/1000 (approximately 2147 MVArh and MWh) all the values are set to
zero and starts counting again.
6.3.1.5 DEMAND
Actual> Metering > Primary Values > Demand
Demand is only given in primary values
Table 6–40: DEMAND PRIMARY VALUES
DESCRIPTION UNITS
Positive MWatthour MWh
Negative MWatthour MWh
Positive MVarhour MVArh
Negative MVarhour MVArh
Pos Mwatthour Cnt MWh
Neg Mwatthour Cnt MWh
Pos MVarhour Cnt MVArh
Neg MVarhour Cnt MVArh
DESCRIPTION UNITS
DEMAND IA KA
DEMAND IA MAX KA
DEMAND IA DATE dd/mm/yy hh:mm:ss:ms
DEMAND IB KA
DEMAND IB MAX KA
DEMAND IB DATE dd/mm/yy hh:mm:ss:ms
DEMAND IC KA
DEMAND IC MAX KA
DEMAND IC DATE dd/mm/yy hh:mm:ss:ms
DEMAND IG KA
DEMAND IG MAX KA
DEMAND IG DATE dd/mm/yy hh:mm:ss:ms
DEMAND ISG KA
DEMAND ISG MAX KA
DEMAND ISG DATE dd/mm/yy hh:mm:ss:ms
DEMAND I2 KA
DEMAND I2 MAX KA
DEMAND I2 DATE dd/mm/yy hh:mm:ss:ms
DEMAND W MW
DEMAND W MAX MW
DEMAND W DATE dd/mm/yy hh:mm:ss:ms
DEMAND VAR PWR MVAr
DEMAND VAR MAX MVAr
DEMAND VAR DATE dd/mm/yy hh:mm:ss:ms
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