GE Multilin W650 Instruction Manual page 154

5.2 PRODUCT SETUP
5.2.6.1 METERING VALUES AND SETTINGS
The demand calculation is made according to the following primary parameters:
Table 5–16: PRIMARY DEMAND VALUES
Different integration methods can be selected to calculate current and power values.
Calculated demand values are as follows:
5
Table 5–17: DEMAND CALCULATED VALUES
The relay measures current demanded on each phase, ground and sensitive ground, negative sequence and three-phase
demand for real, reactive and apparent power. Current and Power methods can be chosen separately. Settings are
provided to disable certain measuring techniques,. These techniques are used by many utilities for statistical or control
purposes.
5-14
PRIMARY DEMAND VALUES
IA (RMS)
IB (RMS)
IC (RMS)
IG (RMS)
ISG (RMS)
I2
Three phase active power (W)
Three phase reactive power (VAR)
Apparent power (VA)
DEMAND CALCULATED VALUES
DEMAND IA DEMAND IG
DEMAND IA MAX DEMAND IG MAX
DEMAND IA DATE DEMAND IG DATE
DEMAND IB DEMAND ISG
DEMAND IB MAX DEMAND ISG MAX
DEMAND IB DATE DEMAND ISG DATE
DEMAND IC DEMAND I2
DEMAND IC MAX DEMAND I2 MAX
DEMAND IC DATE DEMAND I2 DATE
W650 Wind Generator Protection System
STEP
KA
KA
KA
KA
KA
KA
MW
MVAr
MVA
DEMAND W
DEMAND W MAX
DEMAND W DATE
DEMAND VAR PWR
DEMAND VAR MAX
DEMAND VAR DATE
DEMAND VA PWR
DEMAND VA MAX
DEMAND VA DATE
5 SETTINGS
5.2.6 DEMAND
GEK-113032A