Winco DGC-2020 - Manual (Page 19)

9400200990 Rev K DGC-2020 General Information 1-7
Apparent Power
Indicates total kVA and individual line kVA (4-wire, line-to-neutral or 3-wire, line-to-line).
Measurement/Calculation Methods
Total: kVA = (V
L-L
 I
L
3) ÷ 1000
4-Wire, Line-to-Neutral: kVA calculated with respect to neutral
3-Wire, Line-to-Line: A-phase kVA = V
AB
 I
A
 1000  3
B-phase kVA = V
BC
 I
B
 1000  3
C-phase kVA = V
CA
 I
C
 1000  3
Accuracy: 3% or the full-scale indication or 2 kVA †
 kVA metering indicates 0 kVA when the generator kVA is below 2% of the full-scale rating.
† Applies when temperature is between -40
C to +70C.
Power Factor
Metering Range:
0.2 leading to 0.2 lagging
Calculation Method: PF = P (3-phase average)  S (3-phase average)
Accuracy: 0.02 
 Applies when temperature is between –40C to +70C.
Real Power
Indicates total kW and individual line kW (4-wire, line-to-neutral or 3-wire line-to-line)
Measurement/Calculation Methods
Total:
PF  Total kVA
4-Wire, Line-to-Neutral: kW calculated with respect to neutral
3-Wire, Line-to-Line: A-phase kW = V
AB
 I
A
 PF  1000  3
B-phase kW = V
BC
 I
B
 PF  1000  3
C-phase kW = V
CA
 I
C
 PF  1000  3
Accuracy: 3% of the full-scale indication or 2 kW †
 kW metering indicates 0 kW when the generator kW is below 2% of the full-scale rating.
† Applies when temperature is between –40
C to +70C.
Oil Pressure
Metering Range:
0 to 145 psi or 0 to 1,000 kPa
Accuracy: 3% of actual indication or 2 psi or 12 kPa (subject to accuracy of
sender)
Display Resolution: 1 psi or 1 kPa
Coolant Temperature
Metering Range:
32 to 410 F or 0 to 204C
Accuracy: 3% of actual indication or 2 (subject to accuracy of sender)
Battery Voltage
Metering Range:
6 to 32 Vdc
Accuracy: 3% of actual indication or 0.2 Vdc
Display Resolution: 0.1 Vdc
Engine RPM
Metering Range:
0 to 4,500 rpm
Accuracy:  2% of actual indication or 2 rpm
Display Resolution: 2 rpm
 When engine speed is below 2% of full-scale, reported rpm is 0.
Engine Run Time
Engine run time is retained in nonvolatile memory.
Metering Range:
0 to 99,999 h
Update Interval: 6 min
Accuracy: 1% of actual indication or 12 min
Display Resolution: 1/10 hour