Woodward DSLC-2 - Accuracy Specifications

Manual 37443A DSLC-2 - Digital Synchronizer and Load Control
Page 204/226 © Woodward
Accuracy
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Measuring value
Display
Accuracy
Measuring start
Notes
Frequency
Generator 15.0 to 85.0 Hz
0.2 % (of 85 Hz)
5 % (of PT second-
ary voltage setting)
1
Busbar
40.0 to 85.0 Hz
Voltage
Wye generator / mains / busbar
0 to 650 kV
0.5 %
(of 150/600 V)
2
1.5 % (of PT
second-ary voltage
setting)
1
Delta generator / mains /
busbar
2 % (of PT second-
ary voltage setting)
1
Current
Generator
0 to 32,000 A
0.5 %
(of 1.3/6.5 A)
3
1 % (of 1/5 A)
3
Mains / ground current
Max. value
Real power
Actual total real power value -2 to 2 GW
1 % (of 150/600 V *
1.3/6.5 A)
2/3
Starts with detecting
the zero passage of
current/voltage
Reactive power
Actual value in L1, L2, L3 -2 to 2 Gvar
1 % (of 150/600 V *
1.3/6.5 A)
2/3
Starts with detecting
the zero passage of
current/voltage
Power factor
Actual value power factor L1
Lagging 0.00 to
1.00 to leading 0.00
2 % 2 % (of 1/5 A)
3
1.00 is displayed
for measuring val-
ues below the
measuring start
Miscellaneous
Battery voltage
8 to 40 V
1 % (of 24 V)
Phase angle -180 to 180 °
1.25 % (of PT sec-
ondary volt. setting)
180 ° is displayed
for measuring val-
ues below measur-
ing start
Miscellaneous
0 to 20 mA / 0 to 10 V Freely scaleable
1.2 % (of 20 mA) /
1.2 % (of 10 V)
1
Setting of the parameter for the PT secondary rated voltage
2
Depending on the used measuring inputs (100/400 V)
3
Depending on the CT input hardware (1/5 A) of the respective unit
Reference conditions (for measuring the accuracy):
• Input voltage ............................ sinusoidal rated voltage
• Input current ............................. sinusoidal rated current
• Frequency ................................. rated frequency +/-2 %
• Power supply ............................ rated voltage +/-2 %
• Power factor (cos φ) ................. 1.00
• Ambient temperature ................ 23 °C +/-2 K
• Warm-up period ....................... 20 minutes