Chint Power CPS SCA20KTL-DO Installation And Operation Manual page 81

QuCurveU2i(V)
QuCurveQ2i(%
)
QuCurvTripP
（%）
QuCurveReP
（%）
"FreqDeratCtrl" menu: Set up the parameters of over-frequency active
power deraring.
Table 5-7 Protection parameters of active power derating (VDE-4105)
Parameter name
FreqDeratSet
GridOFDerat1(Hz) Derating frequency 1
DeratRatio(%/Hz)
DePowStep(KW/S) Derating power recovery step
GridOFDerat3(Hz) Derating recovery frequency3 {49.00,50.00,61.00}
GridOFDeT3(S)
When the grid standard is VDE-4105, the setting range of trip frequency
of over-frequency derating is (50.00Hz，51.50Hz), and the default value is
50.20Hz. The range of over-frequency derating slope is (0，100%), and the
default value is 40.0%.
(330.0，358.5，367.0)
(-100.0%,
100.0%)
(5.0%，20.0%，100.0%)
(5.0%，5.0%，100.0%)
Description
Over-frequency
setting
Derating ratio
Derating frequency recovery
time
-50.1%
Setup range (lower limit,
default & upper limit)
derating
{Ban,Enable1,Enable2}
{50.00,50.20,65.00}
{0,40.0,100.0}
{0.01,0.03,2.00}
(CPS SCA20KTL)
{0.01,0.04,2.00}
(CPS SCA25KTL)
{0,300.00,600.00}
77
See Figure 5-18
，
See Figure 5-18
Qu curve
power
Qu curve
revocation power
trip