Instruction manual
–
AQ G3x7 Generator protection IED
204 (211
)
Pole Slip protection function (78)
Function
Range
Accuracy
Rated current In
1/5A, parameter setting
Rated voltage Un
100/200V, parameter setting
Current effective range
20-2000% of In
±1
% of In
Voltage effective range
2-110% of Un
±1
% of Un
Impedance effective range
In=1A
In=5A
0.1-200 Ohm
0.1-40 Ohm
±5%
Zone static accuracy
48Hz-52Hz
49.5-50.5Hz
±5%
±2
%
Operate time
Typically 25ms
±3 ms
Minimum operate time
<20ms
Reset time
16-25ms
Overexcitation/volts per hertz protection V/Hz, (24)
Frequency range
10…70Hz
Voltage range
10…170V secondary
Voltage measurement
inaccuracy
<1% (0.5
–
1.2xUn)
Frequency measurement
inaccuracy
<1% (0.8
–
1.2xfn)
Reverse power / directional overpower protection (32)
Effective operating range
I> 5% In
Function inaccuracy
<3%
Directional underpower protection (32)
Effective operating range
I> 5% In
Function inaccuracy
<3%