ABB RES670 Technical Manual page 330

Section 10
Frequency protection
324
Table 182: FTAQFVR (81A) technical data
Function
Trip value, frequency high limit level at
symmetrical three phase voltage
Trip value, frequency low limit level at
symmetrical three phase voltage
Trip value, voltage high and low limit for
voltage band limit check
Trip value, current pickup level
Independent time delay for the continuous
time limit at f +0.02 Hz to f
set set
Independent time delay for the
accumulation time limit at f
set
f -0.02 Hz
set
Range or value
(35.00 – 90.00) Hz
(30.00 – 85.00) Hz
(0.0 – 200.0)% of VBase
(5.0 – 100.0)% of IBase
(0.0 – 6000.0) s
-0.02 Hz
(10.0 – 90000.0) s
+0.02 Hz to
1MRK 511 408-UUS A
GUID-E8D0EE7C-D7B8-46C3-9C0D-363FFC75DE93 v5
Accuracy
±2.0 mHz
±2.0 mHz
±0.5% of V at V ≤ V
n
±0.5% of V at V > V
±1.0% of I or 0.01 A at I≤I
r
±0.2% or ±250 ms whichever is
greater
±0.2% or ±250 ms whichever is
greater
Phasor measurement unit RES670 2.2 ANSI
Technical manual
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