ABB RES670 Technical Manual page 359

1MRK 511 408-UUS A
Phasor measurement unit RES670 2.2 ANSI
Technical manual
Function
Inverse time characteristics, see table
696
High and low voltage limit, voltage
dependent operation, step 1 - 2
Directional function
Relay characteristic angle
Relay trip angle
Reset ratio, overcurrent
Reset ratio, undercurrent
Reset ratio, overvoltage
Reset ratio, undervoltage
Overcurrent:
Critical impulse time
Impulse margin time
Undercurrent:
Critical impulse time
Impulse margin time
Overvoltage:
Critical impulse time
Impulse margin time
Undervoltage:
Critical impulse time
Impulse margin time
Multipurpose protection
Range or value
3 curve types
(1.0 - 200.0)% of VBase
Settable: NonDir, forward and
reverse
(-180 to +180) degrees
(1 to 90) degrees
> 95%
< 105%
> 95%
< 105%
10 ms typically at 0 to 2 x I
set
15 ms typically
10 ms typically at 2 x I to 0
set
15 ms typically
10 ms typically at 0.8 x V to 1.2 x
set
V
set
15 ms typically
10 ms typically at 1.2 x V to 0.8 x
set
V
set
15 ms typically
Section 11
Accuracy
See table 696
±1.0% of V at V ≤ V
n n
±1.0% of V at V > V
n
-
±2.0 degrees
±2.0 degrees
-
-
-
-
-
-
-
-
-
-
-
-
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