ABB RES670 Product Manual page 36

Phasor measurement unit RES670 ANSI
Customized
Product version: 1.2
Voltage protection
Table 27. Two step undervoltage protection UV2PTUV (27)
Function
Operate voltage, low and high step
Absolute hysteresis
Internal blocking level, step 1 and step 2
Inverse time characteristics for step 1 and step 2, see table
Definite time delay, step 1
Definite time delays
Minimum operate time, inverse characteristics
Operate time, pickup function
Reset time, pickup function
Critical impulse time
Impulse margin time
Table 28. Two step overvoltage protection OV2PTOV (59)
Function
Operate voltage, step 1 and 2
Absolute hysteresis
Inverse time characteristics for steps 1 and 2, see table
Definite time delay, step 1
Definite time delays
Minimum operate time, Inverse characteristics
Operate time, pickup function
Reset time, pickup function
Critical impulse time
Impulse margin time
36
Range or value
(1–100)% of VBase
(0–100)% of VBase
(1–100)% of VBase
70 -
(0.00 - 6000.00) s
(0.000-60.000) s
(0.000–60.000) s
25 ms typically at 2 x V
10 ms typically at 2 x V
15 ms typically
Range or value
VBase
(1-200)% of
VBase
(0–100)% of
69 -
(0.00 - 6000.00) s
(0.000-60.000) s
(0.000-60.000) s
25 ms typically at 0 to 2 x V
25 ms typically at 2 to 0 x V
10 ms typically at 0 to 2 x V
15 ms typically
1MRK511254-BUS B
Accuracy
± 0.5% of V
± 0.5% of V
± 0.5% of V
See table
± 0.5% ± 10 ms
± 0.5% ±10 ms
± 0.5% ± 10 ms
to 0 0 -
set
-
to 0 -
set
-
Accuracy
± 0.5% of V
± 0.5% of V at V > V
± 0.5% of V
± 0.5% of V at V > V
See table
± 0.5% ± 10 ms
± 0.5% ± 10 ms
± 0.5% ± 10 ms
-
set
-
set
-
set
-
n
n
n
70
at V < V
n n
n
at V < V
n n
n
69
ABB