ABB REG670 - Technical Data

IEC11000306-3-en.vsd
OpModeU< =
a<b
a
b
uP1P2
U<
a
<
b
a
b
uP2P3
U<
a
<
b
a
b
uP3P1
U<
1
Zone
3
Start
&
&
1
b0
b1
int
Zone 2 Start
10 ms
1
&
tU<
tPulse=
1
sec
TRUV
q
-
1
STUV
Drop-Off
timer
0
=
Off
1 =
Z2Start
2
=
Z3Start
1
BLKUV
BLOCK
t
t
q
-
1
IEC11000306 V3 EN
Figure 155: Under voltage seal-in for zone 2 and zone 3
7.10.8 Technical data
Table 150: ZGVPDIS Technical data
Function
Range or value Accuracy
Number of zones 3 -
Forward reach
(3.0 - 200.0)% of Z
r
where Z
r
=UBase/√3∗IBase
±5.0% of set impedance
Conditions:
Voltage range: (0.1 - 1.1) x U
r
Current range: (0.5 - 30) x I
r
Reverse reach
(3.0 - 200.0)% of Z
r
where Z
r
=UBase/√3∗IBase
±5.0% of set impedance
Conditions:
Voltage range: (0.1 - 1.1) x U
r
Current range: (0.5 - 30) x I
r
Impedance angle
(5 - 90) degrees -
Reset ratio 105% typically -
Start time at 1.2 to 0.8 x set
impedance
Min. = 15 ms
-
Max. = 35 ms
Independent time delay to
operate at 1.2 to 0.8 x set
impedance
(0.000 – 60.000) s
±0.2% or ±40 ms whichever is
greater
Section 7 1MRK502052-UEN B
Impedance protection
332
Technical manual