Seg MRF3, Руководство пользователя

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28 TB MRF3 04.01 E
7.3 Setting ranges and steps
Function Para-
meter Setting range Steps Tolerance
Rated frequency f
N
50 Hz/60 Hz 50 Hz/60 Hz None
Frequency measuring periods T 2...99 (periods) 1 None
Frequency measuring step 1 f
1
f
1
+R
t
f1
t
R
+t
f1
30...49.99; EXIT; 50.01...70 Hz
1
40...59.99; EXIT; 60.01...80 Hz
2
(40 Hz...f1
5
/ f1
6
...60 Hz)
1
(50 Hz...f1
5
/ f1
6
...70 Hz)
2
t
f,min
.. .600 s; EXIT
0.06s...600s
0.1; 0.01 Hz
0.1; 0.01 Hz
0.02; 0.05; 0.1; 0.2; 0.5; 1.0;
2.0 s
0.02; 0.05; 0.1; 0.2; 0.5; 1.0;
2.0; 5.0; 10s
0.005 Hz
0.005 Hz
±1% bzw.
±20 ms
Frequency measuring step 2 f
2
f
2
+R
t
f2
t
R
+t
f2
30...49.99; EXIT; 50.01...70 Hz
1
40...59.99; EXIT; 60.01...80 Hz
2
(40 Hz...f2
5
/ f2
6
...60 Hz)
1
(50 Hz...f2
5
/ f2
6
...70 Hz)
2
t
f,min
.. .600 s; EXIT
0,06s...600s
0.1; 0.01 Hz
0.1; 0.01 Hz
0.02; 0.05; 0.1; 0.2; 0.5; 1.0;
2.0 s
0.02; 0.05; 0.1; 0.2; 0.5; 1.0;
2.0; 5.0; 10s
0.005 Hz
0.005 Hz
±1% bzw.
±20 ms
Frequency measuring step 3 f
3
f
3
+R
t
f3
t
R
+t
f3
30...49.99; EXIT; 50.01...70 Hz
1
40...59.99; EXIT; 60.01...80 Hz
2
(40 Hz...f3
5
/ f3
6
...60 Hz)
1
(50 Hz...f3
5
/ f3
6
...70 Hz)
2
t
f,min
.. .600 s; EXIT
0.06s...600s
0.1; 0.01 Hz
0.1; 0.01 Hz
0.02; 0.05; 0.1; 0.2; 0.5; 1.0;
2.0 s
0.02; 0.05; 0.1; 0.2; 0.5; 1.0;
2.0; 5.0; 10s
0.005 Hz
0.005 Hz
±1% bzw.
±20 ms
Frequency measuring step 4 f
4
f
4
+R
t
f4
t
R
+t
f4
30...49.99; EXIT; 50.01...70 Hz
1
40...59.99; EXIT; 60.01...80 Hz
2
(40 Hz...f4
5
/ f4
6
...60 Hz)
1
(50 Hz...f4
5
/ f4
6
...70 Hz)
2
t
f,min
.. .120 s; EXIT
0.06s...600s
0.1; 0.01 Hz
0.1; 0.01 Hz
0.02; 0.05; 0.1; 0.2; 0.5; 1.0;
2.0 s
0.02; 0.05; 0.1; 0.2; 0.5; 1.0;
2.0; 5.0; 10s
0.005 Hz
0.005 Hz
±1% bzw.
±20 ms
Thresholds and tripping val-
ues for df/dt-measuring fe + df
1
40...49.999; VARI
3
; 50.001...60Hz
1
50...59.999; VARI
3
; 60.001...70Hz
1
0.1; 0.01 Hz 0.005 Hz
4)
Bottom limit value for df/dt
measuring
fe + df
1
+ min
EXIT; 40... 60Hz
1
EXIT; 50... 70Hz
2
0.1; 0.01 Hz 0.005 Hz
4)
Top limit value for df/dt
measuring
fe + df
1
+ max
40...60 Hz
1
; EXIT
50...70 Hz
2
; EXIT
0.1; 0.01 Hz 0.005 Hz
df/dt – step 1 df
1
dt
1
-10...-0.2 Hz/s; EXIT;0.2...10 Hz/s
2...64 (periods) 0.1; 0.2; 0.5 Hz/s
1
0.1 Hz/s
Thresholds and tripping val-
ues for df/dt-measuring fe + df
2
40...49.999; VARI
3
; 50.001...60Hz
1
50...59.999; VARI
3
; 60.001...70Hz
1
0.1; 0.01 Hz 0.005 Hz
4)
Bottom limit value for df/dt
measuring
fe + df
2
+ min
EXIT; 40...60Hz
1
EXIT; 50...70Hz
2
0.1; 0.01 Hz 0.005 Hz
4)
Top limit value for df/dt
measuring
fe + df
2
+ max
40...60 Hz
1
; EXIT
50...70 Hz
2
; EXIT
0.1; 0.01 Hz 0.005 Hz
df/dt – step 2 df
2
dt
2
-10...-0.2 Hz/s; EXIT;0.2...10 Hz/s
2...64 (periods)
0.1; 0.2; 0.5 Hz/s
1
0.1 Hz/s
Blocking the frequency meas-
uring
Releasing for the frequency
measuring
UBmin
UBmax
5 – 100 V
12 – 230 V
20 – 400 V
5 – 100 V
12 – 230 V
20 – 400 V 1 V
1 V
2 V
1 V
1 V
2 V 1% from
rated value
Table 7.1: Setting ranges and steps
1
for setting f
N
= 50 Hz
2
for setting f
N
= 60 Hz
3
f
e
setting „VARI“: df/dt – measurement for mains decoupling
„Setting values“: df/dt – measurement for load shedding schemes
4
Parameters appear with setting "VARI" /
5
at overfrequency setting /
6
at underfrequency setting