Current Transformers (CT)
Page 48
EN MRA4 04/09
L1
L3
L2
IL1
IL3
IL2
1
X3.
2
3
4
5
6
7
8
9
10
11
12
IG'
Three phase current measurement; In secondary = 1 A.
Earth-current measuring via Holmgreen-connection; IGnom secondary = 1 A.
MRI4, MCI4, MRA4, MCA4 => terminal markings X3.
IL1
1A
5A
N
IL3
1A
5A
N
IL2
1A
5A
N
IG
1A
5A
N
Notice!
Not recommended for isolated and compensated networks
Connection example Anti-Clockwise Rotating Field
IL3'
IL2'
IL1'
IL3'
IL2'
IL1'
Содержание SEG HighPROTEC MRA4
Страница 1: ...MRA4 HighPROTEC Feeder Protection Device Manual DOK HB MRA4E...
Страница 3: ...Order Code EN MRA4 04 09 Page 3...
Страница 59: ...Navigation Operation Navigation Operation EN MRA4 04 09 Page 59 1 4 2 3 5 7 6 8 9...
Страница 378: ...PQS Power Protection Module ANSI 32 37 Page 378 EN MRA4 04 09 P P Q P Q P Q Q Q P S S...
Страница 379: ...PQS Power Protection Module ANSI 32 37 EN MRA4 04 09 Page 379 Pr Q P Q P Qr...
Страница 486: ...Service Service General Within this menu you can initiate a reboot of the device Page 486 EN MRA4 04 09...