Transformer Protection Relays (Buchholz Principle) - EMB Gmbh
Transformer Protection Relays (Buchholz Principle) - EMB Gmbh
Transformer Protection Relays (Buchholz Principle) - EMB Gmbh
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...22 ...23 ...24 ...25 ...26 ...27<br />
Alarm Alarm Alarm Alarm Alarm Alarm<br />
1 NC 1 NC 1 NC 1 NC 1 NC 1 NC<br />
11<br />
12<br />
11<br />
12<br />
11<br />
12<br />
Disconnection Disconnection Disconnection Disconnection Disconnection Disconnection<br />
1 NC 2 NO 2 NC<br />
21<br />
22<br />
13<br />
14 24<br />
23 21<br />
22 32<br />
31 13<br />
11<br />
12<br />
1 NO and<br />
1 NC<br />
21<br />
14 22<br />
12<br />
21<br />
22<br />
1 CO 2 CO<br />
11<br />
14<br />
21<br />
22 24 32<br />
...31 ...32 ...33 ...34 ...35 ...36<br />
Alarm Alarm Alarm Alarm Alarm Alarm<br />
1 CO 1 CO 1 CO 1 CO 1 CO 1 CO<br />
21<br />
21<br />
21<br />
22 24 22 24 22 24 22 24 22 24 22 24<br />
Disconnection Disconnection Disconnection Disconnection Disconnection Disconnection<br />
1 NO 1 NC 2 NO 2 NC<br />
13<br />
14<br />
11<br />
12<br />
33<br />
34 44<br />
43 31<br />
21<br />
32 42<br />
21<br />
1 NO and<br />
1 NC<br />
41 13<br />
11<br />
14 12<br />
12<br />
11<br />
12<br />
21<br />
1 CO<br />
11<br />
14<br />
31<br />
34<br />
19
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