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ABB Relion 670 Series Technical Reference Manual page 869

Line differential protection ansi

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1MRK505222-UUS C

Technical reference manual

ATRIP

150 ms

AND

t

0

2000 ms

BTRIP

150 ms

AND

t

0

2000 ms

150 ms

CTRIP

AND

t

0

2000 ms

BLOCK

P3PTR

OR

ANSI10000268 V2 EN

Figure 430:

Additional logic for the 1ph/3ph operating mode

OR

OR

AND

OR

OR

AND

OR

OR

AND

OR

Section 14

Logic

INTL_ATRIP

OR

INTL_BTRIP

OR

INTL_CTRIP

OR

OR

AND

-loop

ANSI10000268-2-en.vsd

863

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