ABB Relion 670 series - Page 323

ABB Relion 670 series

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ANSI99000557-1-en.vsd

AB

BC

CA

AND

AND

AND

AND

AND

AND

AG

BG

CG

PHSEL

NDIR_AB

NDIR_BC

NDIR_CA

NDIR_A

NDIR_B

NDIR_C

PUZMPP

STNDPE

AND

BLOCK

LOVBZ

PHPUND

BLK

OR

OR

OR

OR

BLOCFUNC

ANSI99000557 V2 EN

Figure 163: Conditioning by a group functional input signal PHSEL, external start

condition

Composition of the phase pickup signals for a case, when the zone operates in a non-

directional mode, is presented in figure 81.

1MRK505222-UUS C Section 6

Impedance protection

317

Technical reference manual

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