ABB Relion 670 series - Page 214

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 94: Conditioning by a group functional input signal PHSEL

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

directional mode, is presented in figure 95.

Section 6 1MRK505222-UUS C

Impedance protection

208

Technical reference manual

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