ABB Relion 670 series - Page 326

ABB Relion 670 series

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PU_A_Zx

TRIPZx

AND

AND

AND

AND

TR_A_Zx

TR_B_Zx

TR_B_Zx

PU_Zx

PU_B_Zx

PU_C_Zx

AND

AND

AND

TZx

BLOCK

LOVBZ

BLKZx

BLKTRZx

AND

AND

PU_ND_Zx

OR

OR

AZx

BZx

CZx

PPZx

NDZx

OR

PGZx

ANSI12000138-1-en.vsd

15 ms

0

15 ms

0

15 ms

0

15 ms

0

15 ms

0

15 ms

0

ANSI12000138 V1 EN-US

Figure 163: Pickup and trip outputs

Section 7 1MRK 502 066-UUS B

Impedance protection

320

Technical manual

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