grid · comm. port relay p54x leds conventional signalling ... sef 67/46 79-2. a p841 model b b c...

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GRID

CTS VTS50BF 50BF-2 79

Fault records Disturbance Record

Measurements

PSL

Local Communication

Remote comm. port

Relay P54x

LEDs

conventional signalling available in

all modelsP544 & P546 only

optional / model specific

protectioncommunication

Self monitoring

85FL

50N/51N

68

46BC

1 Opticport

2ndst Opticport

25

25-2

50/27SOTF/TOR

27/59 59N

87 21 50/51 67

P4163ENa

2nd Remote comm. port

IEC61850

XX

X

X

LINE

BUS

BUS

LINE

Vref

V

I

Neutral currentfrom parallel line(if present)

IM

IE sen

Vref

64REF78 9467N I/ V 67N

SEF 67/46

79-2

A

P841Model B

B

C

LINE

LINE

BUS

BUS

GRID