Siemens 7VK512

)NTRODUCTION6+
6
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 &EATURES
0ROCESSOR SYSTEM WITH POWERFUL  BIT MICRO
PROCESSOR
COMPLETE DIGITAL MEASURED VALUE PROCESSING AND
CONTROL FROM DATA ACQUISITION AND DIGITIZING OF THE
MEASURED VALUES UP TO THE CLOSE DECISIONS FOR THE
CIRCUIT BREAKER
COMPLETE GALVANIC AND RELIABLE SEPARATION OF THE
INTERNAL PROCESSING CIRCUITS FROM THE MEASURE
MENT CONTROL AND SUPPLY CIRCUITS OF THE SYSTEM
WITH SCREENED ANALOG INPUT TRANSDUCERS BINARY
INPUT AND OUTPUT MODULES AND $# CONVERTER
UNIVERSAL APPLICATION FOR OVERHEAD LINES OF ALL VOLT
AGE RANGES
AUTO RECLOSURE AND SYNCHRONISM CHECK ARE IN
DEPENDENT FUNCTIONS WHICH CAN BE USED INDIVIDU
ALLY OR WITH EXTERNAL SUPPLEMENTARY UNITS
CALCULATION OF OPERATIONAL MEASURED VALUES AND
INDICATION ON THE FRONT DISPLAY
SIMPLE SETTING AND OPERATION USING THE INTEGRATED
OPERATION PANEL OR A CONNECTED PERSONAL
COMPUTER WITH MENU
GUIDED SOFTWARE
STORAGE OF FAULT DATA STORAGE OF INSTANTANEOUS VAL
UES DURING A FAULT FOR FAULT RECORDING
COUNTERS FOR THE NUMBER OF RECLOSING ATTEMPTS
COMMUNICATION WITH CENTRAL CONTROL AND STORAGE
DEVICES VIA SERIAL INTERFACES IS POSSIBLE WITH OP
TIONAL CONNECTION OF OPTICAL FIBRE
CONTINUOUS MONITORING OF THE HARDWARE AND SOFT
WARE OF THE RELAY
 )MPLEMENTED FUNCTIONS
!UTOMATIC RECLOSE FUNCTION
SINGLE POLE THREE POLE OR SINGLE AND THREE
POLE
SINGLE OR MULTI SHOT EG 2!2 AND THREE POLE
$!2
WITH SEPARATELY ALLOCATED ACTION TIMES AND DEAD
TIMES FOR SINGLE
POLE THREE POLE 2!2 RAPID !2
FOR FIRST SHOT AND THREE
POLE $!2 DELAYED !2 FOR
FURTHER SHOTS
3YNCHRONISM AND VOLTAGE CHECK OPTIONAL
SYNCHRONISM CHECK BEFORE AUTO RECLOSURE AFTER
THREE
POLE TRIP
HIGH SPEED MEASUREMENT OF VOLTAGE MAGNITUDE
DIFFERENCE 5 PHASE ANGLE DIFFERENCE  AND FRE
QUENCY DIFFERENCE F
SETTABLE ALTERNATIVELY FOR DEAD LINE CHECK ANDOR
DEAD BUS CHECK
ASYNCHRONOUS SWITCHING POSSIBLE WITH PRE DE
TERMINATION OF THE INSTANT OF SYNCHRONISM
SETTABLE MINIMUM VOLTAGE
SYNCHRO CHECK DEAD LINE CHECK OR DEAD BUS
CHECK ALSO POSSIBLE BEFORE MANUAL CLOSE OF THE
CIRCUIT BREAKER WITH SEPARATELY SETTABLE CHECK
PROGRAMS
MEASURED VOLTAGES CAN BE CONNECTED EITHER PHA
SE
TO PHASE OR PHASE TO EARTH