Siemens 7VK512

-ETHOD OF OPERATION6+
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 -ETHOD OF OPERATION
 /PERATION OF COMPLETE UNIT
4HE NUMERICAL AUTO RECLOSURE RELAY 6+ IS
EQUIPPED WITH A POWERFUL AND PROVEN 
BIT MICRO
PROCESSOR 4HIS PROVIDES FULLY DIGITAL PROCESSING OF
ALL FUNCTIONS FROM DATA ACQUISITION OF INPUT VALUES TO
THE CLOSE SIGNALS FOR THE CIRCUIT BREAKER
&IGURE  SHOWS THE BASE STRUCTURE OF THE UNIT
4HE TRANSDUCERS OF THE MEASURED VALUE INPUT SEC
TION -% TRANSFORM THE VOLTAGES FROM THE MEASURE
MENT TRANSFORMERS OF THE SWITCH
GEAR MODELS WITH
SYNCHRONISM AND VOLTAGE CHECK AND MATCH THEM TO
THE INTERNAL PROCESSING LEVEL OF THE UNIT !PART FROM
THE GALVANIC AND LOW
CAPACITANCE ISOLATION PRO
VIDED BY THE INPUT TRANSFORMERS FILTERS ARE PROVIDED
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&IGURE  (ARDWARE STRUCTURE OF AUTO RECLOSURE RELAY 6+ FULLY EQUIPPED