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7UT51 v3
•
Address 1124 – Rated primary current of
Winding 2 CT
•
Address 1125 – Star-point formation of
Winding 2 CT
•
Address 1126 – Processing of winding 2 zero
sequence current
•
Address 1127 – Rated prim. current of
Winding 2 star-point CT
•
Address 1128 – Ground point formation of
Winding 2 star-point CT
Transformer Data (Address Block 1400)
•
Address 1401 – Nominal current of virtual object
•
Address 1402 – Rated primary current of CT
•
Address 1404 – Rated primary current of
star-point CT
•
Address 1405 – Ground point of the CT currents
87-Transformer Diff Protection Data
(Address Block 1600)
•
Address 1601 – 87-State of differential protection
•
Address 1603 – 87-Pick-Up value of differential
protection
•
Address 1604 – 87HS-Highset Pickup rms value
of differential protection
•
Address 1606 – 87-Slope 1 of operating
characteristic
•
Address 1607 – 87-Base point for slope 2 of
operating characteristic
•
Address 1608 – 87-Slope 2 of operating
characteristic
PRIM-2330C
Operation Using a Personal Computer
•
Address 1610 – 87-State of 2nd harmonic
restraint
•
Address 1611 – 87-2nd harmonic content in the
differential current
•
Address 1612 – 87-Time for cross-blocking with
2nd harmonic
•
Address 1613 – 87-Choice a further (n-th)
harmonic restraint
•
Address 1614 – 87- nth harmonic content in the
differential current
•
Address 1615 – 87-Active time for cross-blocking
w/ nth harmonic
•
Address 1616 – 87-Limit IDIFFmax of nth
harmonic restraint
•
Address 1617 – 87-Max. blocking time at CT
saturation
•
Address 1618 – 87-Min. restraint current for
blocking @CT saturation
•
Address 1625 – 87-Trip time delay of differential
current stage
•
Address 1626 – 87-Operating time of high-set
differential current stage
•
Address 1627 – Reset delay after differential
operation has been initiated
Measured Value Supervision (Address Block 2900)
•
Address 2903 – Symmetry threshold for current
monitoring
•
Address 2904 – Symmetry factor for current
monitoring
15
157
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