Siemens SIPROTEC 7UT613 series, Руководство пользователя

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2 Functions
68
7UT613/63x Manual
C53000-G1176-C160-2
For the winding assigned to side 3, the following data are relevant:
• Address
331 UN-PRI SIDE 3
the primary rated voltage (consider regulating
range),
• Address
332 SN SIDE 3
the primary rated apparent power,
• Address
333 STARPNT SIDE 3
the starpoint treatment,
• Address
334 CONNECTION S3
the winding connection mode,
• Address
335 VECTOR GRP S3
the vector group numeral.
For the winding assigned to side 4, the following data are relevant:
• Address
341 UN-PRI SIDE 4
the primary rated voltage (consider regulating
range),
• Address
342 SN SIDE 4
the primary rated apparent power,
• Address
343 STARPNT SIDE 4
the starpoint conditioning,
• Address
344 CONNECTION S4
the winding connection mode,
• Address
345 VECTOR GRP S4
the vector group numeral.
For the winding assigned to side 5, the following data are relevant:
• Address
351 UN-PRI SIDE 5
the primary rated voltage (consider regulating
range),
• Address
352 SN SIDE 5
the primary rated apparent power,
• Address
353 STARPNT SIDE 5
the starpoint conditioning,
• Address
354 CONNECTION S5
the winding connection mode,
• Address
355 VECTOR GRP S5
the vector group numeral.
The device automatically computes from these data of the protected transformer and
its windings the current-matching formulae which are required to match the vector
group and the different rated winding currents. The currents are converted such that
the sensitivity of the protection always refers to the power rating of the transformer.
In case of different rating of the windings, the rated apparent power of the most pow-
erful winding is the rated apparent power of the transformer. In general, no circuits are
required for matching of the vector group and no manual calculations for converting of
rated current are normally necessary.
Object Data with
Generators, Motors
and Reactors Using the 7UT613/63x for protection of generators or motors, the following must have
been set when configuring the scope of functions (see section Functional Scope,
address
105
):
PROT. OBJECT
=
Generator/Motor
. These settings also apply for
series and shunt reactors if a complete set of current transformers is connected to both
sides. In cases other than that, these settings are not available.
With address
361 UN GEN/MOTOR
you inform the device of the primary rated voltage
(phase-to-phase) of the machine to be protected.
The primary rated power set under address
362 SN GEN/MOTOR
is the direct primary
rated apparent power of the machine. The power must always be entered as a primary
value, even if the device is generally configured in secondary values. The device cal-
culates the rated current of the protected object and its sides from this power and the
rated voltage. This is the reference for all referred values.
Object Data with
Mini-Busbars,
Branch-Points,
Short Lines (3-
phase) These data are only required if the device is used as 3-phase differential protection for
mini busbars or short lines. When configuring the scope of functions (see Scope of
Functions, address
105
), the following must have been set:
PROT. OBJECT
=
3ph
Busbar
. In cases other than that, these settings are not available.