Siemens SIPROTEC 6MD665, Руководство пользователя

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2 Functions
32
6MD665 Manual
C53000-G1876-C103-3
1)
Within the SYNC function, the parameter V transformer
n secondary
corresponds to the sec-
ondary input voltage.
2)
Within the measuring transducer packets, the parameter V transformer
n secondary
is second-
ary to the
√
3 x input voltage.
2.4.3 Parameterizing Transducer Blocks
Configuration is to be performed in the Bay Processing Unit in each individual case.
The device contains pre-defined measuring transducer blocks which can be activated
individually.
2.4.3.1 Description
Configuring the measuring transducer
The configuration of measured values is fundamentally different from the configuration
of other SIPROTEC
®
4 devices. It is explained with an example using the function
block Measuring transducer 3-phase.
Selecting the func-
tional scope First select the measuring transducer blocks from the DIGSI
®
Functional scope
dialog box which are to be contained in the functional scope of the device.
For this purpose, open the device and click Functional scope in the function selec-
tion.
Select the available entry on the Measurement 3phase 1.packet line in the Scope
column and confirm with OK. The measurement transducer block is activated.
Star connection,
neutral earthed power
supply 3 x Vfeeder
Ph-N
= 100 V
1 x V
Ph-N
= 100 V
Measuring trans-
ducer
3-phase
173.2 V
2)
for feeder operational
measurements
Measuring trans-
ducer
1-phase
173.2 V
2)
for reference operational
measurements
SYNC function 1 to
SYNC function 5 100 V for synchronisation func-
tion
Connection variants Input voltages
Secondary
Functions Parameter
Transformer V
n sec
Comments