ABB Relion 670 series, Техническое руководство

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Section 3 Analog inputs
SEMOD55010-1 v3
3.1 Introduction
SEMOD55003-5 v10
Analog input channels must be configured and set properly in order to get correct measurement
results and correct protection operations. For power measuring and all directional and differential
functions the directions of the input currents must be defined in order to reflect the way the
current transformers are installed/connected in the field ( primary and secondary connections ).
Measuring and protection algorithms in the IED use primary system quantities. Setting values are
in primary quantities as well and it is important to set the data about the connected current and
voltage transformers properly.
A reference
PhaseAngleRef can be defined to facilitate service values reading. This analog channels
phase angle will always be fixed to zero degrees and all other angle information will be shown in
relation to this analog input. During testing and commissioning of the IED the reference channel
can be changed to facilitate testing and service values reading.
The availability of VT inputs depends on the ordered transformer input module
(TRM) type.
3.2 Function block
SEMOD116577-1 v4
The hardware channels appear in the signal matrix tool (SMT) and in ACT when a
TRM is included in the configuration with the hardware configuration tool. In the
SMT or the ACT they can be mapped to the desired virtual input (SMAI) of the IED
and used internally in the configuration.
3.3 Signals
PID-3920-OUTPUTSIGNALS v4
Table 8: TRM_12I Output signals
Name Type Description
STATUS BOOLEAN Analog input module status
CH1(I) STRING Analogue current input 1
CH2(I) STRING Analog current input 2
CH3(I) STRING Analog current input 3
CH4(I) STRING Analog current input 4
CH5(I) STRING Analog current input 5
Table continues on next page
1MRK 502 066-UUS B Section 3
Analog inputs
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Technical manual