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List of signals
Signals from the different devices described above are concentrated in the auxiliary service board (7 & 9). These digital signals are
connected to a Modbus TCP fieldbus c industrial ethernet switch, so it can be integrated with an external SCADA. The list of most
common signals:
Main circuit diagram
The general single-line diagram depends on the configuration and options of the unit as well as the configuration of the inverter group. The
table below describes the baseline configuration.
Component
Signal
Signal type
A01 MV Cabinet type "C"
Disconnector Status
DI
Earth Switch Status
Gas Pressure Level
A02 MV Cabinet type "C"
Disconnector Status
Earth Switch Status
A03 MV Cabinet type "V"
Disconnector open indication
Earth Switch open indication
Circuit Breaker Status
Oil Transformer (DGPT2/RIS2)
Temperature stop T2
Temperature stop T1
Internal Pressure alarm
Gas
Auxiliary Services Cabinet
Aux Transformer secondary breaker status
Ventilation Status
*A02 MV Cabinet type “C” only for MVSWG CCV (2L+P) type
*Optionals, such as main circuit breaker, UPS, LV energy measurement; are not shown in this SLD
1
MV Switchgear
2
MV Transformer
3
AC Cabinet
4
Inverter Inputs
Auxiliary Service Board
5
Auxiliary Service Transformer
6
AC cabinet own loads (fans & heating)
7
Sockets (1PH)
8
Control
9
Communication
10
SPD
11
Spares
3 - Hardware desription
Содержание MVCS
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