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RPV311
Distributed Multifunction Fault Recorder
Chapter 18: Wiring Diagrams
1
Connection Diagrams of the Voltage Inputs
This chapter contains the all the possible wiring diagrams for the analogue inputs.
For further details on the inputs, refer to Chapter 15: Installation.
The RPV311 provides the capability for making some different voltage signal
connections for a 3-phase circuit:
Connection diagram of the voltage inputs
4-element connection: in this
case, the values shown are
equivalent to the voltages of
phases A, B and C, and to the
neutral voltage applied to the
equipment.
3-element (Phases A, B and C)
connection: in this case, the
fourth element is derived of the
values measured by the other
elements. The three elements
are equivalent to the values
applied to the equipment
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