Black Box IC109A-R2 Manuale di Installazione Pagina 139

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13363230-216-229-B1
3
© 2007 Schneider Electric. All Rights Reserved.
Commissioning
Checking Sepam™ B80
Additional Voltage
Input Connections
Block Diagram
DE51259
* Detection of Plugged Connector (required for proper operation. Installed manually)
Procedure
Use the diagram above to perform the following steps
1 Turn the generator on.
2 Apply a voltage VN set to the rated secondary voltage of the additional VT
(V’
Ln
s = V’
LLs
/ 3).
3 Use the SFT2841 software to check that the measured voltage indicated V’an or
V’ab is approximately equal to the VT's rated primary phase-to-neutral voltage
(V’
Ln
p = V’
LLp
/ 3).
4 Turn the generator off when testing is complete.
Van
Vbn
Vcn
Vr
a
b
c
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