Black Box IC109A-R2 Manuel d'installation Page 33

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1
© 2007 Schneider Electric. All Rights Reserved.
63230-216-229-B1
Installation
Base Unit
Connecting Additional Voltage Inputs
for Sepam™ B83
Additional Phase Voltage Input Connection
Variants
Variant 1: Measuring Three
Phase-to-Neutral Voltages
(3 V
Ln
, Standard Connection)
Variant 2: Measuring Two Phase-to-Phase Voltages (2 V
LL
)
DE51801
DE51802
You can calculate residual voltage by measuring the
three phase-to-neutral voltages, V’rΣ.
This variant does not allow residual voltage calculation.
Variant 3: Measuring One
Phase-to-Phase Voltage (1 V
LL
)
Variant 4: Measuring One Phase-to-Neutral Voltage (1 V
Ln
)
DE51803
DE51804
This variant does not allow residual voltage calculation. This variant does not allow the calculation of residual voltage.
Additional Residual Voltage Input
Connection
Variant 5: Measuring Residual Voltage V’r
DE51805
V‘cn
V‘bn
V‘an
c
ba
V‘cn
V‘bn
V‘an
cba
c
ba
V‘cn
V‘bn
V‘an
V‘cn
V‘bn
V‘an
c
ba
cba
V‘cn
V‘bn
V‘an
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