3-Wire Delta, 2½-Element, 2 Pt & 3 Ct Connection Diagram; 3-Wire Delta, 2-Element, 2 Pt & 2 Ct Connection Diagram - Siemens 9700 Installation Instructions Manual

3-Wire Delta, 2½-Element, 2 PT & 3 CT Connection Diagram
2
38)
For ungrounded (floating) 3-
wire open Delta systems,
the 9700 Power Meter
always requires PTs, and
senses the line-to-line
voltages between each of
the phases. The 9700
Power Meter can be
connected using 3 CTs or 2
CTs.
VOLTS MODE should be set
to DELTA.
3-Wire Delta, 2-Element, 2 PT & 2 CT Connection Diagram
2
38)
For ungrounded (floating) 3-
wire open Delta systems,
the 9700 Power Meter
always requires PTs, and
senses the line-to-line
voltages between each of
the phases.
VOLTS MODE should be set
to DELTA.
(&ÃQPX@SÃH@U@SÃDITU6GG6UDPIÃ6I9Ã76TD8ÃT@UVQ
LINE
A B C
Fuses
CT Shorting Switch
or Test Block
CTs
Export
Import
LOAD
(dependent on equipped
power supply option)
LINE
C
B
A
Fuses
CT Shorting Switch
or Test Block
CTs
Export
Import
LOAD
(dependent on equipped
power supply option)
Fuses
2A
PTs
Switchgear
Chassis Ground
3 A slow-blow
Supply Power
3 A slow-blow
Fuses
2A
PTs
Switchgear
Chassis Ground
3 A slow-blow
Supply Power
3 A slow-blow
V1
V1
V2
V2
V3 V3
Vref
I1
I11
I12
I2
I21
I22
I3
I31
I32
I4
I41
I42
+
L/+
_
N/-
V1
V1
V2
V2
V3
V3
Vref
I11 I1
I12
I2
I21
I22
I3
I31
I32
I4
I41
I42
+
L/+
_
N/-
&