Accura 2300/2350 User Guide
Chapter 5 Measurement Description
ⓒ
2011 Rootech Inc. All Rights Reserved
Page 195
1-Phase 3-Wire
Voltage connection
Fig 5.3 2PT 2CT Wiring, 1P3W Connection
Voltage measurement
Vector Diagram
Item
Description
V
N
V
1
V
3
Line-to-neutral voltage
sensing
▶
Line-to-neutral voltage[V
1
, V
3
] sensing based on
N-terminal voltage
V
A
= V
1
V
B
= 0 (processed as zero by 1P3W setup)
V
C
= V
3
Line-to-line voltage
calculation
V
AB
= 0 (processed as zero by 1P3W setup)
V
BC
= 0 (processed as zero by 1P3W setup)
V
CA
= V
C
- V
A
= V
3
–
V
1
Measured values provided
Item
Line-to-neutral voltage[rms]
Line-to-line voltage[rms]
Current[rms]
Active Power
Phase A
V
A
0
I
A
(I
1
)
P
A
= V
A
* I
A
* PF
A
Phase B
0
0
0
0
Phase C
V
C
V
CA
I
C
(I
3
)
P
C
= V
C
* I
C
* PF
C
Average/ Total
(V
A
+V
C
)/2
V
CA
(I
A
+I
C
)/2
P
A
+P
C
Summary of Contents for Accura 2300 Front
Page 221: ......
