Accura 2300S/2350-1P3FSC User Guide
Chapter 5 Measurements
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2015 Rootech Inc. All Rights Reserved
Page 149
1-Phase 3-Wire Connection
Voltage Wiring
Fig 5.3 1P3W Connection with 2 PTs and 2 CTs
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 (The value becomes 0 in 1P3W mode.)
V
C
= V
3
Line-to-line
voltage
calculation
V
AB
= 0 (The value becomes 0 in 1P3W mode.)
V
BC
= 0 (The value becomes 0 in 1P3W mode.)
V
CA
= V
C
- V
A
= V
3
–
V
1
Available Measurement Values
Item
Line-to-neutral
voltage(rms)
Line-to-line
voltage(rms)
Current(rms)
Active Power
A Phase
V
A
0
I
A
(I
1
)
P
A
= V
A
* I
A
* PF
A
B Phase
0
0
0
0
C Phase
V
C
V
CA
I
C
(I
3
)
P
C
= V
C
* I
C
* PF
C
(N terminal voltage)
Содержание ACCURA 2300S
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