CT Lab Vecto III, User Manual

Page: 62 / 80

Vecto III User Manual
62
The Vecto III can be configured to:
•
Derive the Neutral current by the summation of the 3 line currents in star
connected (4-wire) circuits.
•
Derive any one of the missing line currents by the summation of the other 2
currents in Delta connected (3-wire) circuits.
4.2.4.2 Current Transducer Connections
4.2.4.2.1 Single-phase connection
The current transducer input on the Vecto III has a peak voltage input range of 2 V (1.4
V
RMS
).
Terminal Legend 1 V Output Current Transducer Circuits
1. V
1+
Voltage 1
2. V
1-
Voltage 1 Reference
3. V
2+
None
4. V
2-
None
5. V
3+
None
6. V
3-
None
7. V
4+
None
8. V
4-
None
Table 14: Current transducer sensor connection layout