15
NOVA
®
15i, NOVA 27i, and NOVA 38i; Three-phase
microprocessor-controlled; installation and operation
instructions (S280-43-1)
Instructional Literature
IL0104001E
Effective January 2017
Form 6/FXD control settings
The Form 6/FXD control must be programmed with a PT ratio and
a phase angle adjustment; refer to Tables 5 and 6. These are
entered in the System Configuration screen; see Figure 16.
When programming the Form 6/FXD, the PT connection must be
set for a Wye connection. Also, the Phantom Phase feature must
be disabled. Refer to Service Information S280-70-4 for more
information on programming the Form 6/FXD control.
Figure 16.
Form 6/FXD control system configuration screen.
Table 5
Form 6 adjusted PT ratio
Description PT
Ratio
NOVA 15i
2200
:
1
NOVA 27i
2200
:
1
NOVA 38i
2200
:
1
FXD adjusted PT ratio
Description PT
Ratio
NOVA 15i
2001
:
1
NOVA 27i
2001
:
1
NOVA 38i
2001
:
1
Table 6
Form 6/FXD phase angle adjustment
Voltage Sensor
Phase Shift, NOVA 15i
Cable Length
3.05 m
N/A
6.10 m
N/A
9.15 m
N/A
Phase Shift, NOVA 27i
3.05 m
N/A
6.10 m
N/A
9.15 m
N/A
Phase Shift, NOVA 38i
3.05 m
N/A
6.10 m
N/A
9.15 m
N/A