Chapter 7 programming the sa300 basic device setup, Sa300 substation automation unit – SATEC SA300 ezPAC Operation Manual User Manual
Page 63

Chapter 7 Programming the SA300
Basic Device Setup
SA300 Substation Automation Unit
63
The following table lists available device configuration options.
Option Range
Default
Description
Wiring connection mode
(configuration)
See “Wiring
Connections”
below
4LN3
The wiring connection of the device
V1-V3 PT ratio
1
1.0 - 6500.0
1.0
The phase potential transformer ratio
(primary to secondary ratio)
V1-V3 PT secondary
10-690 V
120
The phase potential transformer’s
secondary phase-to-phase voltage
V4 PT ratio
1
1.0 - 6500.0
1.0
The V4 potential transformer ratio (primary
to secondary ratio)
V4 PT secondary
10-690 V
120
The V4 potential transformer’s secondary
voltage
I1-I3 CT primary current
2
1-10000 A
5
The primary rating of the phase current
transformer on standard (20A/10A) inputs
I1-I3 CT secondary
current
2
1, 5 A
5
The secondary rating of the phase current
transformer on standard (20A/10A) inputs
I4 CT primary current
2
1-10000 A
5
The primary rating of the I4 current
transformer on standard (20A/10A) inputs
I4 CT secondary current
2
1, 5 A
5
The secondary rating of the I4 current
transformer on standard (20A/10A) inputs
I1x-I3x CT primary
current
2
1-10000 A
5
The primary rating of the phase current
transformer on extended (150A) inputs
I1x-I3x CT secondary
current
2
1, 5 A
5
The secondary rating of the phase current
transformer on extended (150A) inputs
I4x CT primary current
2
1-10000 A
5
The primary rating of the I4x current
transformer on extended (150A) inputs
I4x CT secondary current
2
1, 5 A
5
The secondary rating of the I4x current
transformer on extended (150A) inputs
VDC nominal voltage
10-300 V
125
The nominal VDC voltage