InteliATS
NT
PWR, SW version 1.0, ©ComAp – March 2009
26
IA-NT- PWR-1.0-Reference Guide R1.pdf
Single phase applications
There is not a separate archive file for single-phase applications. Use standard ail archives.
Recommended wirings
Generator (and mains) single-phase voltage has to be connected to all three-voltage terminals L1, L2
and L3. Generator current has to be connected to L1l and COM terminals only.
Voltage measurement
G
GENERATOR
MAINS
L3
L2
L1
N
L
N
L3
L2
L1
N
N
OTE
:
Switchboard lighting strikes protection according standard regulation is expected!!!
Current measurement
To ensure proper function
Use cables of 2,5mm
2
Use transformers to 5A
Connect CT according to following drawings. Terminals L2l and L3l are opened.
Set points adjustment
To run a single-phase application, the following set points have to be set:
Gener Protect
:
Amps Unbal Sd
to 200 %
Gener Protect
:
Amps Unbal Del
to 60,0 s