InteliLite Global Guide
30
b) Gen-Set
Note: The current measurement protections are active only when the Gen-set is running.
If the CT Location is set to Load the Short Circuit BOC (page 243) protection is enabled only when GCB is
closed.
Current measurement wiring
The number of CT’s is automatically selected based on selected value of setpoint Connection type (page 193)
[3Ph4Wire / High Leg D / 3Ph3Wire / Split Ph / Mono Ph].
Generator currents and power measurement is suppressed if current level is bellow <1 % of CT range.
To ensure proper function:
Use cables of 2.5 mm
2
Use transformers to 5 A
Connect CT according to following drawings:
3 phase application:
Image 4.3 3 phase application
IMPORTANT: It is necessary to ensure that potential difference between current COM terminal and
power supply “-” terminal is maximally ± 2 V. There are 2 options how to ensure this:
"Red" option - properly ground both terminals
"Blue" option - interconnect these two terminals
Always apply only one option. Never realize both options on one installation.
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