Page 144 - SACE Tmax XT - Catalogue

6/10 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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Load Shedding

Space saving - The Load Shedding algorithm is self-tuned
• No other programmable logic controllers (PLCs) with specific power unbalance identification
are needed as the Tmax XT has embedded intelli- and dynamically chooses the controllable
gence for the load shedding logics, taking ad- loads to be shed, reducing constraints for
vantage of the current and voltage sensors for consultants during plant design.
electrical parameter measurements. - The ATS unit only manages two sources, with-
• In addition, static converters for low voltage out interlock, logic programming or wiring
photovoltaic production typically have anti- connections for the third circuit-breaker with
islanding protection: this implies another power less time required for installation.
deficit to be added to the main grid contribu-
tion during the microgrid islanding. The Tmax Ease of use
XT estimates solar production without addi- Load shedding logic is generally set using top en-
tional sensors. gineering skills and customization efforts with
• The Load Shedding algorithm is suitable with devices as programmable logic controllers.
ATS architectures to distinguish priority and The Tmax XT guarantees easy installation thanks
non-priority loads. to predefined templates and the user-friendly
Where feasible, a BusTie switching device is no graphic interface in the software commissioning
longer required and this means: tool.
- Significant space and material savings of up
to 50% in the power distribution switchgear
for panel builders.

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Typical
Load Shedding
application

Gen PV
Set Plant

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LINE 1 OFFICES LINE 2 WAREHOUSE POWER
FACTOR
CORRECTION

M M M
3 3 3
ASYNCHRONOUS MOTOR LIGHTING SOCKET LIGHTING HVAC