SOFTWARE FUNCT IONS
4/7
Space saving • No other Programmable Logic Controllers (PLC) are needed as Emax 2 has embedded the intelligence to realize the load shedding logics, taking advan- tage of the current and voltage sensors for electri- cal parameter measurements. • Static converters for low voltage photo voltaic pro- duction typically include anti-islanding protections which adds the potential for another power deficit to be added to the main grid contribution during the Microgrid islanding. Emax 2 is the first circuit breaker that estimates solar production without additional sensors. • Load Shedding is suitable with ATS architectures like Main-BusTie-Gen used to distinguish priority/ non-priority loads. • Where feasible, BusTie switching device is no lon- ger required resulting in: - Significant space and material saving up to 50% in the power distribution switchgear for panel builders. - Load Shedding is self-tuned with the specific power imbalance identification and dynamically choses the controllable loads to be shed, reducing constraints for consultants during plant design.
- ATS unit manages only two sources, without inter- lock, logic programming and wiring connections for the third circuitbreaker with less time required for installation. Ease of use • Load shedding logics are generally set with high en- gineering skills and customization effort with de- vices as programmable logic controllers. • Emax 2 provides easy installation due to predefined templates and the user-friendly graphic interface in the SW commissioning tool. For further information, please refer to the White Paper “Emax 2, all-in-one innovation – Load Shed- ding” (1SDC007119G0201).
— Typical load shedding application
Gen Set
PV Plant
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LINE 1
OFFICIES
LINE 2
WAREHOUSE
POWER FACTOR CONNECTION
M
M
M
3
3
3
ASYNCHRONOUS MOTOR LIGHTING
SOCKET
LIGHTING HVAC
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