INTELLIGENT MODULE (IM)
The CumulusPowerTM modules are equipped with all hardware (power circuits) and all software (intelligence and monitoring) functions, making them fully independent and capable of safely isolating from the multi-module system whenever an internal fault occurs.
If that should happen, the remaining modules will continue to provide protected power to the critical load without interruption. The integration of hardware and software in each module enables the elimination of all single points of failure which could compromise the power of the critical application.
The core technology of the Cumuluspower product family is based in 3 Intelligent Modules sizes that can be combined to create systems from 10kVA/kW to 3MW
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DISTRIBUTED ACTIVE-REDUNDANT ARCHITECTURE (DARA)
The Distributed Active-Redundant Architecture of the CumulusPowerTM product line is designed to respond to the highest availability requirements, through the implementation of the “democratic” majority load transfer decision-making in the event of a critical failure, and correct management of the load sharing to avoid crosscurrents between modules. The communication between the logic circuits of the modules is accomplished by means of a fault-tolerant dual communication BUS.
In the event of a critical failure, every module will decide, by means of its logic circuit, whether the load should remain on the inverter or be transferred to the bypass. The load transfer will be conducted depending on the decision made by the majority of the modules. In order to avoid crosscurrents between the modules, a master-slave load sharing technique is adopted. The ﬁrst module becomes the master which provides the load value to be shared by the rest of the modules (slaves). If the master fails, the next module will automatically become the leading master.
FLEXIBLE FRAMES DESIGNED FOR HIGH AVAILABILITY
The Cumuluspower™ product family of Intelligent Modules can be combined to create systems up to 3MW. A series of frames are available with both internal and external battery options.