Trimod HE
User manual
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3. Technological description
3.1 Trimod HE technology
LEGRAND® has developed an innovative project that is the only one of its kind by producing Trimod HE, the uninterrupted
power supply able to adapt at any moment to changed demands of the protected loads.
The concepts underlying the Trimod HE project are modularity, expandability and redundancy in such a way as to offer
maximum reliability and to be the guarantee of considerable savings.
Trimod HE is a modular uninterrupted power supply whose base module is the single phase power type and it can be
programmed to obtain the desired input/output configuration. It is thus possible to manage three phase and single
phase voltages on input and output to have a choice of the the traditional three phase/three phase, three phase/single
phase, single phase/three phase and single phase/single phase. At the same time it is possible to obtain simultaneously
single phase and three phase lines on output or two or more single phase lines even with different power.
For every configuration it is possible to have redundancy that is both complete and partial. For example, one normal three
phase (or redundant) line can coexist with a redundant single phase (or normal) line on output.
The philosophy underlying modularity has also been applied to the batteries that have been supplied in individual
drawers that can be extracted and make installation and maintenance easier.
The UPS is controlled by one to four command boards depending on the model.
Both the command boards (CM) and the power modules (PM) are identified by a unique address inside the system, as
shown below:
Trimod HE 10 Trimod HE 20
CM 0 PM 0 PM 1 PM 2 CM 0 PM 0 PM 1 PM 2
PM 3 PM 4 PM 5
Trimod HE 15-20
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