Calculation of the powers generated by the different
components and dissipated inside the assembly
The calculation of the power losses reported in the
configurations shown is carried out by taking into account
the effective powers dissipated by the different
components.
Circuit-breakers
Given the power losses at the rated current (In) shown in
the following tables and the current which actually flows
through the circuit-breakers (Ib), it is possible to calculate
the effective power losses of the equipment:
The values thus obtained must be increasde by a factor
depending on the circuit-breaker type.
This coefficient is used to take into account the connections
which carry current to the circuit-breakers
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