Technical data
and start-up
NLG5 charger
44
6.14
Power Limitations
In order to permanently protect the NLG5 from overload damages, the charging power is automatically limited
through different power limitations. Here checks are constantly made to see whether all operational values are
within the permitted range. The charging power is thereby permanently reduced to the level which is permitted
under consideration of the current power limitations. This way, depending on the mode of operation (mode A or C),
the charging power which should be supplied by the module is produced.
The power limiters
Power Indicator
and
Control Pilot
are adjustable. All the others are permanently programmed in
the device. The following graph gives an overview of the individual power limiters.
6.14.1 Min. Input Resistance
The charger acts like an ohmic load on the grid. On the surface this means a minimum input resistance of
13 ohms. At a mains voltage of </= 208 V, the input current is reduced to V/13. E.g. this means an input current of
11.5 A (150 V / 13 ohms = 11.5 A) at a mains voltage of 150 V.
