Page - 30/95 AEMZP0BA - EPS-AC0 - User Manual
4) For the optimum inverter performance, the cables to the battery should be run
side by side and be as short as possible.
5) They must be tightened on controller power posts with a Torque of 2.5-3 Nm.
8.4 Fuses
1) Use a 6.3-10 A fuse for protection of the auxiliary circuits.
2) Use a 32 A fuse for protection of the power stage.
8.5 Contactors
According to EN1175 5.9.6, a contactor to cut the line to the eps-ac0 is not strictly
required. In fact in an AC system, the steer is automatically de-energized when a
power failure occurs. In a DC system with permanent magnet motor instead, a short
circuit in a power device, gets the steering motor rotates at maximum speed (and so
it is necessary to cut off the line from the controller).
U A power contactor is still useful to remove the battery from controller when a
power failure occurs. This is useful in order to limit the time in which a
damaged controller remains battery connected. When a power contactor is
used, the contactor coil shall be connected to a power supply through the
eps-ac0 safety contact.
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