Mecc Alte ECP series Betriebs- Und Wartungsanleitung Seite 14

ECO - ECP MANUAL
ENGLISH
ELECTRICAL CONNECTIONS
IMPORTANT
In normal functioning, only the green led has to be lit.
All these indicators can be remotely controlled and adjusted, for any type of
use, by utilizing the SPD96/A accessory which is available on request.
INTERVENTION OF PROTECTION DEVICES CAUSES.
Underspeed protection instantaneous intervention:
1 - speed reduced by 10% of nominal RPM.
Delayed intervention of overload protection:
2 - overload by 20% of nominal rating.
3 - power factor (cos φ) lower than the nominal-one.
4 - ambient temperature above 50°C.
Intervention of both protections:
5 - combination of factor 1 with factors 2, 3, 4.
In case of intervention the output voltage will drop down to a value which
will depend on the fault.
The voltage will return automatically to its nominal value as soon as the
fault is removed.
For further details on regulators, please see the specific manual.
OPTIONALS :
All ECO-ECP series alternators can function with manual regulation,
without assistance from any external source, by using a rheostat (tab. 10-
11 pag. 36).
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ECO-ECP iMANUAL December 2013 Rev. 03