Pilot's Operating Handbook
Section 7
Description
Edition 1 - January 15, 2018
Rev. 0
Page 7.8.1
7.8 - Electrical system
- see figures 7.8.1, 7.8.2 and 7.8.5
The airplane is fitted with a 28-volt direct-current electrical system.
Electrical supply is obtained from various power supplies :
- a starter generator
- a stand-by generator
- a battery
- a ground power unit, via a plug, located on L.H. side.
Connection relays, main bus bar, generator regulation and protection systems and
control logic systems are grouped in electrical power system box located in front
baggage compartment upper section.
Electrical system indicating is displayed on the MFD and monitoring is ensured by
CAS messages.
Onground,whenthe crash lever is positionedintheUP position(SOURCE selector in
the OFF position), the battery supplies the electrical power system through the BATT
BUS. A Power Up Built In Test (P-BIT) of the EPS internal functions is performed to
verify the operating status. In case of failure detection, a white message EPS
SERVICE REQUIRED appears in the message window on the PFD.
Starter generator
The starter generator is the main electrical power source. It only performs its
generator function when starting sequence is completed.
Generator connection with main bus bar is controlled through GENERATOR selector
set to MAIN position. It will be effective when connection conditions are met.
Generator connection is indicated by MAIN GEN disappearance.
● NOTE ●
Starter generator will not supply airplane if source switch is on GPU.
On ground, generator load should be maintained below 200 AMP.
●
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