DC Solutions - Thales Group

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FIELD-PROVEN RELIABILITY
Fitted on the engine pad, the Brushless DC generator provides aircraft
electrical power at rated voltage (28 Vdc).
„„ Time between overhaul up to 4,000 FH (brushless)
„„ Low Direct Maintenance Cost
„„ High field-proven reliability
„„ High dispatchability solutions
„„ Adaptable mounting interface
ELECTRICAL SOLUTIONS
DC Solutions
Electrical Power Generation
E L E C T R I C A L S O LU T I O N S
DC SOLUTIONS
Thales designs Direct Current Generators for the Aerospace
industry. Boosting the latest technological advances, these
generators offer continuous improvement of performances.
Thales high-reliability brushless design allows optimized scheduled maintenance, decreasing the Direct Maintenance Costs
(DMC).
Thales DC Generator is a 3-stage brushless machine. The
third stage is the electrical power source. It is energized by
a 6-pole rotor, delivering rectified DC voltage (via a rectifier
bridge) to the aircraft electrical network.
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Power rating up to 15 kW
Nominal rotation speed up to 13,700 RPM
Self-cooled
Clockwise or counter clockwise rotation
Via an ARINC 429 line, the DGCU sends all electrical data
to the EICAS (Engine Indicating Crew-Alerting System) and
to the maintenance system.
Technical data
Rated Power
12 / 15 kW
Current
400 / 500 A
Voltage
28 Vdc
Speed range
5,500 / 13,200 RPM
Altitude
10,700 / 13,700 m
Max overload
5 seconds
200 %
Cooling
Air
Weight
12 - 13, 4 kg
Electrical standard
MIL-STD-740
Environmental
standard
DO160
Generator Control unit (GCU) and Digital Generator Control
Unit (DGCU) match the generator’s needs.
Under normal conditions the GCU closes its excitation relay
and the line contractor, so the DC power supplies the DC
bus bar.
The Digital Generator Control Unit (DGCU) maintains a
constant generation output voltage and provides equal
load distribution in a parallel generator system.
MAJOR REFERENCES
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Challenger 300/350 Family
Falcon 2000
Gulfstream G280
HU25 US Coast Guard
Learjet 35/55
Additionally, it provides electrical network protections, starter contractor and generator line contractor control and
Built-In-Test functions.
Thales Digital Generator Control Unit
Thales Generator Control Unit
Thales Avionics - For more detailed information, please contact us at [email protected]
08-14 - Thales has a policy of continuous development and improvement and consequently the equipment may vary from the description and specification in this document. This document may not be considered as a contract specification.
Graphics do not indicate use or endorsement of the featured equipment or service. Copyright © Thales
Electrical Power Generation
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