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UF94200
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DC GENERATION - DC NORMAL AND ESS GENERATION SWITCHING ELECTRICAL CIRCUIT - NORMAL
CONFIGURATION
TMUELBN01-P01 LEVEL 3
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DC GENERATION - DC NORMAL AND ESS GENERATION SWITCHING ELECTRICAL CIRCUIT
TR1 OR TR2 LOSS
This configuration shows a TR1 loss.
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DC GENERATION - DC NORMAL AND ESS GENERATION SWITCHING ELECTRICAL CIRCUIT - TR1 OR TR2
LOSS
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DC GENERATION - NORMAL AND ESS GENERATION SWITCHING ELECTRICAL CIRCUIT
DC BUS TIE FAILURE
In the event of a DC bus tie contactor failure (4PC
or 1PC1) the DC ESS bus supply is recovered from the
ESS TR. The DC BUS TIE class 2 failure message is
displayed on the ECAM status page.
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DC GENERATION - DC NORMAL AND ESS GENERATION SWITCHING ELECTRICAL CIRCUIT - DC BUS TIE
FAILURE
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24 - ELECTRICAL POWER
24-32-00 DC GENERATION - TRANSFORMER
RECTIFIER D/O
CONTENTS:
General
TR Protection
TR1 Normal Configuration
TR1 Abnormal Configuration
TR1 Reset Configuration
TR2
Essential TR
Self Examination
TMUELBL01 LEVEL 3
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DC GENERATION - TRANSFORMER RECTIFIER D/O
GENERAL
Three identical Tranformer Rectifiers (TR) are fitted
on the aircraft. They operate as soon as they are
supplied. The Transformer Rectifiers (TR) are supplied
with three phase 115 V/400 Hz.
Each TR controls its contactor via an internal logic.
TR PROTECTION
Each Transformer Rectifier control logic consists of
an overheat protection and a minimum current flow
detection to isolate the distribution circuit from the
Transformer Rectifier.
TR1 NORMAL CONFIGURATION
As soon as AC Bus1 is supplied, the Transformer
Rectifier output is delivered to the DC Bus through a
control contactor which is energized by the TR
protection module.
The protection module is supplied by DC Bus 2 (204PP).
The Transformer Rectifier current, voltage as well as
the TR contactor position indications are sent to the
ECAM system via SDAC 1 and 2.
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DC GENERATION - TRANSFORMER RECTIFIER D/O
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DC GENERATION - TRANSFORMER RECTIFIER D/O
TR1 ABNORMAL CONFIGURATION
In the event of a TR fault detection, the DC bus 1
control contactor is no longer energized.
The fault signals are sent to the ECAM system, the
CFDIU and to the DC normal generation switching system
(1PC1-1PC2)
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