BOMBARDIER CHALLENGER 604 Pilot Training Manual
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BOMBARDIER CHALLENGER 604 Pilot Training Manual

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P I L O T T R A I N I N G G U I D E
Introduction ......................................................................................................................... 7-1
Alternating Current (AC) System ........................................................................................ 7-3
Description ....................................................................................................................7-3
Components and Operation .......................................................................................... 7-4
Integrated Drive Generators (IDGs) ........................................................................ 7-4
APU Generator........................................................................................................ 7-6
External AC Electrical Power ........................................................................................ 7-8
Description ....................................................................................................................7-8
Operation ...................................................................................................................... 7-8
AC Electrical Power Distribution ....................................................................................... 7-10
Description .................................................................................................................. 7-10
Components and Operation ........................................................................................ 7-11
AC BUS 1 and AC BUS 2 ..................................................................................... 7-11
AC ESS (Essential) Bus ........................................................................................ 7-13
AC Utility Buses .................................................................................................... 7-14
Air-Driven Generator (ADG).............................................................................................. 7-15
Description .................................................................................................................. 7-15
Components and Operation ........................................................................................ 7-16
Air-Driven Generator ............................................................................................. 7-16
ADG Auto Deploy Control Unit.............................................................................. 7-17
ADG Manual Deploy Handle ................................................................................. 7-18
DC Electrical Power System ............................................................................................. 7-20
Description .................................................................................................................. 7-20
Components and Operation ........................................................................................ 7-22
Transformer-Rectifier Units (TRUs) ...................................................................... 7-22
TRU Power Distribution System............................................................................ 7-22
Battery Power Distribution System........................................................................ 7-24
External DC Electrical Power ................................................................................ 7-25
Circuit Breakers........................................................................................................... 7-27
Description ............................................................................................................ 7-27
Controls and Indicators ..................................................................................................... 7-30
AC Electrical Power .................................................................................................... 7-30
Air-Driven Generator (ADG)........................................................................................ 7-31
DC Electrical Power .................................................................................................... 7-32
Circuit Breaker Panels ................................................................................................ 7-33
EICAS Synoptic Pages ............................................................................................... 7-37
AC Synoptic Page ................................................................................................. 7-37
DC Synoptic Page................................................................................................. 7-44
EICAS Messages ........................................................................................................ 7-50
May 03

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ELECTRICAL

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Summary of Contents for BOMBARDIER CHALLENGER 604

  • Page 1: Table Of Contents

    ELECTRICAL P I L O T T R A I N I N G G U I D E Table of Contents Introduction ......................... 7-1 Alternating Current (AC) System ..................7-3 Description ........................7-3 Components and Operation ..................7-4 Integrated Drive Generators (IDGs) ................ 7-4 APU Generator......................
  • Page 2 ELECTRICAL P I L O T T R A I N I N G G U I D E Page Intentionally Left Blank For Training Purposes Only 7-ii May 03...
  • Page 3 ELECTRICAL P I L O T T R A I N I N G G U I D E List of Figures Graphic Title Figure AC Electrical Power Sources ....................7-1 DC Electrical Power Sources ....................7-2 AC Electrical System ......................7-3 GEN 1 and GEN 2 Power ....................
  • Page 4 ELECTRICAL P I L O T T R A I N I N G G U I D E AC Synoptic Page Color Coding - Air-Driven Generator ..........7-35 DC Synoptic Page - TRU Power Distribution System (1 of 2) .......... 7-36 DC Synoptic Page - TRU Power Distribution System (2 of 2) ..........

  • Page 5: Introduction

    P I L O T T R A I N I N G G U I D E CHAPTER 7: ELECTRICAL Introduction The Challenger 604 primarily uses 115-volt AC power and also 28-volt DC electrical power. Engine-driven integrated drive generators (IDGs) supply the primary source of AC electrical power.

  • Page 6: Ac Electrical Power Sources

    ELECTRICAL P I L O T T R A I N I N G G U I D E Generator Generator 1 Generator 2 External Power Air-Driven Generator (ADG) AC Electrical Power Sources Figure 7-1 APU Battery Charger External Power Main Battery Charger APU Battery...

  • Page 7: Alternating Current (Ac) System

    ELECTRICAL P I L O T T R A I N I N G G U I D E Alternating Current (AC) System Description Three AC generators provide AC power for the aircraft electrical systems. Two engine-driven generators power all AC buses during normal operations. An APU generator provides a source of AC electrical power when the aircraft is on the ground with the engines off, and during flight if both engine-driven generators become inoperative.

  • Page 8: Components And Operation

    ELECTRICAL P I L O T T R A I N I N G G U I D E Components and Operation Integrated Drive Generators (IDGs) Two engine-driven IDGs supply 115-volt AC, 400-Hz, three-phase electrical power to the AC buses. The IDG consists of two subcomponents, a constant speed drive and an electrical generator.

  • Page 9: Gen 1 And Gen 2 Power

    ELECTRICAL P I L O T T R A I N I N G G U I D E ELECTRICAL POWER BATT MASTER EXT. POWER AVAIL IN USE AC POWER GEN 1 APU GEN GEN 2 OFF/ OFF/ OFF/ RESET RESET RESET FAIL...

  • Page 10: Apu Generator

    ELECTRICAL P I L O T T R A I N I N G G U I D E APU Generator The APU generator supplies 115-volt AC, 400-Hz, three-phase electrical power to the AC buses during ground operations with the engines off. The APU generator may also be used in flight as a backup power source to the AC buses following a failure of both engine generators.

  • Page 11: Apu Power

    ELECTRICAL P I L O T T R A I N I N G G U I D E ELECTRICAL POWER BATT MASTER EXT. POWER AVAIL IN USE AC POWER GEN 1 APU GEN GEN 2 OFF/ OFF/ OFF/ RESET RESET RESET FAIL...

  • Page 12: External Ac Electrical Power

    ELECTRICAL P I L O T T R A I N I N G G U I D E External AC Electrical Power Description The aircraft is capable of being powered by an external AC power source when both engines and APU are off. External AC electrical is connected at a receptacle located on the forward right side of the fuselage.

  • Page 13: External Ac Electrical Power

    ELECTRICAL P I L O T T R A I N I N G G U I D E AC ELECTRICAL ELECTRICAL POWER BATT MASTER EXT. POWER AVAIL IN USE UTIL BUS 1 UTIL BUS 2 AC POWER GEN 1 APU GEN GEN 2 BUS 1...

  • Page 14: Ac Electrical Power Distribution

    ELECTRICAL P I L O T T R A I N I N G G U I D E AC Electrical Power Distribution Description 115-volt AC electrical power from the aircraft generators and APU generator is distributed to five AC buses through circuit breaker panels. Monitoring of system status is done using the EICAS AC Electrical Synoptic page.

  • Page 15: Components And Operation

    ELECTRICAL P I L O T T R A I N I N G G U I D E Components and Operation AC BUS 1 and AC BUS 2 AC BUS 1 and AC BUS 2 are the main AC buses of the aircraft, and receive power from any of the three generators or from external AC power.

  • Page 16: Ac Bus Automatic Transfer

    ELECTRICAL P I L O T T R A I N I N G G U I D E AC ELECTRICAL ELECTRICAL POWER BATT MASTER EXT. POWER AVAIL IN USE UTIL BUS 1 UTIL BUS 2 AC POWER BUS 1 BUS 2 GEN 1 APU GEN...

  • Page 17: Ac Ess (Essential) Bus

    ELECTRICAL P I L O T T R A I N I N G G U I D E AC ESS (Essential) Bus The AC ESS BUS supplies power to the equipment essential for flight. It is normally powered by AC BUS 1, but may also be powered by AC BUS 2 or the ADG BUS. The AC ESS BUS supplies power to ESS TRU 1, which provides DC power to the DC ESS BUS and the BATT BUS.

  • Page 18: Ac Utility Buses

    ELECTRICAL P I L O T T R A I N I N G G U I D E AC Utility Buses AC UTILITY BUS 1 and 2 receive power from AC BUS 1 and 2 respectively. The AC utility buses supply AC power to nonessential cabin equipment. Utility Bus Shedding During single-generator operation in flight, AC UTILITY BUS 1 and 2 are automatically load shed to reduce the electrical load on the remaining generator.

  • Page 19: Air-Driven Generator (Adg)

    ELECTRICAL P I L O T T R A I N I N G G U I D E Air-Driven Generator (ADG) Description The ADG provides 115-volt, 400-Hz, 15-kVA power to the AC ESS BUS and 3B hydraulic pump, in the event of a complete loss of AC power in flight. The ADG is located in the forward right fuselage beside the nose gear and is deployed automatically or manually.

  • Page 20: Components And Operation

    ELECTRICAL P I L O T T R A I N I N G G U I D E Components and Operation Air-Driven Generator The ADG consists of an AC generator mounted on a pivoted support leg and a variable-pitch two-bladed propeller that turns in the airstream. There are two versions of the ADG.

  • Page 21: Adg Auto Deploy Control Unit

    ELECTRICAL P I L O T T R A I N I N G G U I D E ADG AUTO DEPLOY CONTROL Unit Located on the lower center pedestal, the ADG AUTO DEPLOY CONTROL Unit controls the automatic deployment of the ADG. Automatic deployment of the ADG occurs when: •...

  • Page 22: Adg Manual Deploy Handle

    ELECTRICAL P I L O T T R A I N I N G G U I D E PWR TXFR OVERRIDE With the ADG deployed, it may be possible to restore normal AC electrical power by resetting an engine-driven generator or by using the APU generator. If AC electrical power is restored, the PWR TXFR OVERRIDE switch (see Figure 7-13) should be selected to reset the three transfer contactors and regain normal AC distribution.

  • Page 23: Adg Operation

    ELECTRICAL P I L O T T R A I N I N G G U I D E Manual deployment of the ADG handle is also required for landing when the ADG is the only source of AC electrical power. This ensures that the DC ESS BUS remains powered by the BATT BUS throughout the landing rollout, when the ADG is no longer capable of generating AC power.

  • Page 24: Dc Electrical Power System

    ELECTRICAL P I L O T T R A I N I N G G U I D E DC Electrical Power System Description Four transformer-rectifier units (TRUs), two NiCad batteries and an external DC power receptacle supply direct current (DC) power to the DC buses. The TRUs carry the majority of the DC electrical loads and the batteries provide emergency power in- flight and allow the APU to be started on the ground.

  • Page 25: Eicas Dc Electrical Synoptic Page

    ELECTRICAL P I L O T T R A I N I N G G U I D E Monitoring of system status is done using the EICAS DC Electrical Synoptic page. The aircraft DC bus system consists of the following nine buses: •...

  • Page 26: Components And Operation

    ELECTRICAL P I L O T T R A I N I N G G U I D E Components and Operation Transformer-Rectifier Units (TRUs) The normal sources of 28-volt DC electrical power for the DC system are the four TRUs.

  • Page 27: Tru 1 Failed And Main Bus Tie Closed

    ELECTRICAL P I L O T T R A I N I N G G U I D E DC ELECTRICAL ELECTRICAL POWER BATT MASTER EXT. POWER AC BUS 1 AC BUS 2 AC ESS BUS AVAIL TRU 1 TRU 2 IN USE TRU 2 TRU 1...

  • Page 28: Battery Power Distribution System

    ELECTRICAL P I L O T T R A I N I N G G U I D E DC UTIL BUS 1 and DC UTIL BUS 2 The DC UTIL buses supply power to nonessential cabin equipment. TRU 1 and TRU 2 power DC UTILITY BUS 1 and 2 respectively.

  • Page 29: External Dc Electrical Power

    ELECTRICAL P I L O T T R A I N I N G G U I D E MAIN and APU BATT DIR BUSES These DC buses are continuously powered from the associated battery, regardless of the BATT MASTER switch position. The main battery is connected to the MAIN BATT DIR BUS and the APU battery is connected to the APU BATT DIR BUS.

  • Page 30: External Dc Power Connected

    ELECTRICAL P I L O T T R A I N I N G G U I D E When connected, external DC ground power automatically supplies the APU BATT DIR BUS through the External DC contactor, and the BATT BUS when the BATT MASTER switch is selected ON.

  • Page 31: Circuit Breakers

    ELECTRICAL P I L O T T R A I N I N G G U I D E Circuit Breakers Description Electrical power distribution is accomplished through five circuit breaker panels. Four circuit breaker panels are installed in the flight deck and the fifth panel is in the aft equipment bay.

  • Page 32: Circuit Breaker Panels (Cbps)

    ELECTRICAL P I L O T T R A I N I N G G U I D E AC ESS DC ESS CBP-3 CBP-4 CBP-2 CBP-1 AC BUS 2 AC BUS 1 DC BUS 2 DC BUS 1 BATT BUS BATT BUS CBP-1 EMERGENCY...

  • Page 33: Circuit Breaker Grid System

    ELECTRICAL P I L O T T R A I N I N G G U I D E Circuit Breaker Grid System A circuit breaker can be located, when called for in a procedure, by using the grid reference on the circuit breaker panel. For example, the “VOLTS &...

  • Page 34: Controls And Indicators

    ELECTRICAL P I L O T T R A I N I N G G U I D E Controls and Indicators The overhead ELECTRICAL POWER Panel and the Air-Driven Generator (ADG) panel provide the system controls. The EICAS (AC Electrical and DC Electrical) Synoptic pages provide a pictorial representation of system status.

  • Page 35: Air-Driven Generator (Adg)

    ELECTRICAL P I L O T T R A I N I N G G U I D E Air-Driven Generator (ADG) ADG LAMP-UNIT Test Switch LAMP – Tests the ADG TEST LAMP. UNIT: Tests continuity of the ADG uplock release circuit and of the Emergency AC, DC and, ADG Manual Deploy Handle Hydraulic Pump 3B Transfer Contactors.

  • Page 36: Dc Electrical Power

    ELECTRICAL P I L O T T R A I N I N G G U I D E DC Electrical Power BATT MASTER Switch – Connects the batteries (MAIN BATT DIR BUS and the APU BATT DIR BUS) to the BATT BUS. –...

  • Page 37: Circuit Breaker Panels

    ELECTRICAL P I L O T T R A I N I N G G U I D E Circuit Breaker Panels POWER MUST BE OFF BEFORE OPENING PANEL CBP-1 115 VAC BUS 1 HYD PUMP HEATERS CKPT WSHLD 115 VAC BUS 1 FLAP 115VAC MOTOR...
  • Page 38 ELECTRICAL P I L O T T R A I N I N G G U I D E POWER MUST BE OFF BEFORE OPENING PANEL CBP-2 115 VAC BUS 2 HYD PUMP HEATERS SPARE WSHLD WIND PITOT STATIC 115 VAC BUS 2 FLAP 115VAC MOTOR...
  • Page 39 ELECTRICAL P I L O T T R A I N I N G G U I D E CBP-3 115VAC ESS BUS 115VAC ADG BUS ESS HYD VOLTS STAB CH 2 PUMP & FREQ HSTA FEED SUPPLY 115VAC ESS BUS B/LEAK HEATERS INTEG LTS...
  • Page 40 ELECTRICAL P I L O T T R A I N I N G G U I D E CBP-5 ESS/ EMERG BATT FEED MAIN BATT BATT CONT CONT BYPASS POWER FSCU SOVS FUEL DEFUEL SOVS WATER PANEL SYST. SERV BOARD AUTO SERV...

  • Page 41: Eicas Synoptic Pages

    ELECTRICAL P I L O T T R A I N I N G G U I D E EICAS Synoptic Pages AC Synoptic Page AC ELECTRICAL Generator 1 Output Generator 2 Output UTIL BUS 1 UTIL BUS 2 Flow Line (Upper) Flow Line (Upper) BUS 1 BUS 2...

  • Page 42: Ac Synoptic Page Color Coding - Integrated Drive Generators (2 Of 2)

    ELECTRICAL P I L O T T R A I N I N G G U I D E Description Symbol Condition Generator is loaded Generator is overloaded Generator 1, 2 Load Readout Generator is not on-line Invalid data Voltage between 100 and 125 VAC Generator 1, 2 Voltage less than 100 VAC or more than 125 VAC Voltage Readout...

  • Page 43: Ac Synoptic Page Color Coding - Apu Generator (1 Of 2)

    ELECTRICAL P I L O T T R A I N I N G G U I D E AC ELECTRICAL UTIL BUS 1 UTIL BUS 2 APU Generator Output Flow Lines (Upper) BUS 1 BUS 2 APU Generator ESS BUS Load Readout APU Generator Voltage Readout...

  • Page 44: Ac Synoptic Page Color Coding - Apu Generator (2 Of 2)

    ELECTRICAL P I L O T T R A I N I N G G U I D E Description Symbol Condition Generator is loaded Generator is overloaded APU Generator Load Readout Generator is not on-line Invalid data Voltage between 100 and 125 VAC APU Generator Voltage less than 100 VAC or more than 125 VAC Voltage Readout...

  • Page 45: Ac Synoptic Page Color Coding - Ac Electrical Power Distribution

    ELECTRICAL P I L O T T R A I N I N G G U I D E AC ELECTRICAL UTIL BUS 1 UTIL BUS 2 UTIL BUS 2 UTIL BUS 2 SHED BUS 1 BUS 2 BUS 2 BUS 2 ESS BUS AUTO...

  • Page 46: Ac Synoptic Page Color Coding - External Ac Electrical Power

    ELECTRICAL P I L O T T R A I N I N G G U I D E AC ELECTRICAL UTIL BUS 1 UTIL BUS 2 External AC External AC Input BUS 1 BUS 2 Voltage Readout Outline ESS BUS External AC Frequency Readout Description...

  • Page 47: Ac Synoptic Page Color Coding - Air-Driven Generator

    ELECTRICAL P I L O T T R A I N I N G G U I D E ADG Voltage AC ELECTRICAL ADG Input Outline Readout UTIL BUS 1 UTIL BUS 2 ADG Frequency Readout BUS 1 BUS 2 ESS BUS Description Symbol...

  • Page 48: Dc Synoptic Page

    ELECTRICAL P I L O T T R A I N I N G G U I D E DC Synoptic Page DC ELECTRICAL AC BUS to TRU Flow Lines AC BUS 1 AC BUS 2 AC ESS BUS TRU Voltage TRU 1 TRU 2 Readouts...

  • Page 49: Dc Synoptic Page - Tru Power Distribution System (2 Of 2)

    ELECTRICAL P I L O T T R A I N I N G G U I D E Description Symbol Condition Voltage is between 22 and 29 VDC TRU Voltage Voltage is less than 22 VDC or more than 29 VDC Readouts Invalid data Load is between 3 and 99 amps...

  • Page 50: Dc Synoptic Page - Battery Power Distribution System (1 Of 2)

    ELECTRICAL P I L O T T R A I N I N G G U I D E DC ELECTRICAL AC BUS 1 AC BUS 2 AC ESS BUS TRU 1 TRU 2 TRU 2 TRU 1 MAIN MAIN BATT BATT BATT...

  • Page 51: Dc Synoptic Page - Battery Power Distribution System (2 Of 2)

    ELECTRICAL P I L O T T R A I N I N G G U I D E Description Symbol Condition EXT DC voltage is equal or greater than 18 VDC EXT DC Outline EXT DC voltage is less than 18 VDC Voltage is between 18 and 32 VDC MAIN and APU Battery Voltage is less than 18 VDC or greater than 32 VDC...

  • Page 52: Dc Synoptic Page - Dc Electrical Power Distribution (1 Of 2)

    ELECTRICAL P I L O T T R A I N I N G G U I D E DC ELECTRICAL AC BUS 1 AC BUS 2 AC ESS BUS TRU 1 TRU 2 TRU 2 TRU 1 Bus Input Flow Lines BUS 1 ESS BUS...

  • Page 53: Dc Synoptic Page - Dc Electrical Power Distribution (2 Of 2)

    ELECTRICAL P I L O T T R A I N I N G G U I D E Description Symbol Condition ESS BUS Bus powered BATT BUS ESS BUS and ESS BUS BATT BUS Bus not powered BATT BUS Bus Bar Outline ESS BUS Invalid data...

  • Page 54: Eicas Messages

    ELECTRICAL P I L O T T R A I N I N G G U I D E EICAS Messages AURAL WARNING MESSAGE MEANING (IF ANY) ADG is supplying the AC essential bus, and no power is EMER POWER ONLY TRIPLE ATTENSON available from AC BUS 1 or 2.

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