Podcast
Questions and Answers
What is the purpose of the isolation of sub systems in fault diagnostics?
What is the purpose of the isolation of sub systems in fault diagnostics?
- To completely shut down the machine
- To identify the root cause of a fault (correct)
- To display all available status messages
- To limit the fault messages to critical systems
Which information is contained in a fault message code?
Which information is contained in a fault message code?
- A description of the system layout
- The status of all subsystems
- The location of the fault (correct)
- The sequence of operational events
What does the display of subsystem status indicate?
What does the display of subsystem status indicate?
- The current operational state of each subsystem (correct)
- The performance metrics of each subsystem
- The operational efficiency of the entire system
- The historical performance of the system
Which type of message is crucial for understanding the status of a machine during diagnosis?
Which type of message is crucial for understanding the status of a machine during diagnosis?
What is indicated by a high-priority fault?
What is indicated by a high-priority fault?
What system is used in the 3-phase locomotives for precise control over tractive effort and speed?
What system is used in the 3-phase locomotives for precise control over tractive effort and speed?
Which feature helps to mitigate the effects of weight transfer in the locomotives?
Which feature helps to mitigate the effects of weight transfer in the locomotives?
What is the function of the anti spin protection feature?
What is the function of the anti spin protection feature?
What does the on-board fault diagnostics system help with?
What does the on-board fault diagnostics system help with?
What role does the static auxiliary converter play in the 3-phase locomotives?
What role does the static auxiliary converter play in the 3-phase locomotives?
How many convertor secondary windings are present in the electrical system?
How many convertor secondary windings are present in the electrical system?
What function do the traction converters serve during braking?
What function do the traction converters serve during braking?
Which of the following is NOT involved in the roof layout of the locomotive?
Which of the following is NOT involved in the roof layout of the locomotive?
What is the purpose of the harmonic filter secondary winding?
What is the purpose of the harmonic filter secondary winding?
Which component is responsible for controlling the speed and torque of the traction motors?
Which component is responsible for controlling the speed and torque of the traction motors?
What happens to the traction converters when the locomotive operates in traction mode?
What happens to the traction converters when the locomotive operates in traction mode?
Which connections are NOT part of the outside connections on the locomotive?
Which connections are NOT part of the outside connections on the locomotive?
What is the role of the pantograph in the locomotive's power circuit?
What is the role of the pantograph in the locomotive's power circuit?
What happens if the battery voltage is reduced below 82 V?
What happens if the battery voltage is reduced below 82 V?
What is the total nominal capacity of the battery system?
What is the total nominal capacity of the battery system?
Which brake system is responsible for performing protective actions if configured incorrectly?
Which brake system is responsible for performing protective actions if configured incorrectly?
How long can the loco CE supply power directly from the battery?
How long can the loco CE supply power directly from the battery?
What is the nominal voltage of each cell in the battery?
What is the nominal voltage of each cell in the battery?
Which condition triggers the P-2 fault message to appear on the screen?
Which condition triggers the P-2 fault message to appear on the screen?
What type of brake is spring-loaded?
What type of brake is spring-loaded?
In terms of configuration, what is monitored by the brake electronics?
In terms of configuration, what is monitored by the brake electronics?
What system is used for keeping the loco pilot alert during operation?
What system is used for keeping the loco pilot alert during operation?
Which feature is implemented to provide precise control of braking effort in a locomotive?
Which feature is implemented to provide precise control of braking effort in a locomotive?
What design aspect is intended to enhance crew comfort in locomotives?
What design aspect is intended to enhance crew comfort in locomotives?
Which system is mentioned as a method to reduce the weight transfer effect in locomotives?
Which system is mentioned as a method to reduce the weight transfer effect in locomotives?
What is the purpose of using inertial filters in the machine room?
What is the purpose of using inertial filters in the machine room?
Which feature allows for faster release of the train brakes after recreation?
Which feature allows for faster release of the train brakes after recreation?
What is the advantage of 3-phase induction motors over DC motors?
What is the advantage of 3-phase induction motors over DC motors?
What is the function of the wheel flange lubrication system?
What is the function of the wheel flange lubrication system?
What is the primary function of the oil pump located near SR-2?
What is the primary function of the oil pump located near SR-2?
What happens to the frequency of auxiliary motors when one auxiliary converter fails?
What happens to the frequency of auxiliary motors when one auxiliary converter fails?
Which components share their load when one auxiliary converter is isolated?
Which components share their load when one auxiliary converter is isolated?
Where is Scavenging Blower-1 located?
Where is Scavenging Blower-1 located?
What is the target pressure that the main compressors aim to create?
What is the target pressure that the main compressors aim to create?
What activates the machine room and scavenging blowers?
What activates the machine room and scavenging blowers?
Which auxiliary converter maintains the load for the converter pump when Conv-1 is isolated?
Which auxiliary converter maintains the load for the converter pump when Conv-1 is isolated?
What is the primary function of the battery charger?
What is the primary function of the battery charger?
Flashcards
Fault Diagnostics
Fault Diagnostics
The process of identifying and resolving issues with a system or device.
Display Screen
Display Screen
A visual representation of information, such as text and graphics, displayed on a screen.
Screen Structure
Screen Structure
The arrangement and organization of elements on a display screen.
Faults with Priority
Faults with Priority
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Isolation of Subsystem
Isolation of Subsystem
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Digital traction control system
Digital traction control system
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Electrical weight transfer control
Electrical weight transfer control
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Anti-spin protection
Anti-spin protection
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On-board fault diagnostics
On-board fault diagnostics
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Harmonic filter
Harmonic filter
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Over Speed Alarm System
Over Speed Alarm System
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Electronic Energy Meter
Electronic Energy Meter
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Fire Detection and Alarm System
Fire Detection and Alarm System
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Low Traction Bar Arrangement
Low Traction Bar Arrangement
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Ergonomically Designed Cab
Ergonomically Designed Cab
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Pressurized Machine Room
Pressurized Machine Room
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Electronic Brake System
Electronic Brake System
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Triplet Pneumatic Brake Panel
Triplet Pneumatic Brake Panel
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Traction Circuit
Traction Circuit
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Traction Converters
Traction Converters
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Main Transformer
Main Transformer
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Pantograph
Pantograph
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Traction and Braking Mode
Traction and Braking Mode
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Regenerative Braking
Regenerative Braking
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Converter Control Electronics
Converter Control Electronics
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Locomotive Central Electronics
Locomotive Central Electronics
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Converter Oil Pump-2
Converter Oil Pump-2
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Main Compressor-1
Main Compressor-1
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Scavenging Blower-1
Scavenging Blower-1
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Battery Charger
Battery Charger
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Load Sharing
Load Sharing
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Main Compressor Function
Main Compressor Function
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Oil Pump Operation
Oil Pump Operation
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Blower Operation
Blower Operation
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Battery Main Switch (MCB 112)
Battery Main Switch (MCB 112)
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Control Circuit Supply (MCB 112.1)
Control Circuit Supply (MCB 112.1)
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Battery Voltage Indicator (UBA)
Battery Voltage Indicator (UBA)
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P-1 Fault
P-1 Fault
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P-2 Fault
P-2 Fault
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Automatic Train Brake (ATB)
Automatic Train Brake (ATB)
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Parking Brake
Parking Brake
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Regeneration Brakes
Regeneration Brakes
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Study Notes
3 Phase Electric Loco Operating Instructions
- Technical Data: Contains specifications like voltage, frequency, axle arrangement, gear ratios, and weights for various loco types (WAP5, WAP7, WAG9).
- Abbreviations: Defines acronyms used throughout the manual. Examples include abbreviations for various components, switches, and control elements.
- General Features of 3 Phase Electric Loco: Describes the key technological advancements, real-time traction control, electrical weight transfer, anti-spin protection, on-board fault diagnostics, exclusive harmonic filter, and electronic speedometer.
- Advantages of 3-Phase Electric Locomotives: Highlights the benefits compared to DC locomotives, including smaller traction motor size, lower maintenance costs, higher reliability, and greater overload capabilities.
- Mechanical Features of 3 Phase Electric Loco: Explains the design and function of bogies, suspension systems, traction motors, and their mounting on the axles, as well as wheel flange lubrication.
- System Description: Details the potential transformer, which steps down catenary voltage, and the main transformer, which steps down the 25kV AC supply for use by the traction and auxiliary converters. It also describes the various converter circuits: line converter, DC link, and drive converter.
- Traction Power Circuit: Provides diagrams and details of the traction power circuits, showing the pantograph, main transformer, harmonic filter winding, traction converters, auxiliary converters, and traction motors.
- Auxiliary Converter: The 3-phase, 415V AC supply from the auxiliary converter powers various auxiliaries, including oil cooling blowers, and a battery charger, and it's technical details.
- Cooling Concept: Outlines the system for cooling the critical components, like transformers and traction converters, using oil cooling units and blowers.
- Harmonic Filter: Explains how the harmonic filter is used to suppress high-frequency harmonics, essential for maintaining stable signaling.
- Brake System: Describes various braking systems (automatic train brake, direct brake, parking brake, anti-spin brake, and regenerative braking), their function, positions for the brake controller handle and pressures.
- Miscellaneous: Details additional systems such as pantograph, main reservoir, Memotel (speedometer), sanding, control electronics, and resetting of MCBs.
- Protective Measures: Covers various safety and protective measures like catenary voltage range, temperature protection, overcurrent protection, and train parting mechanisms.
- Preparation: Provides detailed operating procedures and essential checks for pre-running inspection, including systems, measurements, and general operation.
- On-line Movement: Instructs on how to energize the loco, operation of various keys including the BL key and the reverser along with operational mode, cooling mode, driving and braking procedures., operating the throttle and the various aspects of train movement.
- Fault Diagnostics: Outlines diagnosing faults, system displays, and status codes. Provides troubleshooting procedures using diagrams, including locations of circuit breakers.
- Multiple Unit Operations: Explains the systems for operating the locomotives in multiple unit configurations.
- Dead Loco Movement: Details steps to move a disabled (dead) locomotive in a train, including isolating components, securing the locomotive and safety procedures for moving it.
- Trouble Shooting Directory: A guide for troubleshooting various issues.
- Different Photographs of Loco Parts: Includes illustrations of different components.
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Description
This quiz explores the key concepts of fault diagnostics specific to 3-phase locomotives. It covers topics such as the isolation of subsystems, fault message codes, and essential diagnostic features like anti-spin protection. Test your understanding of how these elements contribute to effective machine status assessment.
