Podcast
Questions and Answers
What is the nominal input voltage of the traction converter cubicle?
What is the nominal input voltage of the traction converter cubicle?
- 46Hz - 54 Hz
- 16.5-28.5 kV
- 2 x 950 V AC, 50 Hz / 1500V DC (correct)
- 627 V-1083 V AC
What is the input voltage range in AC mode?
What is the input voltage range in AC mode?
- 627 V-1083 V AC (correct)
- 16.5-28.5 kV
- 46Hz - 54 Hz
- 2 x 950 V AC, 50 Hz / 1500V DC
What is the input frequency range in AC mode?
What is the input frequency range in AC mode?
- 2 x 950 V AC, 50 Hz / 1500V DC
- 16.5-28.5 kV
- 627 V-1083 V AC
- 46Hz - 54 Hz (correct)
What is the nominal DC link circuit voltage for traction operation?
What is the nominal DC link circuit voltage for traction operation?
What traction system does the traction converter work on?
What traction system does the traction converter work on?
What are the components of the traction converter?
What are the components of the traction converter?
What controls and monitors the traction converter?
What controls and monitors the traction converter?
What are the functional sections of the traction converter in AC mode?
What are the functional sections of the traction converter in AC mode?
The pre-charging resistor is connected in parallel to the main contactor.
The pre-charging resistor is connected in parallel to the main contactor.
The purpose of the 4QC module is to transform the input voltage into a controlled direct voltage for the DC link circuit.
The purpose of the 4QC module is to transform the input voltage into a controlled direct voltage for the DC link circuit.
The IGBT's are used as switches with a low closing sequence.
The IGBT's are used as switches with a low closing sequence.
What is the number of 4 QC per Traction Converter Cubical (TCC)?
What is the number of 4 QC per Traction Converter Cubical (TCC)?
What type of semiconductor is used in the Traction Converter Cubical?
What type of semiconductor is used in the Traction Converter Cubical?
What is the pulse frequency of the Traction Converter Cubical?
What is the pulse frequency of the Traction Converter Cubical?
What is the number of PWMI per TCC?
What is the number of PWMI per TCC?
What type of semiconductor is used in the PWMI?
What type of semiconductor is used in the PWMI?
What is the pulse frequency of the PWMI?
What is the pulse frequency of the PWMI?
Protection resistors are internally connected to the brake chopper.
Protection resistors are internally connected to the brake chopper.
How many brake choppers are used per TCC?
How many brake choppers are used per TCC?
What type of semiconductor is used in the brake chopper?
What type of semiconductor is used in the brake chopper?
What is the pulse frequency of the brake chopper?
What is the pulse frequency of the brake chopper?
What is the capacity of the DC link circuit?
What is the capacity of the DC link circuit?
What is the inductance of the line reactor?
What is the inductance of the line reactor?
What is the control voltage range?
What is the control voltage range?
What is the continuous power demand of the traction converter?
What is the continuous power demand of the traction converter?
What type of ventilation system is used for the traction converter cabinet?
What type of ventilation system is used for the traction converter cabinet?
What is the type of the main blower?
What is the type of the main blower?
What is the type of the auxiliary blower?
What is the type of the auxiliary blower?
What is the type of the DC Link Capacitor?
What is the type of the DC Link Capacitor?
What is the type of the DC/DC power supply?
What is the type of the DC/DC power supply?
What is the type of the current transducers?
What is the type of the current transducers?
What is the type of the voltage transducers?
What is the type of the voltage transducers?
What is the type of the intermediate transformer current?
What is the type of the intermediate transformer current?
What is the type of the SIBAS filter?
What is the type of the SIBAS filter?
What is the type of the temperature sensor - Air inlet?
What is the type of the temperature sensor - Air inlet?
What is the type of the pre-charging resistor?
What is the type of the pre-charging resistor?
What is the type of the discharge resistor DC link?
What is the type of the discharge resistor DC link?
What is the type of the grounding capacitor?
What is the type of the grounding capacitor?
What is the type of the contactors for blower circuit?
What is the type of the contactors for blower circuit?
What is the type of the auxiliary contactors?
What is the type of the auxiliary contactors?
What is the type of the SIBAS 32 S?
What is the type of the SIBAS 32 S?
What is the type of the EMC capacitor?
What is the type of the EMC capacitor?
What is the type of the intermediate transformer voltage monitoring?
What is the type of the intermediate transformer voltage monitoring?
Flashcards
Traction Converter Cubicle
Traction Converter Cubicle
A completely assembled unit located in the high-voltage compartment of the EMU. It houses the Traction Control Unit (TCU) and is responsible for converting AC and DC power to drive traction motors.
Nominal Input Voltage (AC Mode)
Nominal Input Voltage (AC Mode)
The standard AC voltage supplied to the traction converter in AC mode, consisting of two phases at 950V AC, 50 Hz.
Input Voltage Range (AC Mode)
Input Voltage Range (AC Mode)
The acceptable range of AC voltage that the traction converter can operate within, between 627V to 1083V AC.
Input Frequency Range (AC Mode)
Input Frequency Range (AC Mode)
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Nominal DC Link Circuit Voltage (AC Mode)
Nominal DC Link Circuit Voltage (AC Mode)
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Traction Converter in Dual Voltage System
Traction Converter in Dual Voltage System
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Four-Quadrant Chopper
Four-Quadrant Chopper
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DC Link Circuit
DC Link Circuit
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Pulse Width Modulated Inverter (PWMI)
Pulse Width Modulated Inverter (PWMI)
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Brake Chopper
Brake Chopper
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Pre-charging Unit
Pre-charging Unit
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IGBT Modules in 4QC and PWMI
IGBT Modules in 4QC and PWMI
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Pulse Frequency of 4QC
Pulse Frequency of 4QC
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Pulse Frequency of PWMI
Pulse Frequency of PWMI
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Capacitive Earth-Fault Registration
Capacitive Earth-Fault Registration
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Forced Ventilation in the Traction Converter Cabinet
Forced Ventilation in the Traction Converter Cabinet
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Components in the Traction Converter Cabinet
Components in the Traction Converter Cabinet
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SIBAS® 32S Traction Control Unit
SIBAS® 32S Traction Control Unit
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4QC Module Type
4QC Module Type
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PWMI Module Type
PWMI Module Type
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Line Reactor Inductance
Line Reactor Inductance
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DC-DC Power Supply
DC-DC Power Supply
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Current Transducers
Current Transducers
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Voltage Transducers
Voltage Transducers
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Intermediate Transformers
Intermediate Transformers
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SIBAS Power Supply Filter
SIBAS Power Supply Filter
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Temperature Sensor
Temperature Sensor
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Pre-charging Resistors
Pre-charging Resistors
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Discharge Resistors
Discharge Resistors
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Grounding Capacitor
Grounding Capacitor
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Auxiliary Contactors
Auxiliary Contactors
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Auxiliary Blowers
Auxiliary Blowers
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EMC Capacitor
EMC Capacitor
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Study Notes
Traction Converter Cubicle
- The traction converter cubicle is a complete unit in the motor coach's high-tension compartment
- The traction control unit (TCU) is housed within the cabinet
- Nominal input voltage is 2 x 950 V AC, 50 Hz / 1500V DC
- AC mode input voltage range: 627 V - 1083 V AC, related to 16.5-28.5 kV line voltage
- AC mode input frequency range: 46 Hz - 54 Hz
- DC mode input voltage range: 800 V - 1800 V DC
- Nominal DC link circuit voltage: AC Mode 1800 V, DC Mode 1500 V
- Power factor in AC at different loads and line voltages: approximately unity
Electrical System
- The traction converter uses a dual voltage system (1500V DC or 950V, 1-phase, 50Hz AC, 25KV AC line)
- It includes two four-quadrant choppers, a DC link, and two PWM inverters, each powering two traction motors
- Other components include DC link capacitors, contactors, transducers, blowers, and Siemens' Traction control unit (TCU) SIBAS® 32S for control/monitoring.
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Description
This quiz explores the key components and functionalities of the traction converter cubicle used in motor coaches. Learn about the input voltage specifications, traction control unit (TCU), and the dual voltage system utilized in these systems. Test your knowledge on electrical systems related to traction converters.
