Propulsion and Brake System Quiz

What does VVVF stand for in the context of the propulsion system?

• Variable Volume Variable Flow

• Variable Velocity Variable Force

• Variable Voltage Variable Frequency

• Variable Vibration Variable Frequency

What is the maximum operation speed of the propulsion system?

• 150 km/h

• 120 km/h

• 200 km/h

• 100 km/h

What is the acceleration rate at the starting of the propulsion system?

• 5.2 km/h/s

• 2.5 km/h/s

• 3.3 km/h/s

• 4.0 km/h/s

What is the service brake deceleration of the propulsion system?

• 4.5 km/h/s

• 4.2 km/h/s

• 4.0 km/h/s

• 3.5 km/h/s

What is the purpose of the regenerative brake in the propulsion system?

• Energy saving

• Improving passenger comfort

• Reducing maintenance cost

• Increasing speed

What is the total energy consumption of the propulsion system with regenerative brake and powering combined?

• 1.50

• 0.89

• 2.00

• 1.82

What is the main advantage of the hybrid SiC module applied in the propulsion system?

• Lower Maintenance Cost

• Higher Maximum Speed

• Improved Passenger Comfort

• Less Switching Loss

What is the cooling structure of the totally enclosed motor in the propulsion system?

• Direct cooling with dust entry

• External cooling with no dust entry

• Indirect cooling with dust entry

• Internal cooling with no dust entry

What are the 4 types of brake in the brake system?

• Manual, Automatic, Semi-automatic, Electric

• Front, Rear, Left, Right

• Primary, Secondary, Tertiary, Quaternary

• Emergency, Security, Service, Parking

What is the electrical command required for the emergency brake to be released?

• AC100V

• DC200V

• DC100V

• AC200V