KURZUS: Járművillamosság és elektronika 1.

MODUL: I. modul

Lesson 6: Hybrid (HEV) and Electric (EV) Vehicles

| Self-Assessment Questions
1. What was the fastest high-speed train until 2010?
| Sinkanszen 955
| JR-Maglev ML500
| TGV V150
| Transrapid 08
2. When does an electric machine operate in generator mode?
| When the direction of rotation matches the torque
| When the magnetic field is of constant magnitude
| When the rotor speed is higher than the magnetic field speed
| When the direction of rotation is opposite to the torque
3. When does an electric machine operate in motor mode?
| When the magnetic field is of constant magnitude
| When the rotor speed is higher than the magnetic field speed
| When the direction of rotation is opposite to the torque
| When the direction of rotation matches the torque
4. How many days does it take the MS Turanor Planet Solar to cross the Atlantic Ocean?
| 10
| 5
| 50
| 22
5. What was the range (km) of an electric Tama in the mid-20th century?
| 65
| 50
| 32
| 107
6. What is the efficiency (%) of the latest diesel vehicles?
| kb. 40
| kb. 30
| kb. 55
| 28
7. What is the optimal efficiency (%) of a PMSM motor in modern vehicles?
| 70
| 95
| 50
| 99
| 45
8. Why is it better to use an EV rather than a vehicle with an internal combustion engine?
| Regenerative braking
| Higher torque
| Easier to control
| It operates in both motor and generator modes
| All of the above
9. What motor is used in Tesla Roadsters?
| PMSM
| Asynchronous motor
| DC series motor
| Reluctance motor
10. What type of electric motor is often built into vehicles?
| Asynchronous motor
| Reluctance motor
| PMSM
| All of the above