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Power Flow Routing System for an EV Drive Train

Total questions: 85

Worksheet time: 48mins

Name
Class
Date
1.

Fill in the blank: Source electrical energy is from the ________.

a)

electrical grid

b)

water supply

c)

natural gas line

d)

telephone network

2.

Fill in the blank: When connected to an ac supply, electrical energy is rectified from ac to dc by ________.

a)

PME1

b)

transformer

c)

inductor

d)

capacitor

e)

resistor

3.

Fill in the blank: Direct current-stored energy in the EESS is managed by the ________ and BMS, and dc current is supplied to PME2 on command.

a)

PCM

b)

ECU

c)

PDU

d)

MCB

4.

Fill in the blank: PME2 functions to invert dc to ac when the drive train is in ________ mode, and to rectify ac to dc when in waste energy recovery mode.

a)

traction

b)

idle

c)

braking

d)

standby

5.

Fill in the blank: PME2 supplies ac to a ________, axle-mounted, ac electric motor.

a)

transverse

b)

longitudinal

c)

vertical

d)

radial

6.

Fill in the blank: The ac motor differential gearing distributes traction torque ________ to the vehicle drive wheels.

a)

transversely

b)

vertically

c)

diagonally

d)

longitudinally

7.

Fill in the blank: The driveline power flow is reversed when the drive train is in ________ mode.

a)

waste recovery

b)

drive

c)

neutral

d)

acceleration

8.

Fill in the blank: PME2 then rectifies the ac waste recovery electrical energy to dc and feeds this to the ________.

a)

EESS

b)

Inverter

c)

Rectifier

d)

Battery

9.

Fill in the blank: Source electrical energy is from the ________.

a)

electrical grid

b)

water supply

c)

natural gas

d)

wind turbine

10.

Fill in the blank: Electrical energy is routed through PME1 to the powertrain ________.

a)

EESS

b)

ECU

c)

BMS

d)

TCU

11.

Fill in the blank: PME2 functions to invert dc to ac when the drive train is in ________ mode.

a)

traction

b)

braking

c)

idle

d)

reverse

12.

Fill in the blank: PME2 supplies ac to each transverse, axle-mounted, ac electric ________.

a)

motor

b)

generator

c)

compressor

d)

transformer

13.

Fill in the blank: The differential gearing on each axle-mounted ac motor distributes traction torque transversely to all ________ vehicle drive wheels.

a)

four

b)

two

c)

six

d)

eight

14.

Fill in the blank: The driveline power flow is reversed when the drive train is in ________ mode.

a)

waste recovery

b)

drive

c)

neutral

d)

acceleration

15.

Fill in the blank: PME2 rectifies the ac waste recovery electrical energy to dc and feeds this to the ________.

a)

EESS

b)

Inverter

c)

Rectifier

d)

Transformer

16.

Which color represents the mechanical power direction of flow in the Power Flow Color Codes?

a)

Blue

b)

Green

c)

Red

d)

Pink

17.

Which color represents mechanical and electrical flow in the Power Flow Color Codes?

a)

Blue

b)

Green

c)

Red

d)

Yellow

18.

Which color represents high-voltage direction of flow in the Power Flow Color Codes?

a)

Blue

b)

Green

c)

Red

d)

Pink

19.

Which color represents low-voltage BUS line in the Power Flow Color Codes?

a)

Blue

b)

Green

c)

Red

d)

Pink

20.

Which color represents liquid or gaseous fuel in the Power Flow Color Codes?

a)

Blue

b)

Green

c)

Yellow

d)

Pink

21.

Which component is responsible for storing electrical energy in the system?

a)

Motor generator

b)

EESS

c)

PCM and BMS

d)

PME1

22.

What does 'HV grid electricity' supply power to first in the system?

a)

Motor generator

b)

EESS

c)

PME1

d)

PCM and BMS

23.

Refer to the diagram 'Power flow routing system for a BEV series four-wheel drive.' Fill in the blank: The component labeled 'PCM and BMS' is connected to both the EESS and the ________.

a)

Motor generator

b)

Radiator

c)

Fuel tank

d)

Exhaust system

24.

The PME2 component is directly connected to the HV grid electricity.

a)

True

b)

False

25.
Question Image

Refer to the diagram 'Power flow routing system for a BEV series four-wheel drive.' Match the following components to their likely function:

a)

Energy storage

1.

EESS

b)

Power control and battery management

2.

Motor generator

c)

Converts electrical energy to mechanical energy

3.

PCM and BMS

26.

Fill in the blank: Source electrical energy is from the ________.

a)

electrical grid

b)

water supply

c)

natural gas

d)

telephone line

27.

Fill in the blank: When connected to an ac supply, electrical energy is rectified from ac to dc by (a)   .

28.

Fill in the blank: Electrical energy is routed through PME1 to the ________.

a)

powertrain EESS

b)

lighting system

c)

cooling fan

d)

audio amplifier

29.

Fill in the blank: Direct current-stored energy in the EESS is managed by the (a)   and BMS.

30.

Fill in the blank: PME2 functions to invert dc to ac when the drive train is in ________ mode.

a)

traction

b)

braking

c)

idle

d)

reverse

31.

Fill in the blank: PME2 supplies ac to each transverse, axle-mounted, ________ motor.

a)

ac electric

b)

hydraulic

c)

pneumatic

d)

dc electric

32.

Fill in the blank: The rear axle of the tandem pair is classified as a ________ axle.

a)

dead

b)

live

c)

steering

d)

driven

33.

Fill in the blank: The driveline power flow is reversed when in ________ mode.

a)

waste energy recovery

b)

acceleration

c)

idle

d)

cruise

34.

Fill in the blank: PME2 rectifies the ac waste recovery electrical energy to dc and feeds this to the ________.

a)

EESS

b)

Inverter

c)

Rectifier

d)

Battery

35.

Match the following Power Flow Color Codes:

a)

Blue

1.

Mechanical power direction of flow

b)

Green

2.

Mechanical and electrical flow

c)

Red

3.

High-voltage direction of flow

d)

Pink

4.

Low-voltage BUS line

e)

Yellow

5.

Liquid or gaseous fuel

36.

Power Flow Routing: Source electrical energy is from the ________.

a)

electrical grid

b)

battery pack

c)

solar panel

d)

diesel generator

37.

Power Flow Routing: When connected to the grid, electrical energy is rectified from ac to dc at the ________.

a)

charge station

b)

transformer

c)

inverter

d)

battery pack

38.

Power Flow Routing: Direct current electrical energy is routed through the ________ before being sent to the powertrain EESS.

a)

PME1 module

b)

Inverter unit

c)

Cooling system

d)

Battery charger

39.

Power Flow Routing: Direct current-stored energy in the EESS is managed by the ________ and ________, and then dc is supplied to PME2 on command.

a)

PCM and BMS

b)

DC-DC Converter and Inverter

c)

Rectifier and Transformer

d)

PME2 and EESS Controller

40.

Power Flow Routing: PME2 functions to invert dc to ac when the drive train is in traction mode, and to rectify ac to dc when in ________ mode.

a)

waste energy recovery

b)

acceleration

c)

idle

d)

charging

41.

Power Flow Routing: PME2 supplies electricity to a single ________.

a)

ac electric motor

b)

light bulb

c)

solar panel

d)

battery

42.

Power Flow Routing: The ac traction motor outputs mechanical torque to a (a)   differential carrier.

43.

Power Flow Routing: In waste energy recovery mode, mechanical energy recovered from the drive wheels is routed to the final drive gearing in both differential carriers to the ________ traction motor.

a)

ac

b)

dc

c)

stepper

d)

servo

44.

Power Flow Routing: PME2 rectifies the waste recovery electrical energy to dc and supplies this to the ________.

a)

EESS

b)

Inverter

c)

Motor Controller

d)

Battery Charger

45.

Match the Power Flow Color Codes with their meanings:

a)

Blue

1.

Mechanical power direction of flow

b)

Green

2.

Mechanical and electrical flow

c)

Red

3.

High-voltage direction of flow

d)

Pink

4.

Low-voltage BUS line

e)

Yellow

5.

Liquid or gaseous fuel

46.

What is the function of the EESS in the system?

a)

The EESS (Energy Storage System) stores and supplies electrical energy to the system.

b)

The EESS (Energy Storage System) controls the temperature of the system.

c)

The EESS (Energy Storage System) manages data communication between devices.

d)

The EESS (Energy Storage System) provides mechanical support to the system.

47.

Refer to the diagram of the power flow routing system for a BEV S-drive four-wheel drive tandem axle, dual-drive axle. The component that controls and manages the battery and powertrain is called ________.

a)

PCM and BMS

b)

ECU and TCU

c)

ABS and ESC

d)

DC-DC Converter

48.

Refer to the diagram of the power flow routing system for a BEV S-drive four-wheel drive tandem axle, dual-drive axle. Which of the following is NOT a part of the power flow routing system?

a)

PME1

b)

PCM and BMS

c)

Internal combustion engine

d)

Traction motor

49.

Refer to the diagram of the power flow routing system for a BEV S-drive four-wheel drive tandem axle, dual-drive axle. The final drive gearing is responsible for transferring power to the ________.

a)

wheels

b)

battery pack

c)

steering column

d)

dashboard

50.

Fill in the blank: Source power is an ______. Depending on the application, the ICE may be fueled by gasoline, diesel, natural gas, propane, or other combustible fuels.

a)

ICE

b)

engineer

c)

inverter

d)

insulator

51.

Fill in the blank: The ICE outputs mechanical drive torque to the ______. The PSPG delivers mechanical torque to the power-split planetary gearset.

4 lines
52.

Fill in the blank: The drive train is managed by a (a)   . Direct current electrical energy from the MGs is routed to the powertrain EESS via the PME.

53.

Fill in the blank: Direct current-stored energy in the EESS is managed by the (a)   , and then dc power is supplied to the PME on command.

54.

Fill in the blank: The drive train PME inverts dc to ac when the electric drive train is in traction mode, and rectifies ac to dc when in ______ mode.

a)

waste energy recovery

b)

acceleration

c)

idle

d)

charging

55.

Fill in the blank: Traction torque is only possible when routed through the ac motor labeled ______.

a)

MG2

b)

MG1

c)

MG3

d)

MG4

56.

Fill in the blank: The ac MG2 outputs traction torque to the vehicle drive wheels via final drive gearing, and ______ assists via the power-split planetary gearset.

a)

MG1

b)

MG3

c)

Inverter

d)

Battery

57.

Fill in the blank: When the drive train is in waste recovery mode, mechanical energy from the drive wheels is routed via the final drive gearing to MG2, which generates ac electrical energy and supplies it to the (a)   .

58.

Fill in the blank: The PME then rectifies the ac waste recovery electrical energy to dc and feeds this to the ______.

a)

EESS

b)

Inverter

c)

Rectifier

d)

Transformer

59.

Match the following Power Flow Color Codes with their meanings:

a)

Blue

1.

Mechanical power direction of flow

b)

Green

2.

Mechanical and electrical flow

c)

Orange

3.

High-voltage direction of flow

d)

Pink

4.

Low-voltage BUS line

e)

Yellow

5.

Liquid or gaseous fuel

60.

Refer to the diagram of the power flow routing system for an HEV S-P drive with generic power-split. Which component stores electrical energy for the system?

a)

ICE fuel

b)

EESS

c)

PCM and BMS

d)

PME

61.

Refer to the diagram of the power flow routing system for an HEV S-P drive with generic power-split. The ICE receives fuel from which component?

a)

ICE fuel

b)

Battery pack

c)

Electric motor

d)

Transmission

62.

Refer to the diagram of the power flow routing system for an HEV S-P drive with generic power-split. The final drive gearing receives input from which component(s)?

a)

MG2 only

b)

Power-split planetary gearset only

c)

Both MG2 and Power-split planetary gearset

d)

ICE only

63.

Refer to the diagram of the power flow routing system for an HEV S-P drive with generic power-split. Fill in the blank: The component labeled 'MG1' is connected to the ______ and the Power-split planetary gearset.

a)

EESS

b)

Engine

c)

Inverter

d)

Radiator

64.

The function of the Power-split planetary gearset in the power flow routing system for an HEV S-P drive with generic power-split is to:

a)

Control the speed of the vehicle only

b)

Manage the distribution of power between the ICE, electric motor-generators, and final drive gearing

c)

Store electrical energy for later use

d)

Convert AC power to DC power

65.

Fill in the blank: Source power is a ______-fueled ICE.

a)

gasoline

b)

diesel

c)

electric

d)

hydrogen

66.

Fill in the blank: The ICE outputs mechanical drive torque to the ____. The PSD simultaneously outputs mechanical torque to MG1 and MG2. MG1 and MG2 feed ac electricity to the chassis PME module.

a)

PSD

b)

MG1

c)

Inverter

d)

Battery

67.

Fill in the blank: The PME unit rectifies the ac from the MGs to dc electrical energy for storage in the ____.

a)

EESS

b)

APU

c)

IDG

d)

TRU

68.

Fill in the blank: Direct current-stored energy in the EESS is managed by the PCM and BMS module. On command, the PME unit can invert stored dc electrical energy in the EESS and supply it to ____ and ____.

(a)  

69.

Fill in the blank: When MG1 and MG2 are operating in a motor mode, they output mechanical torque to the (a)   .

70.

Fill in the blank: The PSD blends input torque from the ICE, MG1, and MG2 to produce output ______ torque.

a)

traction

b)

braking

c)

steering

d)

charging

71.

Fill in the blank: Output traction torque is routed to the final drive gearing and delivered to the ______-axle wheels.

a)

drive

b)

front

c)

rear

d)

steer

72.

Fill in the blank: When in waste energy recovery mode, the drive train power flow ______.

a)

reverses

b)

increases

c)

stops

d)

remains constant

73.

Fill in the blank: Mechanical energy from the drive wheels is routed via the final drive gearing to the PSD and from there to MG1 and MG2, generating ac electrical energy. The ac electricity is then rectified by the PME for storage as dc in the ____.

a)

EESS

b)

PCM

c)

ECU

d)

TCM

74.

Which color represents the mechanical power direction of flow in the Power Flow Color Codes?

a)

Blue

b)

Green

c)

Red

d)

Yellow

75.

Which color represents mechanical and electrical flow in the Power Flow Color Codes?

a)

Blue

b)

Green

c)

Red

d)

Yellow

76.

Which color represents high-voltage direction of flow in the Power Flow Color Codes?

a)

Blue

b)

Green

c)

Red

d)

Yellow

77.

Which color represents low-voltage BUS line in the Power Flow Color Codes?

a)

Blue

b)

Green

c)

Pink

d)

Yellow

78.

Which color represents liquid or gaseous fuel in the Power Flow Color Codes?

a)

Blue

b)

Green

c)

Red

d)

Yellow

79.

What does the acronym EESS stand for in the context of HEV Series-Parallel Drive with Toyota Power-Split?

4 lines
80.

Refer to the diagram of the power flow routing system for an HEV series-parallel drive and Toyota power-split. Which component is responsible for storing electrical energy?

a)

MG2

b)

EESS

c)

ICE

d)

PSD

81.

Refer to the diagram of the power flow routing system for an HEV series-parallel drive and Toyota power-split. The ICE fuel is used by which component?

a)

MG1

b)

ICE

c)

PSD

d)

EESS

82.

Refer to the diagram of the power flow routing system for an HEV series-parallel drive and Toyota power-split. The component labeled 'PCM and BMS' is connected to which of the following?

a)

PME, MG1, and PSD

b)

ICE, Battery, and Inverter

c)

MG2, Transmission, and Differential

d)

Radiator, ECU, and Fuel Tank

83.

Refer to the diagram of the power flow routing system for an HEV series-parallel drive and Toyota power-split. The final drive gearing receives input from the ________.

a)

PSD

b)

Battery

c)

Inverter

d)

Electric Motor

84.

Fill in the blank: The source power for the Honda Integrated Motor Assist (IMA) system is a __________-fueled ICE.

a)

gasoline

b)

diesel

c)

electric

d)

hydrogen

85.

Fill in the blank: The ICE outputs mechanical drive torque to an engine-integral MG1, which generates __________ and then feeds it to the EESS.

a)

electricity

b)

hydraulic pressure

c)

coolant

d)

compressed air

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