Electric vehicle charging systems midterm

NEC 110.14(C) requires conductor ampacity to be ? .

coordinated with equipment termination ratings.

The National Electrical Code (NEC) ? .

provides minimum installation requirements.

A partial zero emissions vehicle (PZEV) is defined as which of the following?

A gas-engine vehicle that has zero evaporative emissions from its fuel system

Which of the following is true about the J1772 standard control pilot terminal pin's function?

All of the above.

Electric vehicle supply equipment (EVSE) provides which of the following safety features?

GFCI protection. Hardware fault detection.

Which of the following is not an alternative to fossil fuels?

Gasoline.

Which of the following was an early electric vehicle charger?

General Electric arc rectifier.

What is the SAE standard for wireless charging?

J2954 recommended practice.

The ? load for listed occupancies is based on Table 220.12.

Lighting.

The Society of Auto Engineers (SAE) creates standards for which of the following?

Maximum current and voltage specifications for EVSE. Plug configuration. Safety features.

Which of the following is not true of EV charging networks?

None of the above.

Which of the following is connected to the charge controller of a wireless EV charger via hardwiring?

Power source coil

Overcurrent protection for EVSE is covered in ? .

Section 625.41

What was the first mass-produced hybrid electric vehicle?

Toyota Prius.

Which of the following drive the market for EVs?

1. Decreased cost of electric vehicles. 2. Increased interest in alternatives to gas-powered vehicles.

The first electric vehicle can be traced back to ? .

1832

Level 2 EVSEs with a rating of 6.6 kilowatts can supply ? of charge current when operating at 220 VAC.

30 A.

Fleet vehicle battery capacity has reached upward of ? for heavy duty vehicles.

550 kWh

The CHAdeMO V1.0 Standard has charging power up to ? at ? , up to ? .

62.5 kW / 500 VDC / 125 A

The State of Charge of the EV battery is ? .

A determining factor in calculating the time necessary to fully charge an EV.

Charging methods for battery electric buses include which of the following?

Above/below bus charging wireless charging. Plug-in charging. Wireless power transfer.

EV networks generate revenue with which of the following?

All of the above.

Installations covered by the NEC include which of the following?

All of the above.

The SAE standard for wireless charging has specifications that include which of the following?

All of the above.

The tables in Article 310 identify ? .

All of the above.

Regenerative braking is best described by which of the following?

An energy recovery system.

Requirements for branch circuits and AFCI/GFCI protection of branch circuits are found in ? .

Article 210.

When an EV and its EVSE is used as a power supply for an optional standby system, requirements found in ? are applied.

Article 702.

When an EV and EVSE is used to facilitate power supply as an interactive power production source, which article must be applied?

Article 705.

DC charging equipment provides DC directly to ? in an EV.

Battery management systems.

Which of the following is the Japanese DC quick charging standard?

CHAdeMO

What types of commercial/industrial vehicles are currently available in an electrified version?

Cargo and material-handling equipment. Delivery vans and buses. Semi-trailer trucks.

Forklifts, yard tractors, and drayage trucks are all examples of ? .

Cargo-Handling equipment.

What factors limited the popularity of EVs as internal combustion engine vehicles came to the market in the early 1900s?

Charge times. range. speed.

NEC Chapter 8 covers ? systems and ? subject to Chapters 1-7 unless specifically referenced.

Communications/ is not.

Which of the following is not a variable that determines the charging time of an EV?

Connector configuration.

EVSE equipment shall have means to ? the charging cable if strain is placed upon it that could rupture the cable or connector, leading to exposure of live parts.

Deenergize.

EVSE output cable is permitted to be made from Type ? cable and is generally permitted to have a maximum length of ? .

EVJT/ 25'

EVSE provides DC power to the electric vehicle charging port.

False

The EV's power acceptance rate should not be considered when making EVSE purchasing decisions.

False.

Article 110 covers ? requirements for wiring and equipment.

General.

What category of EV has been available to consumers the longest?

HEV

Which of the following describes an advantage that hybrid electric vehicles have over traditional gas-powered vehicles?

Hybrid vehicles have superior efficiency compared to gas-powered vehicles.

Which of the following is not a category of electric vehicles?

ICE

What improvements in technology have increased interest in EVs?

Improved range, power, and lighter batteries.

Wireless EV charging utilizes the principles of ? .

Induction

EVs can be equipped with a(n) ? motor.

Induction internal combustion.

EVSE must be equipped with a(n) ? that prevents the charging connector from being accidentally energized before it is connected to the vehicle.

Interlock.

What are the advantages of wireless charging?

It has no exposed electrical contact points. Wireless charging has better aesthetic.

An AC charger with a single-phase 120-volt connection and 14-16 amperes of continuous current output is classified as a ? charger.

Level 1

An AC charger with a single-phase 208-volt or 240-volt connection and a continuous current output of up to 80 amperes is classified as a ? charger.

Level 2.

EVSE shall have a(n) ? system for shock protection for personnel.

Listed.

Which of the following describes a plug-in electric vehicle that runs on batteries until nearly depleted, then switches over to an ICE generator to extend the battery range?

PHEV

Which of the following describes an EV drivetrain architecture in which power can be transmitted to the drive from two sources at the same time?

Parallel hybrid drive.

NECA 413-2012 contains ? requirements for EVSE installation, covering everything from planning an installation to ADA considerations and commissioning process.

Performance based.

What best describes early EVs?

Quiet, easy to start, and mechanically simple.

Later in the development of EV charging equipment, the actual charging means was accomplished by a(n) ? that converts AC to DC to be used in charging the vehicle's battery.

Rectifier.

Which of the following calculations are covered in Article 220?

Residential, commercial, industrial service, and feeder.

Which of the following acronyms represents the level of charge present in an EV battery?

SOC

Temperature ratings of equipment, overcurrent devices, and conductors must be ? and ? to not exceed the lowest rated element of the circuit.

Selected/ coordinated

Charging is defined as which of the following?

Supplying power (kW) to an EV battery.

Chapter 9 of the NEC contains which of the following?

Tables that are applicable and enforceable when referenced elsewhere in the Code.

According to Article 625, EVSE is equipment that has the specific purpose of transferring energy from ? to the electric vehicle.

The premises wiring system.

Which of the following illustrates why electric vehicles were so popular in the early days of automobiles?

They were clean to operate. They were quiet.

A battery electric vehicle requires external charging but does not rely on an internal combustion generator for extended range.

True

The first EV chargers were external and supplied DC current directly to the vehicle's batteries.

True

The state of charge is the available capacity of the battery, expressed as a percentage.

True

The NECA 413-2012 Standard is the only ANSI-approved standard for EVSE installation and maintenance.

True.

The maximum amount of current a conductor can carry under the conditions of use without exceeding its temperature rating is found using the calculation methods based in Article 310.

True.

Wireless charging is more expensive than coupled EVSE.

True.

Definitions that are specific to a particular article are located in which of the following sections?

Xxx.2

NEC Chapters 1-4 apply to ? .

all installations except as modified by Chapters 5, 6, and 7.

The purpose of the J1772 connector pins is to provide ? .

all of the above.

The EV industry is comprised of ? .

auto manufacturers. consumer advocacy groups. EV charging equipment manufacturers. research and standards organizations

EV networks utilize memberships that are ? .

fee-based or pay-as-you-go.