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Low Voltage System (LVS) Basics

Created by

@HardierTranscendental

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Questions and Answers

What is the Low Voltage System (LVS) defined as in electric vehicles?

Every electrical part that is not part of the High Voltage System

All electrical circuits of the vehicle

Every electrical part that is not part of the Transmission System (TS) (correct)

Only electrical circuits with a voltage below 50 V AC RMS

What is a requirement for all LVS parts?

They must be connected to the High Voltage System

They must be adequately insulated (correct)

They must be installed in a sealed compartment

They must be made of conductive materials

What is the maximum permitted voltage between any two electrical connections in the LVS?

40 V DC or 30 V AC RMS

100 V DC or 80 V AC RMS

60 V DC or 50 V AC RMS (correct)

80 V DC or 60 V AC RMS

Which of the following systems is excluded from the LVS voltage limit in conventional vehicles?

<p>High voltage systems for ignition</p> Signup and view all the answers

What is the purpose of the LVS voltage limit?

<p>To ensure safety and prevent electrical shock</p> Signup and view all the answers

Study Notes

Low Voltage System (LVS)

Defined as all electrical circuits of the vehicle in CV (Conventional Vehicle) and every electrical part not part of the TS (Traction System) in EV (Electric Vehicle).
Maximum permitted voltage between any two electrical connections in LVS is 60 V DC or 50 V AC RMS.
All LVS parts must be adequately insulated.
Excluded systems from LVS voltage limit in CV:
- High voltage systems for ignition
- High voltage systems for injectors
- Voltages internal to OEM charging systems designed for

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Description

Learn about the Low Voltage System (LVS) in vehicles, including its definition, voltage limits, insulation requirements, and excluded systems. Test your knowledge with this quiz!