FMVSS 305 PDF

S1. Scope. This standard specifies requirements for limitation of electrolyte spillage and retention of electric energy storage/conversion devices during and after. NHTSA is issuing this final rule to amend Federal Motor Vehicle Safety Standard (FMVSS) No. , “Electric-powered vehicles: Electrolyte. FMVSS No. was originally drafted based on a voluntary consensus standard, the Society of Automotive Engineers (SAE) Recommended.

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Electrical fmmvss barrier is the part providing protection against direct contact with high voltage live parts from any direction of access. Each dummy is restrained only by means that are installed in the vehicle for protection at its seating position. Exposed conductive part is the conductive part that can be touched under the provisions of the IPXXB protection degree and that is not normally energized, but that can become electrically energized under isolation fault fvmss.

Service disconnect is the device for deactivation of an electrical circuit when conducting checks and services of the vehicle electrical propulsion system. The resistance between two exposed conductive parts of electrical protection barriers that are less than 2. For a high voltage source that has an automatic disconnect that is physically contained within itself, the electrical isolation measurement after the test is made from the side of the automatic disconnect connected to the electric power train or to the rest of the electric power train if the high voltage source is a component contained in the power train.

Direct contact protection for a vehicle charge inlet shall be provided by meeting the requirements specified in S5. Electric energy storage device means a high voltage source that stores energy for vehicle propulsion. At the option of the manufacturer, protection against indirect contact with high voltage sources shall be determined using the test method in subparagraph a or subparagraph b.

When leaving the vehicle, the driver shall be informed by an audible or visual signal if the vehicle is still in the possible active driving mode.

For a service disconnect which can be opened, disassembled, or removed without tools, protection degree IPXXB shall be provided when tested under procedures specified in S9.

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At least a momentary indication shall be given to the driver each time the vehicle is first placed in possible active driving mode after manual activation of the propulsion system.

Before any vehicle impact test, Vb is equal to or greater than the nominal operating voltage as specified by the vehicle manufacturer. For a high voltage source that has an automatic disconnect that is not physically contained within itself, the voltage measurement after the test is made from both the high voltage source side of the automatic disconnect and from the side of the automatic disconnect connected to the electric power train or to the rest of the electric power train if the high voltage source is a component contained in the power train.

Direct contact protection for a connector fvss be provided by meeting the requirements specified in S5. Luggage compartment is the space in the vehicle for luggage accommodation, separated from the passenger compartment by the front or rear bulkhead and bounded by a roof, hood or trunk lidfloor, and side fmvsss, as well as by electrical protection barriers provided for protecting the occupants from direct contact with high voltage live parts.

This includes, but is not limited to, a high voltage battery or battery pack, rechargeable energy storage device, and capacitor module. External electric power supply is a power supply external to the vehicle that provides electric power to charge the electric energy storage device in the 035 through the charge connector.

If the probe partly or fully penetrates into the electrical protection barrier, it is placed in every possible position to evaluate contact with high voltage live parts.

In addition to the conditions of S7.

FMVSS 305: Electrolyte spillage and electrical shock protection for electric-powered vehicles

When the vehicle is tested according to S6, the requirements of S5. Connector means a device providing mechanical connection and disconnection of high voltage electrical conductors to a suitable mating component, including its housing. Possible active driving mode is the vehicle mode when application of pressure to the accelerator pedal or activation of an equivalent control or release of the brake system causes the electric power train to move the vehicle.

Voltages V1 and V2 are measured between the source and the electrical chassis. Spillage is measured from the time the vehicle ceases motion after a barrier impact test until 30 minutes thereafter, and throughout any static rollover after a barrier impact test.

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Not more than 5.

Automatic disconnect ffmvss a device that when triggered, conductively separates a high voltage source from the electric power train or the rest of the electric power train.

Markings are not required for electrical connectors or the vehicle charge inlet. For motor vehicles with an electric energy storage device that can be charged through a conductive connection with a grounded external electric power supplya device f,vss enable conductive connection of the electrical chassis to the earth ground shall be provided.

FMVSS Electrolyte spillage and electrical shock protection for electric-powered vehicles

The resistance tester is connected to the measuring points the electrical chassis and any exposed conductive part of electrical protection barriers or any two simultaneously reachable exposed conductive parts of electrical protection barriers that are less than 2.

Each vehicle to which this standard applies, must meet the requirements in S5. Charge connector is a conductive device that, by insertion into a vehicle charge inlet, establishes an electrical connection of the vehicle to the external electric power supply for the purpose of transferring energy and exchanging information.

Bypass any fjvss or systems that do not allow the propulsion system to be energized at the time of impact when the vehicle ignition is on and the vehicle is in neutral. This includes parts under a cover, if the cover can be removed without using tools.

High voltage source means any electric component which is contained in the electric power train or conductively connected to the electric power train and has a working voltage greater than 30 VAC or 60 VDC. In addition, the voltage between an exposed conductive part of the electrical protection barrier of the high voltage source and any other simultaneously reachable exposed conductive parts of electrical protection barriers within 2.

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