GB/T 19596-2017

Terminology of electric vehicles (English Version)

Standard No.

GB/T 19596-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 19596-2017

Replace

GB/T 19596-2004

Scope

This standard specifies the terms and their definitions related to electric vehicles. This standard applies to electric vehicles, motors and controllers, batteries and chargers.

Introduction

Standard Background and Revision Highlights

GB/T 19596-2017 replaces the 2004 version of the standard, adding 47 technical changes, including external charging classification and electric drive system terminology. The main changes include:

Revision Dimensions	2004 Version	2017 Version New
Vehicle Classification	Category 3	Category 5 (External Charging Mode Added)
Safety Terminology	12 Items	21 Items (Added B-Class Voltage Circuit Definition)
Energy Storage System	18 items	34 items (Power-increased performance parameters)

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Analysis of the Core Terminology System

3.1.1 Vehicle Classification

BEV (pure electric vehicle) is clearly defined as completely powered by electric energy; HEV (hybrid electric vehicle) is newly classified according to external charging capability:

• OVC-HEV: Externally rechargeable
• NOVC-HEV: Non-externally rechargeable

3.1.2 Key Components

high-voltage system is expanded to drive component systems with voltages above B, including:

Case: BYD's e-platform high-voltage system integration is increased by 30%, meeting the packaging requirements of this standard for REESS (rechargeable energy storage system)

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Technology Evolution Comparison

Technical Field	Limitations of the 2004 Version	Breakthroughs of the 2017 Version
Charger Terminology	Conductive Charging Only	Adding Definitions of Inductive Charging and Off-Board Chargers
Battery performance	Capacity indicator is the main indicator	Six additional parameters such as peak power and temperature characteristics

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Implementation suggestions

1. Enterprise R&D documents need to be updated with new terms such as FCHEV (Fuel Cell Hybrid Electric Vehicle)
2. Testing agencies should improve the power density test method according to clause 3.3.3.6
3. Export models should pay attention to the differences in insulation resistance requirements between this standard and ISO 8713:2022