Detail of GB/T 44852-2024

Introduction of GB/T 44852-2024

GB/T 44852-2024 Electric motorcycles and electric mopeds - Safety requirements for conductive connection to external electric power supply 1 Scope This document specifies the safety requirements and test methods for conductive charge by conductive connection to external electric power supply for electric motorcycles and electric mopeds (hereinafter referred to as "motorcycles"). This document is applicable to the design, production, and inspection of on-board charging systems (as shown in Figures A.2 and A.3 in Annex A) and off-board charging systems (as shown in Figures A.4 and A.5) between standard plugs/plugs (case A connection) or vehicle inlet (cases B and C connection) and REESS circuits on motorcycles, as well as off-board charger components for motorcycles (as shown in Figures A.4 and A.5). This document is not applicable to external electric power supplies and supply equipment for motorcycles. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 1002 Single phase plugs and socket-outlets for household and similar purposes - Types, basic parameters and dimensions GB/T 2099.1 Plugs and socket-outlets for household and similar purposes - Part 1: General requirements GB 4706.18 Household and similar electrical appliances - Safety - Particular requirements for battery chargers GB/T 14048.4 Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters (Including motor protector) GB/T 16895.5-2012 Low-voltage electrical installations - Part 4-43: Protection for safety - Protection against overcurrent GB/T 16895.23 Low-voltage electrical installations - Part 6: Verification GB/T 16935 (all parts) Insulation coordination for equipment within low-voltage supply systems GB/T 16935.1 Insulation coordination for equipment within low-voltage supply systems - Part 1: Principles, requirements and tests GB/T 17045-2020 Protection against electric shock - Common aspects for installations and equipment GB/T 17465 (all parts) Appliance couplers for household and similar general purposes GB/T 17625.2 Electromagnetic compatibility limits (EMC) - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤16A per phase and not subject to conditional connection GB/T 17625.7 Electromagnetic compatibility - Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems for equipment with rated current ≤75 A and subject to conditional connection GB 18384-2020 Electric vehicles safety requirements GB/T 18487.1-2023 Electric vehicle conductive charging system - Part 1: General requirements GB/T 19596-2017 Terminology of electric vehicles GB/T 20234.1 Connection set for conductive charging of electric vehicles - Part 1: General requirements GB/T 20234.2 Connection set for conductive charging of electric vehicles - Part 2: AC charging coupler GB/T 20234.3 Connection set for conductive charging of electric vehicles - Part 3: DC charging coupler GB/T 20234.4 Connection set of conductive charging for electric vehicles - Part 4: High power DC charging coupler GB 24155 Safety specifications for electric motorcycles and electric mopeds GB/T 30038 Road vehicles - Degrees of protection (IP-Code) GB/T 40428-2021 Electromagnetic compatibility requirements and test methods of conductive charging for electric vehicles GB 42296-2022 Safety technical requirements of charger for electric bicycles GB/T 43332-2023 Safety requirements of conductive charging and discharging for electric vehicles IEC 61140: 2016 Protection against electric shock - Common aspects for installation and equipment IEC 61851-1 Electric vehicle conductive charging system - Part 1: General requirements IEC/TS 61851-3 (all parts) Electric vehicle conductive charging system - Part 3: DC EV supply equipment where protection relies on double or reinforced insulation IEC/TS 61851-3-1: 2023 Electric vehicle conductive charging system - Part 3-1: DC EV supply equipment where protection relies on double or reinforced insulation - General rules and requirements for stationary equipment IEC 61851-25: 2020 Electric vehicle conductive charging system - Part 25: DC EV supply equipment where protection relies on electrical separation IEC 62196-2 Plugs, socket-outlets, vehicle connectors and vehicle inlets - Conductive charging of electric vehicles - Part 2: Dimensional compatibility requirements for AC pin and contact-tube accessories IEC/TS 62196-4 Plugs, socket-outlets, vehicle connectors and vehicle inlets - Conductive charging of electric vehicles - Part 4: Dimensional compatibility and interchangeability requirements for DC pin and contact-tube accessories for Class II or Class III applications IEC 62196-6 Plugs, socket-outlets, vehicle connectors and vehicle inlets - Conductive charging of electric vehicles - Part 6: Dimensional compatibility requirements for DC pin and contact-tube vehicle couplers intended to be used for DC EV supply equipment where protection relies on electrical separation 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 19596-2017, GB 18384-2020, and GB/T 18487.1-2023 and the following apply. 3.1 General 3.1.1 rechargeable electrical energy storage system; REESS energy storage system that is rechargeable and can provide electrical energy [Source: GB 18384-2020, 3.1] 3.1.2 removable REESS REESS that can be removed from a motorcycle manually or with the aid of a device/equipment Note: The portable REESS and the mobile REESS are referred to as removable REESS. 3.1.3 maximum working voltage voltage that, under normal working conditions, represents the possible AC voltage root mean square (r.m.s.) or the maximum value of DC voltage in the power system Note: Transient peaks and ripples shall be ignored. [Source: GB/T 19596-2017, 3.1.3.2.17, modified] 3.1.4 voltage class A maximum working voltage of a circuit, part of a circuit, or electrical component that is not greater than 30V (AC, r.m.s.) or 60V (DC) [Source: GB/T 19596-2017, 3.1.3.2.18, modified] 3.1.5 voltage class B maximum working voltage of a circuit, part of a circuit, or electrical component that is greater than 30V (AC, r.m.s.) and not greater than 1,000V (AC, r.m.s.), or greater than 60V (DC) and not greater than 1,500V (DC). Note: For voltage class A circuits and voltage class B circuits that are conductively connected to each other, if one electrode of the DC live component in the circuit is connected to the electric chassis, and the maximum voltage of any other live part relative to this electrode is not greater than 30V (AC, r.m.s.) and 60V (DC), this conductive connected circuit does not completely belong to a voltage class B electric circuit and only the part operating at voltage class B is considered as voltage class B electric circuit. [Source: GB/T 19596-2017, 3.1.3.2.19, modified] 3.1.6 electric chassis set of electrically interconnected conductive parts, whose potential is used as the reference potential [Source: GB/T 19596-2017, 3.1.2.2.2] 3.1.7 accessible part component that is accessible to a test finger as per GB/T 30038 3.1.8 degree of protection degree of protection provided by the enclosure against direct contact, foreign objects, and water, which is evaluated using the test method specified in GB/T 30038 [Source: GB/T 30038-2013, 3.2, modified] 3.2 Charging 3.2.1 charging process of adjusting the AC or DC supply network (power supply) to an appropriate voltage/current to provide electrical energy for the REESS of a motorcycle [Source: GB/T 18487.1-2023, 3.1.1, modified] 3.2.2 conductive charge method of charging a REESS by electrical conduction [Source: GB/T 18487.1-2023, 3.1.3, modified] 3.2.3 external electric power supply electric power supply outside the vehicle that supplies electricity to a motorcycle through supply equipment 3.2.4 on-board charging system motorcycle charging system which is fixedly installed on the vehicle and has an on-board section with dedicated control functions for connecting the vehicle to an external electric power supply 3.2.5 off-board charging system motorcycle charging system which is not fixedly installed on the vehicle and has an on-board section with dedicated control functions for connecting the vehicle to an external electric power supply 3.2.6 on-board charging equipment equipment or equipment combination in an on-board charging system 3.2.7 charger charger assembly excluding a cable

Contents of GB/T 44852-2024

Contents Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Safety requirements 5 Test methods Annex A (Informative) Charging types Annex B (Normative) Requirements for connection of motorcycles to DC supply equipment in accordance with IEC 61851-25: 2020 Annex C (Normative) Requirements for connection of motorcycles to DC supply equipment in accordance with IEC/TS 61851-3 (all parts) Bibliography