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GB/T 40884-2021Small craft - Electric propulsion system (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

November 26, 2021

Implementation date

June 1, 2022

Scope

GB/T 40884-2021 (Small craft - Electric propulsion system) is available as an English-translated PDF.

GB/T 40884-2021 is the Chinese standard "Small craft - Electric propulsion system". Its scope clause reads: This document specifies alternating current (AC) and direct current for electric propulsion and/or hybrid (with rechargeable batteries and fuel power) propulsion (DC) Design and installation of electrical systems.

This document applies to the following electric propulsion systems used alone or in combination. ---DC less than 1500V; ---Single-phase alternating current not more than 1000V; ---Three-phase alternating current not more than 1000V.

This document is applicable to electric propulsion systems installed on small craft (LH meeting the requirements of ISO 8666) with a length of no more than 24m.

Appendix A of this document lists the additional information contained in the owner's manual, and Appendix B lists the additional information for the installer.

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Document preview — GB/T 40884-2021

National Standard of the People's Republic of China

Classification: U 37

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
4.1 General
4.2 Components of the electric propulsion system
4.3 Electric propulsion system
4.4.1 DC system
4.4.2 AC system
4.5 Environmental factors
4.6 Electrical requirements
4.7 Equipment
4.7.1 Transformer
4.7.2 Converter
4.7.3 Motor
4.8 Protective enclosure
4.9 Identification of equipment and wires
4.10 Isolation of DC and AC systems
4.11 Manipulation and throttle control
4.12 Electromagnetic compatibility (EMC)
4.13 Electrical equipment near the battery pack
4.14 Hazardous area
5 Control, monitoring, system alarm and trip alarm
5.1 Electrical/Electronic Control of Electric Propulsion System
5.1.1 Control
5.1.2 Emergency stop
5.1.3 Trip reset
5.1.4 "Emergency" mode
5.2 Meters, alarms and trip and cut-off alarms
5.2.1 General requirements
5.2.2 Operation mode and status
5.2.3 System Alarm
5.2.4 Fault trip and cut off alarm
6 Protection against electric shock
6.1 Prevent direct contact
6.3 Ground fault monitoring and tripping cut-off device for DC full insulation system and DC three-wire system
6.4 Ground fault trip and cut-off of AC non-neutral grounding system (IT type system)
7 Overcurrent protection
7.1 General requirements
7.2 Characteristics of protective devices
7.3 Overcurrent device in battery output circuit
8 Battery monitoring and installation
8.1 General requirements
8.2 Isolation of battery packs or battery packs
8.3 Operation switch of battery pack or battery pack
8.4 Permanently energized circuit
8.5 Ventilation
8.6 Electrical equipment for explosive gas atmospheres
9 Electrical installations
9.1 General requirements
9.2 Isolation of electric propulsion system cables
10 test
10.1 General requirements
10.2 Grounding and connection
10.3 Insulation resistance
10.3.1 General requirements
10.3.2 DC electric propulsion system
10.3.3 AC electric propulsion system
10.3.4 Switchgear, panel and switchboard
10.3.5 Power supply and final lighting circuit
10.3.6 Generators and motors
10.3.7 Transformer
10.4 Electric/electronic control system for controlling propulsion motors
10.5 Load test and inspection of electric propulsion system and related switchgear and control device
10.6 Voltage drop
Appendix A (Normative) Information and instructions in the owner's manual
Appendix B (Normative) Installation Document

1 Scope

This document specifies alternating current (AC) and direct current for electric propulsion and/or hybrid (with rechargeable batteries and fuel power) propulsion (DC) Design and installation of electrical systems.

This document applies to the following electric propulsion systems used alone or in combination.

---DC less than 1500V;

---Single-phase alternating current not more than 1000V;

---Three-phase alternating current not more than 1000V.

This document is applicable to electric propulsion systems installed on small craft (LH meeting the requirements of ISO 8666) with a length of no more than 24m.

Appendix A of this document lists the additional information contained in the owner's manual, and Appendix B lists the additional information for the installer.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations

Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

This document.

GB/T 37419-2019 Electric or electronic control system for steering, shifting and throttle of small boats (ISO 25197.2012, IDT)

ISO 8846 Protection of small craft electrical devices against ignition of surrounding flammable gas (Smalcraft-Electricaldevices-

Protectionagainstignitionofsurroundingflammablegases)

ISO 9094 Smallcraft-Fireprotection (Smalcraft-Fireprotection)

ISO 10133.2012 Small boat electrical system ultra-low voltage DC device (Smalcraft-Electricalsystems-Extra- low-voltaged.c.instalations)

ISO 10239 Small craft liquefied petroleum gas (LPG) system [Smalcraft-Liquefied petroleum gas (LPG) sys- tems]

ISO 10240 Small Craft-Owner's manual (Smalcraft-Owner'smanual)

ISO 11105 Ventilation of petrol engine and/or petrol tank compartment of small boats (Smalcraft-Ventilation of petrolengine and/orpetroltankcompartments)

ISO 13297.2014 Small craft electrical system AC device (Smalcraft-Electricalsystems-Alternatingcur- rentinstalations)

IEC 60034 series rotating electrical machines (Rotatingelectricalmachines)

IEC 60079 series electrical equipment for explosive gas atmospheres (Electricalapparatusforexplosivegasatmos- pheres)

IEC 60092-202.1994/Amd1.1996 Ship Electrical Equipment Part 202.System Design Protection (Electricalin- stalationinships-Part 202.Systemdesign-Protection)

IEC 60092-303 Ship Electrical Equipment Part 303.Transformers for Equipment Power and Lighting (Electricalinstalation inships-Part 303.Equipment-Transformersforpowerandlighting)

IEC 60092-352 Ship Electrical Equipment Part 352.Selection and Installation of Cables (Electricalinstalationinships-

Part 352.Choiceandinstalationofelectricalcables)

GB/T 40787 | GB/T 18572 | GB/T 16696 | GB/T 11686.1 | […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 51 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 37419-2019Small craft - Electrical/electronic control systems for steering, shift and throttle

ISO 25197.2012 · ISO 8846 · ISO 9094 · ISO 10133.2012 · ISO 10239 · ISO 10240 · ISO 11105 · ISO 13297.2014 · IEC 60034 · IEC 60079 · IEC 60092

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