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Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 7358-2025: Electrical installations in ships - System design - General Status: Valid GB/T 7358: Historical versions
Basic dataStandard ID: GB/T 7358-2025 (GB/T7358-2025)Description (Translated English): Electrical installations in ships - System design - General Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: U60 Classification of International Standard: 47.020.60 Word Count Estimation: 34,333 Date of Issue: 2025-04-25 Date of Implementation: 2025-11-01 Older Standard (superseded by this standard): GB/T 7358-1998 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 7358-2025: Electrical installations in ships - System design - General---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.ICS 47.020.60 CCSU60 National Standard of the People's Republic of China Replace GB/T 7358-1998 General principles for design of marine electrical equipment systems Released on 2025-04-25 2025-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of contentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 3.1 General 1 3.2 Power distribution system 2 3.3 DC power distribution system 3 3.4 AC power distribution system 4 3.5 Power Supply 4 4 Safety 4 4.1 General requirements 4 4.2 Protection level 5 5 System Design 6 5.1 General requirements 6 5.2 System Analysis and Calculation 6 5.3 File 7 6 Power Distribution System 8 6.1 General requirements 8 6.2 DC Power Distribution System 9 6.3 AC power distribution system 11 7 System grounding 13 7.1 General requirements 13 7.2 Neutral point grounding method 14 7.3 Parallel operation of generators and/or main distribution transformers 14 7.4 Earthing resistor, connected to hull/structure 14 8 Power Supply 15 8.1 Auxiliary equipment power supply 15 8.2 Main bus tie circuit breaker 17 8.3 Dead Ship Starting 18 8.4 Consequences of bus failure or control system failure 18 8.5 Additional power supply 18 8.6 Emergency power supply 18 9 Requirements for power distribution systems 19 9.1 General requirements 19 9.2 Power distribution system for container loads or temporary loads 19 9.3 Power distribution method 19 9.4 Load Balancing 19 9.5 The final split 19 9.6 Socket 21 9.7 Lighting circuit 21 9.8 Shore power connection 21 9.9 Electric and electro-hydraulic steering gear 22 9.10 Navigation Lights 24 9.11 Navigation Device 24 9.12 Radio Devices 24 9.13 Fixed installed bilge pumps24 9.14 Motor Circuit 24 9.15 Lighting 25 9.16 Inboard communication circuit 25 10 Cable 25 Reference 26ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB/T 7358-1998 "General principles for design of marine electrical equipment systems". Compared with GB/T 7358-1998, In addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Added the terms "electric rudder" and "steering gear power unit" (see 3.17 and 3.19); --- Added provisions on analysis and calculation (see 5.2); --- Added provisions on documents (see 5.3); --- Changed the provisions on power distribution system (see Chapter 6, Chapter 4 and Chapter 5 of Part III of the.1998 edition); --- Changed the provisions on the requirements for power distribution systems (see Chapter 6, Chapter 7 to Chapter 20 of Part V and Part VI of the.1998 edition Chapter 21~Chapter 25); --- Added provisions on system grounding (see Chapter 7); --- Changed the provisions on power supply (see Chapter 8, Chapter 6 of Part IV of the.1998 edition); --- Deleted the provisions on cables (see Chapter 27 to Chapter 40 of Part VIII of the.1998 edition); --- Added provisions on electric and electro-hydraulic steering gear (see 9.9). This document is equivalent to IEC 60092-201.2019 "Marine electrical equipment Part.201.General principles for system design". The following minimal editorial changes were made to this document. --- In order to coordinate with the existing standards, the name of the standard is changed to "General Principles for Design of Marine Electrical Equipment Systems". Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Technical Committee for Standardization of Marine Electrical and Electronic Equipment (SAC/TC531). This document was drafted by. China Shipbuilding Industry Corporation Limited 708 Research Institute, China Shipbuilding Industry Corporation Limited 704 Research Institute Institute, Jiangsu Yangzi Mitsui Shipbuilding Co., Ltd., Bender (Shanghai) Trading Co., Ltd. The main drafters of this document are. Du Rui, Zhili, Liu Yuan, Zhou Yilong, Li Jiajia, Chen Tao, Wang Yuhang, Chen Junjie, Tian Ximin, Zhang Minghai, Si Nan, Lu Wei, Jin Li, Yuan Haitong, Deng Rixi, Liao Wang, Yang Jie, Zhang Bo, Wang Dong, Ye Chengkai, Li Liuyang, Gan Bo. The previous versions of this document and the documents it replaces are as follows. ---First issued as GB 7358-1987 in 1987; first revised in.1998; ---This is the second revision. General principles for design of marine electrical equipment systems1 ScopeThis document applies to the general requirements for the design of marine electrical equipment systems.2 Normative referencesThe contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. Note. GB/T 6994-2006 Definitions and general provisions for marine electrical equipment (IEC 60092-101.2002, IDT) Part 202.Systemdesign-Protection) Note. GB/T 7357-2010 System design protection for electrical equipment in ships (IEC 60092-202.1994, MOD) Note. GB/T 21065-2007 Installation and completion tests of marine electrical installations (IEC 60092-401.1980, IDT) IEC 60364-1 Low-voltage electrical installations Part 1.Basic principles, general characteristics evaluation and definitions (Low-voltageelectri- Note. GB/T 16895.1-2008 Low voltage electrical installations Part 1.Basic principles, general characteristics evaluation and definitions (IEC 60364-1.2005, IDT) Note. GB/T 38329.1-2019 Port ship-shore connection Part 1.General requirements for high voltage shore connection (HVSC) system (IEC /IEEE80005-1. 2012, IDT) GB/T 38329.2-2021 Port ship-shore connection Part 2.Data transmission for monitoring and control of high-voltage and low-voltage shore power connection systems (IEC /IEEE80005-2.2016,IDT) GB/T 38329.3-2023 Port ship-shore connection Part 3.General requirements for low voltage shore connection (LVSC) system (IEC PAS80005-3. 2014,MOD) lifeatsea,SOLAS)3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 General 3.1.1 deadship All mechanical devices including the power supply are stopped, and the main propulsion device is put into operation by compressed air or starting batteries. A state where auxiliary services for operation and restoration of main power supply are also unavailable. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 7358-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 7358-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 7358-2025_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 7358-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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