GB 5226.3-2005 PDF EnglishUS$530.00 · In stock · Download in 9 seconds
GB 5226.3-2005: Safety of machinery -- Electrical equipment of machines -- Part 11: Requirements for HV equipment for voltages above 1 000 V a.c. or 1500Vd.c. and not exceeding 36kV Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB 5226.3-2005: Safety of machinery -- Electrical equipment of machines -- Part 11: Requirements for HV equipment for voltages above 1 000 V a.c. or 1500Vd.c. and not exceeding 36kV---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB5226.3-2005 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 29.020 J 09 GB 5226.3-2005 / IEC 60204-11.2000 Safety of Machinery - Electrical Equipment of Machines - Part 11.Requirements for HV Equipment for Voltages above 1,000 Va.c. or 1,500 Vd.c. and Not Exceeding 36 kV (IEC 60204-11.2000, IDT) Issued on. SEPTEMBER 9, 2005 Implemented on. SEPTEMBER 1, 2006 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 Introduction... 4 1 Scope... 6 2 Normative References... 7 3 Definitions... 9 4 General Requirements... 16 5 Incoming Supply Conductor Terminations, Devices for Disconnecting and Switching off, and Means for Earthing... 18 6 Protection against Electric Shock... 22 7 Protection of HV Equipment... 25 8 Equipotential Bonding... 28 9 Control Circuits and Control Functions... 33 10 Operator Interface and Machine-mounted Control Devices... 33 11 Electronic Equipment... 33 12 Controlgear. Location, Mounting, and Enclosures... 33 13 Conductors and Cables... 36 14 Wiring Practices... 42 15 Electric Motors and Associated Equipment... 45 16 Accessories... 45 17 Marking, Warning Signs and Reference Designations... 46 18 Technical Documentation... 46 19 Testing and Verification... 46 Annex A (informative) Examples of Machines Covered by this Part of GB 5226... 49 Annex B (informative) Inquiry Form for the HV Equipment of Machines... 50 Annex C (informative) Method of Calculation for the Cross-sectional Area of Bare Protective Conductors in Supply Systems with Direct Earthing or Low Impedance Earthing of the Neutral... 54 Annex D (informative) Relationship between Cable Rated Voltages and Highest Voltage for HV Equipment... 55 Annex E (informative) Rationalization of the Use of Terms Relating to Earthing and Protective Bonding... 56 Index... 59ForewordIn this Part, Clause 1, Clause 2, Clause 3, 4.5, 12.3 and Clause 18 are recommended, and the remaining is mandatory. GB 5226 Safety of Machinery - Electrical Equipment of Machines is divided into the following parts. ---Part 1.General Requirements; ---Part 11.Requirements for HV Equipment for Voltages above 1,000 Va.c. or 1,500 Vd.c. and Not Exceeding 36 kV; ---Part 31.Particular Safety and EMC Requirements for Sewing Machines, Units and Systems; ---Part 32.Requirements for Hoisting Machines. This is Part 11 of GB 5226.It equivalently adopts IEC 60204-11.2000 Safety of Machinery - Electrical Equipment of Machines - Part 11.Requirements for HV Equipment for Voltages above 1,000 Va.c. or 1,500 Vd.c. and Not Exceeding 36 kV (English Version). This Part equivalently translates IEC 60204-11.2000. In this Part, Annex A, Annex B, Annex C, Annex D and Annex E are informative. This Part was proposed by China Machinery Industry Federation. This Part shall be under the jurisdiction of National Technical Committee on Industrial Machinery Electrical System of Standardization Administration of China (SAC/TC 231). The drafting organizations of this Part. School of Mechanical Engineering, Beijing Union University; Beijing Beikai Electric Co., Ltd. The main drafters of this Part. Xue Lijun, Lv Dezeng, Huang Ping, Gong Daoxiong, Liu Huan.1 ScopeThis Part of GB 5226 applies to the electrical and electronic equipment and systems of machines, including a group of machines working together in a coordinated manner, but excluding higher level system aspects (i.e., communications between systems).2 Normative ReferencesThe clauses of the following documents become clauses of this Part through the normative references in this Part of GB 5226.In terms of references with a specified date, all subsequent amendments (excluding errata content) or revisions do not apply to this Part. However, the various parties that reach an agreement in accordance with this Part are encouraged to explore whether the latest versions of these documents are applicable. In terms of references without a date, the latest versions apply to this Part.3 DefinitionsNOTE The index lists, in alphabetical order, the terms defined in this clause and indicates where they are used in the text of this Part of GB 5226.4 General RequirementsElectrical equipment shall be installed in accordance with the supplier's instructions, and ergonomic principles should be taken into account.5 Incoming Supply Conductor Terminations, Devices forDisconnecting and Switching off, and Means for Earthing For each incoming HV supply, means shall be provided to earth and short-circuit all live conductors by connecting them to the earthing system (e.g., for work on the HV equipment).6 Protection against Electric ShockProtection against direct contact with live parts, parts with insulation for functional purposes only and with parts which can be considered to have a hazardous potential (for examples of such parts see 7.1.1 of HD 637.1999) shall be provided as follows.7 Protection of HV EquipmentOvercurrent protection shall be provided where the current in a machine circuit can exceed either the rating of any component or the current-carrying capacity of the conductors, whichever is the lesser value. The ratings or settings to be used are detailed in 7.2.6.8 Equipotential BondingWhere the continuity of the protective bonding circuit can be interrupted by means of removable current collectors or plug/socket combinations, the protective bonding circuit shall not be interrupted before the live conductors have been disconnected, and shall be reestablished before any live conductor is reconnected. This also applies to removable or withdrawable plug-in units (see also 14.4).9 Control Circuits and Control FunctionsThe requirements of Clause 9 of GB 5226.1-2002 apply except where the LV control circuits are covered by other standards. Control circuits directly connected to high-voltage circuits (e.g., thyristor gate circuits) shall be electrically separated from low voltage circuits by the use of an interface technique such as optical coupling or transformer coupling.10 Operator Interface and Machine-mounted Control DevicesThe requirements of Clause 10 of GB 5226.1-2002 apply, but the minimum degree of protection against direct contact shall be IPXXDH for operator interface and machine-mounted control devices (see also 6.2, protection against direct contact). ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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