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GB/T 12668.502-2013 English PDF

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GB/T 12668.502-2013: Adjustable speed electrical power drive systems -- Part 5-2: Safety requirements -- Functional
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GB/T 12668.502-2013	1074	Add to Cart	3 days	Adjustable speed electrical power drive systems -- Part 5-2: Safety requirements -- Functional	Valid

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Basic data

Standard ID: GB/T 12668.502-2013 (GB/T12668.502-2013)
Description (Translated English): Adjustable speed electrical power drive systems -- Part 5-2: Safety requirements -- Functional
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K62
Classification of International Standard: 29.020
Word Count Estimation: 54,544
Quoted Standard: GB/T 20438.1-2006; GB/T 20438.2-2006; GB/T 20438.3-2006; GB/T 20438.6-2006; GB/T 20438.7-2006; IEC 60204-1; IEC 61508-1; IEC 61508-2; IEC 61508-3; IEC 61508-4; IEC 61508-5; IEC 61508-6; IEC 61508-7; IEC 61800-1; IEC 61800-2; IEC 61800-3; IEC 61800-4; IEC
Adopted Standard: IEC 61800-5-2-2007, IDT
Regulation (derived from): National Standards Bulletin No. 22 of 2013
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the functional safety from the viewpoint of the electrical transmission system (security-related) [PDS (SR)] design, development, integration and verification, detailed requirements are given recommendations. This standard applies

GB/T 12668.502-2013: Adjustable speed electrical power drive systems -- Part 5-2: Safety requirements -- Functional

---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.
Adjustable speed electrical power drive systems - Part 5-2. Safety requirements - Functional ICS 29.020 K62 National Standards of People's Republic of China Adjustable electric drive systems - Part 5-2. Safety requirements (IEC 61800-5-2.2007, IDT) Released on.2013-11-12 Implementation of.2014-08-07 General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 2 3 Terms and Definitions 3 4 specific security features 7 4.1 General 7 4.2 Security function 7 5 Functional safety management 9 5.1 Purpose 9 5.2 PDS (SR) Development Life Cycle 9 5.3 Functional Safety Plan 10 5.4 PDS (SR) Safety Requirements Description (SRS) 11 6 PDS (SR) Design and Development Requirements 13 6.1 General requirements 13 6.2 PDS (SR) design requirements 14 6.3 Fault Detection Behavior 20 6.4 Data Communication Additional Requirements 21 6.5 PDS (SR) integration and testing requirements 21 7 Use information 22 7.1 PDS (SR) Safe Use Information and Description 22 8 Verification and validation 23 8.1 General 23 8.2 Verification 23 8.3 Confirmation 23 8.4 Document 24 9 Test requirements 24 9.1 Test plan 24 9.2 Test file 24 10 Modification 24 10.1 Purpose 24 10.2 Requirements 24 Appendix A (informative) Sequence Task Table 26 Appendix B (informative) Example of determining PFH 29 Appendix C (informative) Applicable failure rate database 38 Appendix D (informative) Fault Table and Troubleshooting 40 Reference 49

Foreword

GB/T 12668 "Speed Control Electric Drive System" is divided into the following parts. ---Part 1. General requirements for the rated value of the low-voltage DC-regulated electric drive system; ---Part 2. General requirements for the rated value of low-voltage AC variable frequency electric drive system; --- Part 3. Electromagnetic compatibility requirements and their specific test methods; ---Part 4. General requirements for AC speed control electric drive systems with AC voltages above 1000V but not exceeding 35kV Provision of value; --- Part 5. Safety requirements; --- Part 6. Guidelines for determining the type of load duty and the corresponding current rating; --- Part 7. General interface and specification for electric drive systems; --- Part 8. Specification of the power supply interface voltage. This part is part 5-2 of GB/T 12668. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part uses the translation method equivalent to IEC 61800-5-2.2007 "Speed Control Electric Drive System Part 5-2. Safety Requirements can". The documents of our country that have a consistent correspondence with the international documents referenced in this part are as follows. ---GB/T 20438 (all parts) Functional safety of electrical/electronic/programmable electronic safety related systems [IEC 61508 (all section)]; ---GB/T 24339 (all parts) Rail transit communication, signal and processing systems [IEC 62280 (all parts)]. This section has made the following editorial changes. --- The decimal point symbol replaces "," with "."; --- For unnumbered column items, the first level of the column item is preceded by a dash; --- Removed the preface to international standards. This part was proposed by China Electrical Equipment Industry Association. This part is under the jurisdiction of the National Power Electronics Standardization Technical Committee (SAC/TC60). This section drafted by. Tianjin Electric Drive Design Institute, Shenzhen Yingweiteng Electric Co., Ltd., Shanghai Aotong Weir Power Electronics Co., Ltd., Beijing Hekang Yisheng Frequency Technology Co., Ltd., Hope Senlan Technology Co., Ltd., Beijing Lied Huafu Electric Co., Ltd. Technology Co., Ltd., Shenzhen Kumak New Technology Co., Ltd., Harbin Kyushu Electric Co., Ltd., Shandong Xinfengguang Electronics Division Technology Development Co., Ltd., MCC Saidi Electric Technology Co., Ltd., Shandong Taikai Automation Co., Ltd., Guangzhou Zhiguang Electric Co., Ltd. Shanghai Renault Technology Co., Ltd., Beijing ABB Electric Drive System Co., Ltd., National Electrical Control and Distribution Equipment Quality Supervision and Inspection Heart, Guangdong Huana East Energy Co., Ltd. The main drafters of this section. Zhao Xiangbin, Dong Guimin, Wu Hongbo, Dong Ruiyong, Pu Ankang, Du Xinlin, Ren Guangfa, Yi Peng, Luo Ziyong, Ding Zhaoguo, Zhao Shuguo, Zhang Shengmin, Li Kai, Xu Xianyu, Chen Guocheng, Wen Xiangning, Wang Shuqin, Su Yonghua, Chai Qing, Dong Tianshu. Speed control electric drive system Part 5-2. Security requirements Features

1 Scope

This part of GB/T 12668 specifies the design of the electric drive system (safety related) [PDS (SR)] from the perspective of functional safety. Development, integration, and verification, detailed requirements, and recommendations. This section applies to other standards related to variable speed electric drive systems in "Speed Control Electric Drive System". Note 1. The term “integration” is for the PDS (SR) itself, not for security-related applications. This section applies only when the functional safety of the PDS (SR) is identified and the PDS (SR) is operated in a high demand or continuous mode (see 3.10). For low demand applications, see IEC 61508. This part is a product standard that describes the PDS (SR) safety related considerations in the IEC 61508 architecture and introduces the PDS. (SR) is required as a safety-related subsystem. This section is intended to promote PDS (SR) electrical/electronic/programmable electronic components (E/E / PE) to implement the security features of the PDS security function. Manufacturers and suppliers of PDS (SR) design to control systems integrators and outfits by using this part of the regulatory requirements , etc.) show the security features of their devices. By applying the principles of IEC 61508 and implementation in their related fields (eg IEC 61511, IEC 61513, IEC 62061) or ISO 13849 help to incorporate PDS (SR) into safety-related control systems. All requirements required for PDS (SR) in IEC 61508 are met in accordance with this section. This section does not address the following requirements. --- Hazard and risk analysis for specific applications; --- Identification of security features for specific applications; --- The initial assignment of those safety functions to the Safety Integrity Level (SIL); ---Transmission equipment other than interface configuration; --- Secondary hazards (such as failures in production and manufacturing processes); --- Electrical, thermal and energy safety considerations included in IEC 61800-5-1; ---PDS (SR) production process; --- The effectiveness of the PDS (SR) signal and instructions. Note 2. The functional safety requirements for PDS (SR) are application dependent and must be considered as part of the overall risk assessment of the equipment. PDS (SR) supplier does not drive Where the equipment is responsible, the equipment designer is responsible for the risk assessment and specifies the overall functional and safety requirements of the PDS (SR). Note 3. Even though malicious behavior can affect the functional security of PDS (SR), the guarantee issue is not considered in this section. This section only applies to PDS (SR) which is not greater than the safety function of SIL3 SIL. Figure 1 shows the functional components of the PDS (SR) considered in this section. Figure 1 Functional components of PDS (SR) Figure 1 is a logical representation of the PDS (SR), not a physical description.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 20438.1-2006 Functional safety of electrical/electronic/programmable electronic safety systems - Part 1. General requirements (IEC 61508-1.1998, IDT) GB/T 20438.2-2006 Functional safety of electrical/electronic/programmable electronic safety related systems - Part 2. Electrical/electronic / Requirements for programmable electronic safety related systems (IEC 61508-2.2000, IDT) GB/T 20438.3-2006 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3. Software requirements (IEC 61508-3.1998, IDT) GB/T 20438.6-2006 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6 Application Guide for GB/T 20438.2 and GB/T 20438.3 (IEC 61508-6.2000, IDT) GB/T 20438.7-2006 Functional safety of electrical/electronic/programmable electronic safety related systems Part 7. Techniques and measures Overview (IEC 61508-7.2000, IDT) IEC 60204-1 Mechanical safety machinery and electrical equipment - Part 1. General technical conditions (Safetyofmachinery- Electricalequipmentofmachines-Part 1.Generalrequirements) IEC 61508 (all parts) Functional safety of electrical/electronic/programmable electronic safety related systems (Functional safety of Electrical/electronic/programmableelectronicsafety-relatedsystems) Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5. Determination of safety integrity, etc. Level method example (Functionalsafetyofelectrical/electronic/programmableelectronicsafety-relatedsys- tems-Part 5. Examplesofmethodsforthedeterminationofsafetyintegritylevels) IEC 61800-1 Speed control electric drive systems - Part 1. General requirements Regulation (Adjustablespeedelectricalpowerdrivesystems-Part 1. Generalrequirements-Ratingspecifi- Cancesforlowvoltageadjustablespeedd.c.powerdrivesystems) IEC 61800-2 speed control electric drive systems - Part 2. General requirements Adjustablespeedelectricalpowerdrivesystems-Part 2.Generalrequirements-Ratingspecifica- Tionsforlowvoltageadjustablefrequencya.c.powerdrivesystems) IEC 61800-3 Speed Control Electric Drive Systems Part 3. Electromagnetic compatibility standards for products and their specific test methods (Ad- Justablespeedelectricalpowerdrivesystems-Part 3. EMCrequirementsandspecifictestmethods) IEC 61800-4 Speed Control Electric Drive Systems Part 4. General requirements AC voltages up to 1000V but not exceeding 35kV AC speed control electric drive system rating (Adjustablespeedelectricalpowerdrivesystems-Part 4. Generalrequirements-Ratingspecificationsfora.c.powerdrivesystemsabove1000Va.c.andnot Exceeding35kV) IEC 61800-5-1.2003 Adjustable electric drive systems - Part 5-1. Safety requirements Electrical, heat and energy (Adjustable speedelectricalpowerdrivesystems-Part 5-1. Safetyrequirements-Electrical, thermalandenergy) IEC 62280 (all parts) Railway application communication, signal and processing systems (Railway applications- Communication,signalingandprocessingsystems)

3 Terms and definitions

The following terms and definitions apply to this document. Note. The definitions are arranged in alphabetical order, see Table 1. Table 1 Definition sequence table Term numbering terminology numbering term 3.1 Common Cause Failure 3.14 Security Failure 3.2 Dangerous Failure 3.15 Safety Failure Score 3.3 Diagnostic coverage 3.16 [PDS (SR)] security function 3.4 Diagnostic Test 3.17 Safety Integrity 3.5 Fault response function 3.18 Safety integrity level 3.6 Functional Safety 3.19 Safety Related Systems 3.7 Hazard 3.20 Safety Requirements Specification 3.8 Device 3.21 Safety Integrity Level Capability 3.9 Run Time 3.22 Subsystem 3.10 Operating Mode 3.23 Systematic Failure 3.11 Electrical Drive Systems (Safety Related) 3.24 System Safety Integrity 3.12 PFH 3.25 Confirmation 3.13 Inspection Test 3.26 Verification 3.1 Common cause failure commoncausefailure A failure, which is the result of one or more events, causing two or more separation channels to fail simultaneously in a multi-channel system, This leads to system failure. [GB/T 20438.4-2006, definition 3.6.10] 3.2 Dangerous failure dangerousfailure Failure of a safety-related system in a potentially dangerous or loss of functional state. [GB/T 20438.4-2006, definition 3.6.7] 3.3 Diagnostic coverage diagnosticcoverage; DC The reduction in the probability of failure of hardware hazards due to automated diagnostic tests. [GB/T 20438.4-2006, definition 3.8.6] Note 1. This can also be expressed as the ratio of the sum of the detected dangerous failure λDD and the total dangerous failure rate λD, ie DC=∑λDD/∑λD; Note 2. Diagnostic coverage may exist in all or part of a safety-related system. For example, diagnostic coverage may exist in sensors and/or logic systems and/or Terminal component. 3.4 Diagnostic test Tests intended to detect faults or hazards and produce specific output information or actions when faults or hazards are detected. 3.5 Fault response function faultreactionfunction This function is turned on when a fault or failure that may cause loss of safety function inside the PDS (SR) is detected. This feature is intended Maintain the safety of the unit and prevent dangerous situations. 3.6 Functional safety functionalsafety The overall safety component associated with EUC (controlled equipment) and EUC control systems, which depends on electrical/electronic/programmable power The correct functioning of sub-safety related systems, other technical safety related systems and external risk reduction facilities. [GB/T 20438.4-2006, definition 3.1.9] Note. This section only considers those aspects of functional safety definitions that depend on the correct operation of the PDS (SR). 3.7 Dangerous hazard Potential source of harm. [ISO /IEC Guide 51.1999, Definition 3.5] Note 1. This term includes risks to people (eg fire and explosion) in a short period of time, as well as those that have a long-term impact on human health (eg, toxic) Release of matter). Note 2. The modified version of IEC 61508-4.1998 defines a dangerous situation as a situation in which a person, property or environment is exposed to one or more dangers or dangers. Under the risk event. 3.8 Equipment instalation At least one or more devices including both the PDS (SR) and the driven device. 3.9 Running time The cumulative runtime of the PDS (SR) specified throughout the life cycle. 3.10 Mode of operation modeofoperation The manner in which safety-related systems are used, depending on the frequency of their requirements. Note 1. Rewrite GB/T 20438.4-2006, definition 3.5.12. Note 2. Two modes of operation are considered in IEC 61508. ---Low demand mode. In this mode, the frequency of operation requirements for a safety-related system is not more than once a year and no more than 2 times Verify the test frequency. ---High demand or continuous mode. In this mode, the frequency of operation requirements for a safety-related system is greater than once a year or more than 2 times Test test frequency. The low demand mode of operation is generally considered to be independent of the PDS (SR) application. Therefore, in this section, only PDS(SR)s are considered in high requirements or continuous modes. Under the operation. Note 3. The demand mode refers to the safety function that is performed only as required in order to transform the equipment into a specified state. Note 4. Continuous mode refers to the safety function of continuous operation. For example, the PDS (SR) continuously controls the (dangerous) failure of the equipment and its functions may cause danger. 3.11 Electric Drive System (Safety Related) PDS(SR) Variable speed electric drive system for safety related applications. 3.12 PFH The probability of dangerous random hardware failure per hour. Note. In IEC 62061.2005, the abbreviation PFHD is used. 3.13 Inspection test The safety-related system performs a cycle test to detect the fault, so if necessary, the system can be restored to the "initial" state or actually It is possible to be close to this state. Note. Inspection tests are usually used to cover dangerous faults that have not been detected by diagnostic tests. The effect of the test depends on the "initial" shape of the system repair The proximity of the state. In order for the test to be fully effective, it is necessary to detect all dangerous faults 100%. Although in practice, apart from being less complicated The system, 100% detected is not easy to do, but this should be the goal. 3.14 Safety failure safefailure It is not possible to put a safety-related system in a potentially dangerous or inactive state. [GB/T 20438.4-2006, definition 3.6.8] 3.15 Safety failure score safefailurefraction; SFF The average safety failure rate of the subsystem plus the ratio of the average risk failure rate detected to the total average failure rate of the subsystem. SFF=(∑λs ∑λDD)/(∑λs ∑λD) Note. See Appendix C of GB/T 20438.2-2006. 3.16 [PDS(SR)] security function safetyfunction[ofaPDS(SR)] Implemented in whole or in part by a PDS (SR) with specific safety features to maintain the safety status of the equipment or prevent it from appearing Dangerous state on the equipment. 3.17 Safety integrity safetyintegrity Under all the conditions specified, the PDS (SR) satisfactorily achieves the probability of the required safety function. Note 1. The higher the safety integrity level of the PDS (SR), the lower the probability that the PDS (SR) will not achieve the required safety function. Note 2. Safety integrity may differ from each security function performed by PDS (SR). Note 3. Rewrite GB/T 20438.4-2006, definition 3.5.2. 3.18 Safety integrity level safetyintegritylevel; SIL A discrete level (one of four possible levels) used to specify the security of the distribution (in whole or in part) to the security functions of the PDS (SR) Integrity requirements. Note 1. SIL4 is the highest level of safety integrity and SIL1 is the lowest level of safety integrity. Note 2. SIL4 is not considered in this section because it is usually not relevant for the risk reduction requirements associated with PDS(SR)s. For the requirements of SIL4, see IEC 61508. Note 3. Rewrite GB/T 20438.4-2006, definition 3.5.6. 3.19 Safety related system safety-related system It includes the following two systems. --- Perform the security functions required and necessary to achieve or maintain the security status of the EUC; and ---through its own, or other electrical/electronic/programmable electronic safety related systems, or safety related technology systems or external risk reduction Low facilities to achieve the safety integrity required for the necessary safety functions. 3.20 Safety requirements specification safetyrequirementsspecification; SRS Contains a description of all requirements for security functions that must be performed by the PDS (SR). 3.21 Safety integrity level capability safetyintegritylevelcapability;SILcapability Safety integrity, etc., through the design of PDS (SR) in terms of system safety integrity and hardware safety integrity structure constraints The maximum value of the level. Note. Each specified safety function that the PDS (SR) is expected to perform can be associated with a different SIL capability. 3.22 Subsystem subsystem Part of the top-level structural design of a safety-related system, its failure can lead to the failure of safety functions. N......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 12668.502-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 12668.502-2013_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 12668.502-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 12668.502-2013_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. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.