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GB/T 755-2019 English PDF (GB 755-2008, GB 755-2000)

GB/T 755-2019_English: PDF (GB/T755-2019)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 755-2019English395 Add to Cart 0--9 seconds. Auto-delivery Rotating electrical machines -- Rating and performance Valid GB/T 755-2019
GB 755-2008English250 Add to Cart 0--9 seconds. Auto-delivery [GB/T 755-2008] Rotating electrical machines -- Rating and performance Obsolete GB 755-2008
GB 755-2000EnglishRFQ ASK 5 days [Need to translate] Rotating electrical machines-Rating and performance Obsolete GB 755-2000
GB/T 755-1987EnglishRFQ ASK 3 days [Need to translate] General requirements for rotating electrical machines Obsolete GB/T 755-1987


BASIC DATA
Standard ID GB/T 755-2019 (GB/T755-2019)
Description (Translated English) Rotating electrical machines -- Rating and performance
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K20
Classification of International Standard 29.160.01
Word Count Estimation 58,518
Date of Issue 2019-12-10
Date of Implementation 2020-07-01
Drafting Organization Shanghai Electric Machinery System Energy Saving Engineering Technology Research Center Co., Ltd., Harbin Electric Power Equipment Co., Ltd., Shanghai Electric Group Shanghai Electric Machinery Co., Ltd., Hebei Electric Machinery Co., Ltd., Shandong Huali Electric Motor Group Co., Ltd., Leibo Electric (Wuxi) Co., Ltd. , Kangfu Technology Co., Ltd., Wolong Electric Group Co., Ltd., Chongqing Sailimeng Motor Co., Ltd., Guangdong Dongguan Motor Co., Ltd., Jiangsu Xianda Explosion-Proof Co., Ltd., Shandong Qilu Motor Manufacturing Co., Ltd., Shanghai Dekichi Electric Co., Ltd., Zhongdian Electric Co., Ltd., Zhejiang Special Motor Co., Ltd., Rongcheng Rongjia Power Co., Ltd., Wolong Electric Nanyang Explosion-proof Group Co., Ltd., Jiangmen Jiangling Electric Co., Ltd., Shanghai Liancheng Group Suzhou Co., Ltd.
Administrative Organization National Standardization Technical Committee for Rotating Electric Machines (SAC/TC 26)
Proposing organization China Electrical Equipment Industry Association
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration

BASIC DATA
Standard ID GB 755-2008 (GB755-2008)
Description (Translated English) [GB/T 755-2008] Rotating electrical machines. Rating and performance
Sector / Industry National Standard
Classification of Chinese Standard K20
Classification of International Standard 29.160.01
Word Count Estimation 46,497
Date of Issue 2008-06-19
Date of Implementation 2009-06-01
Older Standard (superseded by this standard) GB 755-2000
Quoted Standard GB/T 156-2007; GB/T 755.2-2003; GB 1971-2006; GB/T 1993-1993; GB/T 2900.25-2008; GB/T 4026-2004; GB 4343.1-2003; GB 4343.2-1999; GB 4706.1-2005; GB/T 4772.1-1999; GB/T 4772.2-1999; GB/T 4772.3-1999; GB 4824-2004; GB/T 4942.1-2006; GB 5226.1-2002; GB/T 6113.101-2008; GB/T 7064; GB/T 13394-1992; GB/T 17948; GB/T 20113-2006; GB/T 20161-2006; GB/T 21210-2007; GB/T 21211-2007; JB/T 7062-1993; JB/T 10098-2000; IEC 60060-1; IEC 60204-11; IEC 60027-1-1997; IEC 60279-1969; GB/T 2820.2-1997; GB/T 2820.3-1997; GB/T 2820.4-1997; GB/T 2820.5-1997
Adopted Standard IEC 60034-1-2004, IDT
Drafting Organization Shanghai Electrical Apparatus Research Institute (Group)Co., Ltd.
Administrative Organization National Standardization Technical Committee rotary motor
Regulation (derived from) Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Proposing organization China Electrical Equipment Industry Association
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This Chinese standard applies to all rotary motor, but other international and IEC standard motor, except as provided, for example, IEC 60349. Within the scope of this standard motors can meet substituted, modified or supplemented by other international and IEC standards, such as GB 3836 (IEC 60079) and GB/T 7060 (IEC 60092).

BASIC DATA
Standard ID GB 755-2000 (GB755-2000)
Description (Translated English) Rotating electrical machines-Rating and performance
Sector / Industry National Standard
Classification of Chinese Standard K20
Classification of International Standard 29.16
Word Count Estimation 44,443
Date of Issue 2000/1/3
Date of Implementation 2000/8/1
Older Standard (superseded by this standard) GB 755-1987
Quoted Standard GB 156-1993; GB/T 321-1980; GB/T 1993-1993; GB/T 2900.25-1994; GB/T 4026-1992; GB 4343-1995; GB/T 4772-1999; GB 4824-1996; GB/T 5226.1-1996; GB/T 6113.1-1995; GB/T 7064-1996; GB/T 13394-1992; GB 14821.1-1993; JB/T 5980-1992; JB/T 7062-1993; JB/T 8158-1995; IEC 60027-1-1992; IEC 60034-2-1972; IEC 60034-15-1995; IEC 60034-17-1992; IEC 60085-1984; IEC 60279-1969
Adopted Standard IEC 60034-1-1996, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Proposing organization National Machinery Industry Bureau
Issuing agency(ies) State Quality and Technical Supervision
Summary This Standard is applicable to all of the rotary motor, with the exception of the motor and the IEC and other international standards required, such as TB 2436 (IEC 60349, IEC 61377) traction motors. Motor within the scope of this standard can also be substituted in line, modified or supplemented by other international and IEC standards, such as GB 3836 (IEC 60079) Explosion-proof motors and GB/T 7060 (IEC 60092) marine motors.


GB/T 755-2019 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 29.160.01 K 20 GB/T 755-2019 / IEC 60034-1:2017 Replacing GB/T 755-2008 Rotating electrical machines - Rating and performance (IEC 60034-1:2017, Rotating electrical machines - Part 1: Rating and performance, IDT) ISSUED ON: DECEMBER 10, 2019 IMPLEMENTED ON: JULY 01, 2020 Issued by: State Administration for Market Regulation; Standardization Administration of the PRC. Table of Contents Foreword ... 3 1 Scope ... 7 2 Normative references ... 7 3 Terms and definitions ... 9 4 Duty ... 16 5 Rating ... 33 6 Site conditions... 37 7 Electrical operating conditions ... 38 8 Thermal performance and tests ... 47 9 Other performance and tests ... 66 10 Rating plates ... 76 11 Miscellaneous requirements ... 80 12 Tolerances ... 82 13 Electromagnetic compatibility (EMC) ... 84 14 Safety ... 86 Annex A (Informative) Guidance for the application of duty type S10 and for establishing the value of relative thermal life expectancy TL ... 87 Annex B (Informative) Electromagnetic compatibility (EMC) limits... 89 Bibliography ... 90 Foreword This Standard is drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB/T 755-2008 "Rotating electrical machines - Rating and performance". Compared with GB/T 755-2008, in addition to editorial changes, the main technical changes are as follows: - Modify the thermal equilibrium condition as follows: The temperature rises of the heating parts of the machine do not vary by more than a gradient of 1 K per half hour (see 3.25; 3.25 of the 2008 edition); - ADD the term "runaway speed" (see 3.33); - Modify the requirements of water coolant temperature (see 6.5; 6.5 of the 2008 edition); - ADD the provision that variable-frequency machines shall meet the IVIC requirements; ADD the requirements of bus transfer and fast reclosing (see 7.1); - ADD Table 3, CCC symbol designation of converter supply mode (see Table 3 in 7.2.4); - Modify item 5 of Table 4 in 7.3: Synchronous generator driven by steam turbines or combustion gas turbines with rated output ≥10 MVA (see Table 4; Table 3 of the 2008 edition); - ADD the provision on impulse voltage insulation class for machines designed to operate without partial discharges (see 7.5); - ADD a new insulation class 200(N); modify some temperature rise limits in Table 8 (see Table 8; Table 7 of the 2008 edition); - Modify the calculation formula of item 1b in Table 10 (see Table 10; Table 9 of the 2008 edition); - ADD the marking of IC code, IVIC of variable-frequency machines, and of efficiency class IE code (see 10.2); - Modify items 1 and 2 of tolerances (see 12.2; 12.2 of the 2008 edition); - ADD EMC requirements for excitation synchronous machines without brushes (see 13.1). This Standard, using translation method, is identical to IEC 60034-1:2017 "Rotating electrical machines - Part 1: Rating and performance". China’s documents which have a consistent correspondence with the international documents normatively referenced in this Standard are as follows: - GB/T 156-2017 Standard voltages (IEC 60038:2009, MOD); - GB/T 1971-2006 Rotating electrical machines - Terminal markings and direction of rotation (IEC 60034-8:2002, IDT); - GB/T 1993-1993 Cooling methods for rotating electrical machines (eqv IEC 60034-6:1991); - GB/T 4026-2010 Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals and of conductor terminations (IEC 60445:2006, IDT); - GB 4343.1-2018 Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 1: Emission (CISPR 14-1:2011, IDT); - GB 4706.1-2005 Household and similar electrical appliances - Safety - Part 1: General requirements (IEC 60335-1:2004, IDT); - GB/T 4772.1-1999 Dimensions and output series for rotating electrical machines - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080 (IEC 60072-1:1991, IDT); - GB/T 4772.2-1999 Dimensions and output series for rotating electrical machines - Part 2: Frame numbers 355 to 1000 and flange numbers 1180 to 2360 (IEC 60072-2:1990, IDT); - GB/T 4772.3-1999 Dimensions and output series for rotating electrical machines - Part 3: Small built-in motors - Flange numbers BF10 to BF50 (IEC 60072-3:1994, IDT); - GB 4824-2013 Industrial, scientific and medical (ISM) radio-frequency equipment - Disturbance characteristics - Limits and methods of measurement (IEC/CISPR 11:2010, IDT); - GB/T 4942.1-2006 Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification (IEC 60034-5:2000, IDT); - GB 5226.1-2008 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements (IEC 60204-1:2005, IDT); - GB/T 6113.101-2016 Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-1: Radio disturbance and immunity measuring apparatus - Measuring apparatus (CISPR 16-1-1:2010, IDT); - GB/T 11021-2014 Electrical insulation - Thermal evaluation and designation (IEC 60085:2007, IDT); - GB/T 17948 (all parts) Rotating electrical machines - Functional evaluation of insulation systems [IEC 60034-18 (all parts)]; - GB/T 22715-2016 Impulse voltage withstand levels of form-wound stator coils for rotating a.c. machines (IEC 60034-15:2009, IDT); - GB/T 25442-2018 Standard methods for determining losses and efficiency of rotation electrical machines from tests (excluding machines for traction vehicles) (IEC 60034-2-1:2014, IDT); - GB/T 32877-2016 Specific test methods for determining losses and efficiency of converter-fed AC induction motors (IEC/TS 60034-2-3:2013, IDT). This Standard has made the following editorial changes: - CHANGE the standard name to "Rotating electrical machines - Rating and performance"; - CORRECT the clerical errors of the source text. This Standard was proposed by China Electrical Equipment Industry Association. This Standard shall be under the jurisdiction of National Technical Committee 26 on Electric Rotating Machinery of Standardization Administration of China (SAC/TC 26). Drafting organizations of this Standard: Shanghai Motor System Energy-saving Engineering Technology Research Center Co., Ltd.; Harbin Electric Power Equipment Co., Ltd.; Shanghai Electric Machinery Co., Ltd. (SEC); Hebei Electric Motor Co., Ltd.; Shandong Huali Electric Motor Group Co., Ltd.; Regal Beloit (Wuxi) Co., Ltd.; Nanchang Kungfu Power Equipment Co., Ltd.; Wolong Electric Group Co., Ltd.; Chongqing Electric Machine Federation Ltd.; Guangdong Dongguan Electric Motor Co., Ltd.; Jiangsu Xi’anda Explosion- proof Co., Ltd.; Shandong Qilu Motor Manufacturing Co., Ltd.; Shanghai CDQC Electric Co., Ltd.; SEC Electric Machinery Co., Ltd.; Zhejiang Special Motor Limited Company by Shares; Rongcheng Rongjia Power Co., Ltd.; Wolong Rotating electrical machines - Rating and performance 1 Scope This Standard is applicable to all rotating electrical machines except those covered by other national standards and IEC standards, for example, IEC 60349. Machines within the scope of this Standard may also be subject to superseding, modifying or additional requirements in other national standards and IEC standards, for example, IEC 60079 and IEC 60092. Note: If particular clauses of this Standard are modified to meet special applications, for example machines subject to radioactivity or machines for aerospace, all other clauses apply insofar as they are compatible. 2 Normative references The following documents are indispensable for the application of this document. For the dated references, only the editions with the dates indicated are applicable to this document. For the undated references, the latest edition (including all the amendments) are applicable to this document. GB/T 2900.25-2008 Electrotechnical terminology - Rotating electrical machines (IEC 60050-411:1996, IDT) GB/T 21210-2016 Starting performance of single-speed three-phase cage induction motors (IEC 60034-12:2016, IDT) IEC 60027-1 Letter symbols to be used in electrical technology - Part 1: General IEC 60027-4 Letter symbols to be used in electrical technology - Part 4: Rotating electric machines IEC 60034-2 (all parts) Rotating electrical machines - Part 2: Standard methods for determining losses and efficiency from tests (excluding machines for traction vehicles) IEC 60034-3 Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines IEC 60034-5 Rotating electrical machines - Part 5: Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification IEC 60034-6 Rotating electrical machines - Part 6: Methods of cooling (IC code) IEC 60034-8 Rotating electrical machines - Part 8: Terminal markings and direction of rotation IEC 60034-15 Rotating electrical machines - Part 15: Impulse voltage withstand levels of form-wound stator coils for rotating a.c. machines IEC 60034-18 (all parts) Rotating electrical machines - Part 18: Functional evaluation of insulation systems IEC 60034-18-41 Rotating electrical machines - Part 18-41: Partial discharge free electrical insulation systems (Type I) used in rotating electrical machines fed from voltage converters - Qualification and quality control tests IEC TS 60034-25 Rotating electrical machines - Part 25: AC electrical machines used in power drive systems - Application guide IEC 60034-29 Rotating electrical machines - Part 29: Equivalent loading and superposition techniques - Indirect testing to determine temperature rise IEC 60034-30 (all parts) Rotating electrical machines - Part 30: Efficiency classes of A.C. motors (IE-code) IEC 60038 IEC standard voltages IEC 60060-1 High-voltage test techniques - Part 1: General definitions and test requirements IEC 60072 (all parts) Dimensions and output series for rotating electrical machines IEC 60085 Electrical insulation - Thermal evaluation and designation IEC 60204-1 Safety of machinery - Electrical equipment of machines - Part 1: General requirements IEC 60204-11 Safety of machinery - Electrical equipment of machines - Part 11: Requirements for HV equipment for voltages above 1000 V a.c. or 1500 V d.c. and not exceeding 36 kV IEC 60335-1:2010 Household and similar electrical appliances - Safety - Part 1: General requirements IEC 60445 Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors IEC 60664-1 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests IEC 61148 Terminal markings for valve device stacks and assemblies and for power conversion equipment IEC 61293 Marking of electrical equipment with ratings related to electrical supply - Safety requirements CISPR 11 Industrial, scientific and medical equipment - Radiofrequency disturbance characteristics - Limits and methods of measurement CISPR 14 (all parts) Electromagnetic compatibility - Requirements for household appliances, electric tools and similar apparatus CISPR 16 (all parts) Specification for radio disturbance and immunity measuring apparatus and methods 3 Terms and definitions For the purposes of this document, the terms and definitions in GB/T 2900.25- 2008, and the following apply. Note 1: For definitions concerning cooling and coolants, other than those in 3.17 to 3.22, see IEC 60034-6. Note 2: For the purposes of this document, the term ‘agreement’ means ‘agreement between the manufacturer and purchaser’. 3.1 Rated value Quantity value assigned, generally by a manufacturer, for a specified operating condition of a machine. Note: The rated voltage or voltage range is the rated voltage or voltage range between lines at the terminals. [GB/T 2900.25-2008, definition 411-51-23] ......


GB 755-2008 Rotating electrical machines.Rating and performance ICS 29.160.01 K20 National Standards of People's Republic of China GB 755-2008/IEC 60034-1.2004 Replacing GB 755-2000 The rotary electric machine rating and performance (IEC 60034-1.2004, IDT) Published 2008-06-19 2009-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China issued Table of Contents Preface Ⅰ 1 Scope 1 2 Normative References 1 2 3 Definitions 4 Duty 5 5 rating 14 6 on-site operating conditions 16 7 Electrical operating conditions 17 Thermal and 8 Test 21 Other performance tests 9 and 30 10 Nameplate 36 11 37 Other required 12 38 Tolerance 13 Electromagnetic compatibility (EMC) 39 14 Safety 40 Application of heat and determining the relative value of the expected lifetime TL guide Annex A (Informative Appendix) SlO duty is 41 Annex B (informative) Electromagnetic compatibility (EMC) limits 42 GB 755-2008/IEC 60034-1.2004 Foreword Chapter 8 of this standard temperature and the temperature rise limit 8.10, Chapter 9 withstand voltage test 9.2, 9.6 Induction Motors operate safely Line speed, 9.7 speed, Chapter 11 11.1 grounding protection, Chapter 13 Electromagnetic compatibility (EMC), Chapter 14, security is mandatory that It is recommended. Mandatory provisions in the above table and an indicator of the mandatory technical content. Equivalent standards adopted IEC 60034-1.2004 "rotating electric machine rating and performance" (11th edition). This standard is based on the standard of the rotating electric machine, and which defines the technical requirements of basic performance of the motor. Related products in addition to special requirements Such products should be included in the technical standards, the rest shall comply with this standard. This standard replaces GB 755-2000. This standard GB 755-2000 comparison, change of place. a) the reference temperature water as the cooling medium, particularly temperature unchanged, over the submersible motor is not considered included in this range. b) measure the distortion factor to increase the harmonic current of the load circuit requires. c) In view of the production is no longer used or rarely A, E-grade insulation, canceled A, E content level insulation, and to deposit greater than 200kW Class F insulation permissible temperature of the DC motor improved 5K. d) voltage varies with changes temperature correcting section, raising the voltage, reducing the correction amount. e) increased motor inspection test items. f) modifying the terms of the withstand voltage test. g) Modify the predetermined minimum torque cage induction motor. h) increasing the maximum safe operating speed requirements cage induction motor. i) synchronous motor telephone harmonic factor (THF) use amount of total harmonic distortion synchronous motor (THD) is represented. j) Modify the tolerance table. k) simplifies the description of the terms of EMC requirements. The standard 6.5 "cooling water temperature not higher than 25 deg.] C", and according to our natural environment, if necessary, cooling water temperature not higher than + 33 ℃. This standard Annex A, Annex B are informative annex. The standard proposed by China Electrical Equipment Industrial Association. This standard by the National Standardization Technical Committee of rotating electrical machines (SAC/TC26). Responsible for the drafting of this standard. Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd., Shandong Motor Group Co., North Bi Jie Beijing Electric Co., Ltd., Zhejiang Jinlong Electrical Machinery Co., Ltd., Hebei Electric Co., Ltd., Xi'an Simo Motor Co. Division of Motor Manufacturing Co., Ltd. Shandong Qilu, China Northern Locomotive and Rolling Stock Industry Group Yongji Electric Factory, Wheeling Qingjiang Motor Co., Ltd., Wuxi Huada Motor Co., Ltd., Xiangtan Electric Co., Ltd., Wolong Electric Corp., CSIC Electrical Machinery Technology Co. Shares The company, Lu'an Jianghuai Motor Co., Tellhow Technology Co., Ltd., Shanxi Ex Motor (Group) Co., Ltd., Shanghai Electric Division Electrical Branch Technology Co., Ltd. Participated in the drafting of this standard. Harbin Institute of Large Electric, China Electric Apparatus Research Institute, Lanzhou Electric Co., Ltd., Anhui Wannan Motor Co., Ltd., Shanghai Nanyang Electric Co., Ltd., Hebei Hengshui Electric Co., Ltd., Shanghai-Hui Electric Co., Ltd., Hai Mai Gert Motor Co., Ltd., Jiangsu Wuxi Anderson explosion, the Yangtze River Shipping Group Motor Factory, Jiangsu Dazhong Electric Corp.. This standard drafter. Li Xiuying, ENCHNOLOGY Fu Zhanghong PROJECTION Zhou Shoulian, Ye Jinwu, Yang Xiujun, Lee Jin, Wu Dezhong, Hezhi Science, Cao Hongtao, Chen Li, Guo lighthouse, Meng China, Li Bao, the Liu Lihan, Kang Maosheng, Lin Yang pivot. This standard supersedes the previous editions are. --- GB 755-1987; --- GB 755-2000. GB 755-2008/IEC 60034-1.2004 The rotary electric machine rating and performance Range 1 This standard applies to all rotating electrical machine, with the exception of the motor and under other international IEC standards, for example, IEC 60349. Machine covered by this standard may also be substituted by the compliance requirements and other international standards IEC modify or supplement, e.g. GB 3836 (IEC 60079) and GB/T 7060 (IEC 60092). Note. in order to apply, for example, resistance to radiation or aerospace motors and motor must be modified in certain provisions of this Standard special purposes, all of the other provisions Still valid when it can be applied. 2 Normative references Terms of the following documents become provisions of this standard by reference in this standard. For dated reference documents, all later Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to agreements based on this standard Whether the latest versions of these documents. For undated references, the latest version applies to this standard. GB/T 156-2007 standard voltage (IEC 60038.2002, MOD) GB/T 755.2-2003 rotary electric machine (except traction motor) Test Method for determining losses and efficiency (IEC 60034-2.1996, IDT) GB 1971-2006 Terminal markings rotary electric machine direction of rotation (IEC 60034-8.2002, IDT) GB/T 1993-1993 rotary motor cooling (eqv IEC 60034-6.1991) GB/T 2900.25-2008 Electrotechnical terminology rotary electric machine (IEV50 (411).1996) GB/T and a basic method and a specific terminal equipment safety rules conductor terminal identification marking and identification 4026-2004 HMI and General application alphanumeric system (IEC 60445.1999, IDT) GB 4343.1-2003 Electromagnetic compatibility appliances, electric tools and similar apparatus Part 1. Emission (CISPR 14-1.2001, IDT) GB 4343.2-1999 Electromagnetic compatibility appliances, electric tools and similar apparatus Part 2. Immunity product Class standards (idt, CISPR14-2.1997) GB 4706.1-2005 household and similar electrical appliances - Safety - Part 1. General requirements (IEC 60335-1.2004, IDT) GB T 4772.1-1999 rotary motor size and output power level Part 1 /. Frame 56 ~ 55 ~ 400 and the flange 1080 (idt IEC 60072-1.1991) GB/T 4772.2-1999 rotary motor size and output power levels Part 2. Frame numbers 355 to 1000 and the flange 1180 ~ 2360 (idt IEC 60072-2.1990) GB/T 4772.3-1999 rotary motor size and output power levels Part 3. low power built-in type motor flange No. BF10 ~ BF50 (idt IEC 60072-3.1994) GB 4824-2004 industrial, scientific and medical disturbance characteristics (ISM) radio equipment limits and measurement methods (CISPR 11.2003, IDT) GB/T 4942.1-2006 protection (IP code) an overall structure of a rotating electric machine rating (IEC 60034-5.2000, IDT) GB/T 5226.1-2002 Safety of machinery Electrical Equipment Part 1. General requirements (IEC 60204-1.2000, IDT) GB/T 6113.101-2008 radio disturbance and immunity measuring apparatus specifications (CISPR16-1-1.2006, IDT) GB/T 7064 turbine type synchronous motor technology requirements (GB/T 7064-2002, neqIEC 60034-3. 1988) GB/T 13394-1992 letter symbols used in electrical technology symbol rotation amount of the motor (eqv IEC 60027-4. 1985) GB/T 17948 (portions of) the rotary electric machine insulation Functional evaluation (IEC 60034-18 (portions), IDT) GB 755-2008/IEC 60034-1.2004 GB/T 20113-2006 Electrical insulation (EIS) thermal fractionation (IEC 62114.2001, IDT) GB/T 20161-2006 cage induction motors powered drive application guide (IEC 60034-17.2002, IDT) GB/T 21210-2007 starting performance of single-speed three-phase cage induction motors (IEC 60034-12.2002, IDT) GB/T 21211-2007 equivalent load of the rotary electric machine and overlay techniques - Indirect testing to determine temperature rise of the rotary electric machine (IEC 61986.2002, IDT) JB/T 7062-1993 Semiconductor converters connected to flag code (eqv IEC 60971. 1989) JB/T 10098-2000 AC motor stator winding forming a voltage level of impact resistance (IEC 60034-15.1995, IDT) High voltage test techniques IEC 60060-1 - Part 1. General definitions and test requirements Safety of machinery Electrical machinery IEC 60204-11 Part 11. AC voltage or DC voltage 1000V 1500V And a high voltage above 36kV or less required equipment IEC 60027-1.1997 Letter symbols technology electrician - Part 1. General IEC 60279. 1969 Measurement of AC charging motor winding resistance IEC 61293 device power rating electrical safety requirements marker 3 Terms and Definitions This uses standard GB/T 2900.25-2008 and the following terms and definitions. And on cooling a cooling medium, in addition to 3.17 ~ 3.22, the rest see GB/T 1993-1993. This standard "protocol" refers to the "agreement between the manufacturer and the user." 3.1 Typically the magnitude of a motor by the manufacturer under predetermined operating conditions specified. Note. rated voltage or voltage range refers to the end of the line voltage or the rated voltage range. 3.2 A set of ratings and operating conditions. 3.3 Ration output value. 3.4 At a given moment, the value of the full charge is applied to the motor and the mechanical quantity by a circuit or mechanical means. 3.5 The motor is rotating (the others are normal operating conditions) output from the zero power. 3.6 Motor with its load rating runtime. 3.7 The magnitude of the motor full load operation. NOTE. This concept applies to power, torque, current, speed and the like. 3.8 That the motor is neither motion nor a state of electrical or mechanical energy input. GB 755-2008/IEC 60034-1.2004 3.9 Described a series of load condition of the motor is subjected, including starting, electric braking, idling, can be broken down and its duration and sequencing the like. 3.10 Continuous working system can be divided, short, periodic or aperiodic types. Cyclical work system comprises one or more of a predetermined duration Load time constant; aperiodic the duty load and speed typically within permissible operating range of variation. 3.11 The duty cycle of the load (including starter and electric brake including) the duration of the entire cycle time ratio, expressed as a percentage. 3.12 The measured values of the motor at the minimum rated frequency, rated voltage and the rotational angle position of the rotor at all blocked on its axis of rotation generated torque. 3.13 The maximum steady-state current of the motor at rated frequency and the rated voltage of the rotor input from the power supply line in all angular positions blocked rms. 3.14 The motor at rated voltage, rated frequency, and zero rotation speed corresponding to the maximum torque generated by the torque steady asynchronous Minimum. This definition does not apply torque continuously increases with the decrease of the rotational speed induction motor. NOTE. In certain rotation speed, in addition to the steady-state torque asynchronous, it will also work with the rotor angle generating harmonics as a function of the synchronous speed. Under these speed correspond to certain power angle rotor acceleration torque may become negative. Experience and calculations show that this is an unstable operating state, harmonic acceleration synchronizing torque of the motor does not interfere, may be excluded from this definition. 3.15 No steady state dump speed asynchronous motor maximum torque at rated voltage and frequency produced. This definition does not apply torque continuously increases with the decrease of the rotational speed induction motor. 3.16 The maximum torque of the synchronous motor at rated voltage, the rated frequency and the rated field current, when the synchronous speed can produce. 3.17 One kind of heat transfer process, heat losses due to the motor is transmitted to the formation of the primary cooling medium, the medium can be exchanged continuously or It is cooled in a cooler secondary cooling medium. 3.18 Gas or liquid heat transfer medium. 3.19 Gaseous or liquid medium temperature is lower than a motor member, which contact with the parts of the machine, and take away the heat which is released. 3.20 Temperature is below the primary cooling medium is a gas or a liquid medium, the primary cooling medium through the outer surface of the cooler or the heat released to the motor GB 755-2008/IEC 60034-1.2004 The amount taken away. 3.21 One kind of winding, which is located inside the main cooling medium flows through the conductor insulation as the hollow part of the winding, the conduit, duct or channel, with the Direct contact with the cooling section, regardless of its orientation. 3.22 Any other windings other than the winding directly cooled. 1) In any case, if not marked "indirect" or "direct" it means that the word is the indirect cooling coil. 3.23 In order to prevent individual insulated dielectric breakdown due to the main electric shock, in addition to increasing the main insulation. 3.24 Each infinitesimal mass element with the micro-objects to a predetermined distance from the axis (radius) of the product of the square of the sum (integral). 3.25 Motor temperature variation in the heat generating member is not more than 1h state of 2K. 3.26 May be substituted several separate time constants to determine a temperature approximately stepwise change in current changing process occurs after the inner winding. 3.27 Fully enclosed by molding an insulating or closed winding. 3.28 K fN Under nominal conditions (averaged over the integration period a) the ratio of the maximum allowable RMS current Irms, maxN its mean IavN. K fN = Irms, maxNIavN 3.29 Q i Difference between the maximum value Imax and a minimum value Imin of fluctuations of its current Iav of 2 times the average (integrated average in one cycle) of the ratio of. Q i = Imax-Imin2Iav NOTE. The value of the current ripple is small, the ripple factor can be approximated by the formula. Q i = Imax-IminImax + Imin The calculation result q i is equal to or less than 0.4, the formula may be used for approximation. 3.30 Allowable deviation between the measured value of a nominal value and its quantity. GB 755-2008/IEC 60034-1.2004 3.31 According to a test design and manufacture of one or several motors are conducted to demonstrate that the design meets certain criteria. 3.32 After the test was completed during manufacturing or each motor conducted to ascertain whether they meet the criteria. 4 Duty Express duty of 4.1 Users have the responsibility to demonstrate duty. The user may indicate one of the following methods duty. a) The numbers indicate the load constant or varies in a known manner; b) with the amount of change in time sequence diagram; c) selecting a desired degree of complexity is not below the operating system at the S1 ~ S10. Type work system according to the provisions of 4.2, with a suitable abbreviation expressed written after the load value. Users normally can not make the motor inertia (JM) or relatively warm life (TL), see Appendix A. The manufacturer shall provide such data. When the user does not show working system, the manufacturer should be considered duty S1 (continuous duty). 4.2 Duty Type 4.2.1 S1 continuous duty duty --- Thermally stable to keep running at a constant load state, shown in Figure 1. This work referred system S1. P --- load; --- the PV electrical losses; --- a temperature [theta]; θmax --- Maximum temperature reached; FIG 1 S1 continuous duty duty GB 755-2008/IEC 60034-1.2004 4.2.2 S2 working short-time working system --- It runs at a constant load at a given time, during which time the motor is not sufficient to reach thermal equilibrium, followed by shutdown and de-energized for a time sufficient So that the motor is cooled again to a difference of the cooling medium within 2K, shown in Figure 2. This duty abbreviated as S2, followed by standard duration should be made to work. Example. S260min P --- load; --- the PV electrical losses; --- a temperature [theta]; θmax --- Maximum temperature reached; FIG short-time work 2 work system S2 4.2.3 S3 intermittent duty cycle duty --- 2) 2) duty cycle during the load operation of the motor means does not reach thermally stable. A sequence of identical work cycles, each cycle comprising a period of time can be constant load and a rest on and off, see Figure 3. This duty, the starting current of each cycle will not have a significant effect on the temperature rise. This duty abbreviated as S3, followed by duty cycle to be marked. Example. S3 25% GB 755-2008/IEC 60034-1.2004 P --- load; --- the PV electrical losses; --- a temperature [theta]; θmax --- Maximum temperature reached; TC --- load cycle; FIG 3 duty cycle intermittent duty S3 4.2.4 S4 working system includes a starter --- intermittent periodic duty 2) A sequence of identical work cycles, each cycle comprising temperature rise period start time has a significant effect, constant load operation period Row and a rest time and can break, shown in Figure 4. This working system referred to as S4, then duty cycle to be marked and imputed to the motor shaft of the motor inertia (JM) and negative Carrier inertia (Jext). Example. S4 25% JM = 0.15kg · m2 Jext = 0.7kg · m2 GB 755-2008/IEC 60034-1.2004 P --- load; --- the PV electrical losses; --- a temperature [theta]; θmax --- Maximum temperature reached; TC --- load cycle; FIG 4 includes a starter duty cycle intermittent duty S4 4.2.5 S5 duty --- comprising electrical braking chopper duty cycle of 2) Run as a series of identical work cycles, each cycle comprising a period start time, a period of constant load running time, some electric brake And a rest time-energized and, Figure 5. This working system referred to as S5, and then be marked with duty cycle calculated and normalized to a motor shaft of the motor moment of inertia (JM) and negative Carrier inertia (Jext). Example. S5 25% JM = 0.15kg · m2 Jext = 0.7kg · m2 GB 755-2008/IEC 60034-1.2004 P --- load; --- the PV electrical losses; --- a temperature [theta]; θmax --- Maximum temperature reached; TC --- load cycle; 5 includes an electrical braking chopper duty cycle duty S5 4.2.6 S6 duty cycle --- continuous working system 2) Run as a series of identical work cycles, each cycle comprising a period of time at constant load and no-load operation period of time, no downtime And time-energized, shown in Figure 6. This working system referred to as S6, then duty cycle to be marked. Example. S6 40% GB 755-2008/IEC 60034-1.2004 P --- load; --- the PV electrical losses; --- a temperature [theta]; θmax --- Maximum temperature reached; TC --- load cycle; FIG 6 consecutive periodic duty S6 duty cycle 4.2.7 S7 --- duty cycle of the electric brake includes a continuous working system 2) Run as a series of identical work cycles, each cycle comprising a period start time, a period of time and constant load operating period of the electric brake Time, non-energized time and downtime, see Fig. This working system referred to as S7, then imputed to be marked on the motor shaft to the motor inertia (JM) and load inertia (Jext). Example. S7 JM = 0.4kg · m2 Jext = 7.5kg · m2 GB 755-2008/IEC 60034-1.2004 P --- load; --- the PV electrical losses; --- a temperature [theta]; TC --- load cycle; Duty cycle = 1. FIG 7 includes a continuous duty cycle of the electric brake system work S7 --- 4.2.8 S8 duty load comprising - a corresponding change in speed continuous duty cycle 2) A sequence of identical work cycles, each cycle comprising a period of constant speed running at a prescribed time and a few paragraphs load In other different time constant load running speed (e.g., multi-speed induction motors), and the non-energized time of shutdown, see Figure 8. This working system referred to as S8, and then imputed to be marked on the motor shaft to the motor inertia (JM) and load inertia (Jext) and the load, speed and duty cycle at each speed. Example. S8 JM = 0.5kg · m2 Jext = 6kg · m2 16kW 740r/min 30% 40kW 1460r/min 30% 25kW 980r/min 40% GB 755-2008/IEC 60034-1.2004 P --- load; --- the PV electrical losses; --- a temperature [theta]; θmax --- Maximum temperature reached; --- speed like; TC --- load cycle; FIG 8 includes a load - corresponding change in speed of the continuous duty cycle duty S8 4.2.9 S9 --- duty load and speed changes for non-periodic duty Duty load and speed for an aperiodic variation in the allowable range. This system comprises a regular work overload, its value can be much Exceeds the reference load, shown in Figure 9. This duty referred to S9. For the concept of the present overload the duty, to select a single referenced S1 duty load suitable constant reference value (9 in FIG. The "Pref"). GB 755-2008/IEC 60034-1.2004 P --- load; Pref --- reference load; --- the PV electrical losses; --- a temperature [theta]; θmax --- Maximum temperature reached; --- speed like; 9 for non-periodic load and speed changes S9 duty work system 4.2.10 S10 --- discrete duty load and speed constant duty When including a specific number of discrete load (or equivalent load)/speed (if possible) operating system, to run each of the load/speed combination Between the motor should be sufficient to reach thermal equilibrium, see Figure 10. Minimum load value at a duty cycle may be zero (no-load or down and de-energized). Pu life TL. The expected thermal life of the reference value S1 is continuously working to develop the amount of their allowed limit temperature rise expected thermal life. stop TL values should be rounded to the nearest multiple of 0.05. This parameter is derived on the meanings and values in Appendix A. For the present working system, appropriately selected based on a constant load S1 duty load for the various discrete reference values (in FIG. 10 "Pref"). NOTE. discrete load values are generally determined by the integration time period equivalent load, each load cycle does not require exactly the same, only one cycle per A load duration sufficient to allow the motor to stabilize, the duty cycle for each and can give the same relative quadrature expected thermal life. GB 755-2008/IEC 60034-1.2004 P --- load; --- PI constant load within a duty cycle; Pref --- S1 based on the reference duty load; --- the PV electrical losses; --- a temperature [theta]; When the temperature of the reference load ref ---; TC --- load cycle; --- the difference ?? i in the winding of the load duty cycle of each of the temperature of the reference temperature; ----like speed. FIG 10 discrete constant load duty duty S10 5 rating 5.1 Fixed selected The manufacturer should be required of the selected rating 3.2. When selecting fixed, the manufacturer should be required in choosing a given 5.2.1 - 5.2.6 amount. Quota category shall be marked at the rated output. If there is no fixed categories, it is considered to be a continuous amount of work to develop. When the access by the manufacturer as an integral part of the motor attachment (e.g., reactors, capacitors, etc.), operator should go to the electrical rating of the overall composition The source terminal side. NOTE. This does not apply the power supply connection between the motor and the power transformer. When feeding the motor with static converter supply a predetermined or fixed, special consideration should be otherwise. GB/T 20161-2006 pair GB/T 21210-2007 cage induction motors within the scope of the guidelines given application. GB 755-2008/IEC 60034-1.2004 5.2 rating category 5.2.1 The amount of continuous work to develop And a quota, in accordance with its provisions meet the requirements of this standard, the motor should be able to make long-term operation. Such fixed duty corresponding to the S1, S1 duty flag likewise method. 5.2.2 The amount of short-term work to develop And a quota when, at the same time meet all its specified requirements of this standard, the motor should be started at ambient temperature and a predetermined Run within limits. Such fixed duty corresponding to S2, S2 likewise duty flag method. 5.2.3 cycle to develop the amount of work And a quota, meet their specified requirements of this standard, while the motor should run a specified duty cycle. Such S3 ~ S8 correspond to the fixed duty, the method likewise flag corresponding working. Unless otherwise specified, the duration of the duty cycle of 10min, duty cycle should be one of the following values. 15%, 25%, 40%, 60% 5.2.4 aperiodic amount of work to develop And a quota, according to predetermined criteria while satisfying the requirements of this, the motor should be non-periodic operation. Such S9 corresponding to the fixed duty, the method likewise flag S9 working. 5.2.5 discrete constant load and speed the development of the amount of work And a quota, according to the provisions while meeting the requirements of this standard, the motor should be able to withstand the combined load and speed work system S10 Do the long run. Within a maximum allowable load on the duty cycle should take into account all parts of the machine, such as the relative expected insulation structure Correctness exponentially thermal life, the bearing temperature, and thermal expansion of the other members. Unless other relevant national standards or IEC standards otherwise Predetermined, maximum load should not exceed 1.15 times the reference duty S1 to the load values. Minimum load may be zero, in case the motor load And can break or shutdown state. Such quota selection, see Appendix A. Such fixed duty corresponding to S10, S10 flag method likewise working. Note. Other relevant national standards ...... ......

Similar standards: GB/T 997-2022  GB/T 7409.4-2023  
Similar PDFs (Auto-delivered in 9 seconds): GB/T 755-2019  GB/T 997-2022  GB/T 1971-2021  GB/T 4831-2016