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GB/T 2818-2014 PDF English

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GB/T 2818-2014: Submersible motor for deep well
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GB/T 2818: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 2818-2014English130 Add to Cart 0-9 seconds. Auto-delivery Submersible motor for deep well Valid
GB/T 2818-2002English639 Add to Cart 5 days Submersible motor for deep well Obsolete
GB/T 2818-1991English559 Add to Cart 4 days Submersible motor for deep well Obsolete

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GB/T 12785   GB 10395.19   GB 16151.12   GB/T 8097   

GB/T 2818-2014: Submersible motor for deep well

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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 65.060.35 B 91 Replacing GB/T 2818-2002 Submersible motor for deep well Issued on. JUNE 9, 2014 Implemented on. JANUARY 1, 2015 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 Contents

Foreword... 3 1 Scope... 5 2 Normative references... 5 3 Models, basic parameters and dimensions... 6 4 Technical requirements... 12 5 Test methods and inspection rules... 24 6 Marks and packaging... 26

Foreword

This Standard was formulated in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB/T 2818-2002 " Submersible motor for deep well". Compared with GB/T 2818-2002, except the editorial changes, the main technical differences of this Standard are as follows. -- MODIFY the motor rated voltage (see 3.4 of this version; 3.4 of 2002-version); -- ADD 8 power levels - 0.25kW, 250kW, 280kW, 315kW, 355kW, 400kW, 450kW, and 500kW (see 3.5 of this version); -- ADD the frame size and the corresponding power levels (see Table 1 of this version); -- MODIFY the connection dimensions and tolerances of motor and submersible pump (see Table 2 of this version; Table 2 of 2002-version); -- ADD the recommended values of spurious loss Ps of rated load of cast aluminum rotor motor (see Table 8 of this version); -- DELETE the E-class insulation (see 4.4 of this version; 4.4 of 2002-version); -- MODIFY the guarantee-values of the ratio OF motor stall torque TO the rated torque (see Table 9 of this version; Table 9 of 2002-version); -- MODIFY the guarantee-values of motor maximum torque (see 4.7 of this version; 4.7 of 2002-version); -- MODIFY the tolerance table of guarantee-values of electrical performance (see Table 12 of this version; Table 11 of 2002-version); -- ADD the polypropylene-type; DELETE the polyvinyl chloride type (see Table 13 of this version; Table 12 of 2002-version); -- MODIFY the hot insulation resistance of the stator windings (see 4.12 of this version; 4.12 of 2002-version); -- ADD the the conventional withstand voltage test for the 200kW and below motors that are mass-produced, in accordance with the provisions in 9.2 of GB 755-2008 (see 4.13 of this version); -- ADD the provision – impact voltage peak in inter-turn impulse withstand voltage of three-phase motor (see Table 14 of this version); -- ADD the downward bearing capacity of thrust bearing (see Table 15 of this version); -- ADD the provision - dry motors are subject to 40°C alternating hot and humid test (see 4.15,5.2.2.2 of this version); -- MODIFY the provisions – motor’s cable length (see 4.26 of this version; 4.25 of 2002-version); -- DELETE the provision - the basic safety requirements of the motor shall comply with the provisions of GB 10395.8 (see 4.21 of 2002-version); -- ADD the provision - safety requirements of the motor shall comply with GB 14711 (see 4.29 of this version); -- ADD the inspection of rotational direction (see 4.27, 5.2.1.2 of this version). This Standard was proposed by China Machinery Industry Association. This Standard shall be under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SAC/TC 201). Main drafting organizations of this Standard. Chinese Academy of Agricultural Mechanization Sciences, Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd., Jiangsu University - Fluid Machinery Engineering Technology Research Center, Xinjie Pump Group Co., Ltd., Leo Group Co., Ltd., Hefei Hengda Jianghai Pump Industry Co., Ltd., Tianjin Ganquan Group Co., Ltd. Jiangsu Xinge Irrigation-drainage Equipment Co., Ltd. The main drafters of this Standard. Qian Yichao, Yue Wenfa, Zhang Xiansheng, Li Shengnian, Wang Yang, Zhao Liwei, Gu Dejun, Hou Yongsheng, Gao Jiangyong, Xu Mintian, Mao Jianyun, Zhu Qinglong, Chai Xiuqiang, Han Youjun. The previous standards replaced by this Standard are as follows. -- GB/T 2818-1981, GB/T 2818-1991, GB/T 2818-2002. Submersible motor for deep well

1 Scope

This Standard specifies the types, basic parameters, technical requirements, test methods, inspection rules, marks and packaging for well submersible three-phase, single-phase asynchronous motor (hereinafter referred to as motor. This Standard is applicable to water-filled, oil-filled, dry and shielded structure motors that are integrated with well submersible pumps, submerged and run vertically in water.

2 Normative references

The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this Standard. GB/T 191 Packaging - Pictorial marking for handling of goods GB 755-2008 Rotating electrical machines - Rating and performance GB/T 997-2008 Rotating electrical machines - Classification of types of construction, mounting arrangements and terminal box position (IM Code) GB/T 2423.4-2008 Environmental testing for electric and electronic products - Part 2. Test method - Test Db. Damp heat, cyclic (12h+12h cycle)

3 Models, basic parameters and dimensions

3.1 Model 3.1.1 Expression method od models The model is consisted of the Pinyin capital letters and Arabic numerals, as follows. 3.2 The construction and mounting of the motor is IMV3 as specified in GB/T 997-2008. 3.3 The rating of motor is the continuous rating, taking the continuous duty (S1) as a reference. 3.4 Motor’s rated frequency is 50Hz; three-phase rated voltage is 380V or 660V; single-phase rated voltage is 220V. 3.6 The correspondence BETWEEN motor’s frame size, maximum outer diameter, synchronous speed AND rated power shall comply with the requirements in Table 1. 3.9 Radial runout and face runout OF flange stopper connecting the motor and pump TO the shaft centerline. for rolling bearing support, it shall not be greater than 0.08mm; for sliding bearing support, it shall not be greater than two-side clearance of bearing plus 0.1mm.

4 Technical requirements

4.1 Motors shall comply with the requirements of this Standard, and is manufactured according to the drawings and technical documents that are approved per specified procedure. 4.2 Under the following conditions, the motor shall be able to operate normally. 4.3 During the operation of the motor, the impact of supply voltage and frequency TO the rating value change and its impact TO the motor performance and temperature-rise shall comply with the provisions of GB 755-2008. 4.5 At rated voltage, the guaranteed value of ratio of three-phase motor’s stall torque TO the rated torque shall be in accordance with Table 9; the guaranteed value of ratio of the single-phase motor stall torque TO the rated torque shall be in accordance with Table 10. 4.6 At rated voltage, for those rated power is less than 100kW, the minimum torque during motor start-up shall not be less than 0.8 times the rated torque; for those rated power is 100kW and above, the minimum torque during motor start-up shall not be less than 0.5 times the rated torque. 4.8 At rated voltage, for single-phase resistance-start motor, the guaranteed value of the ration of the motor’s stall current TO rated current shall not exceed 10 times; for other type of motor, it shall comply with the requirements of Table 11. 4.14 Motor’s stator windings (except the wires that are directly immersed) shall be able to withstand the inter-turn impulse withstand voltage test, without breakdown; for single-phase motor, the test voltage (peak value) is 1800V; for three-phase motor, the test impulse voltage’s peak value shall be according to Table 14. 4.15 For dry motor, it shall be carried out according to the 40°C cyclic damp heat test method as specified in GB/T 2423.4-2008; after 12 cycles test, measure the insulation resistance of motor stator winding; for rated voltage of 380V, it shall not be less than 1.14MΩ; for rated voltage of 660V, it shall not be less than 1.98MΩ; and it shall be able to withstand the withstand voltage test for 1min, without breakdown; for rated voltage of 380V, the effective value of test voltage is 1500V; for rated voltage of 660V, it is 1970V. Motor’s withstand voltage test shall not be repeated; if it is indeed necessary, the test voltage shall be 80% of the specified value. Before the repeated test, motor shall be dried.

5 Test methods and inspection rules

5.1 Test Method The analysis and calculation of motor performance’s test methods and test results shall comply with the provisions of GB/T 12785 and GB/T 22719.1. 5.2 Inspection Rules Product inspection is divided into the exit-factory inspection and type inspection. 5.2.1 Exit-factory inspection 5.2.2.2 Motor’s type test items include.

6 Marks and packaging

6.1 Nameplate shall be fixed at obvious position on motor housing; nameplate’s material and its engraving shall ensure that the wordings are indelible within the valid lifetime of the motor. On the nameplate, it shall be marked with at least the following contents. 6.2 At water fill-hole and water drain-hole of the motor, it shall have obvious marks "fill-water" and "drain-water". 6.3 Motor’s stator windings shall have 3 or 6 outlet wire-ends; there shall have clear marks on them; and shall ensure that the wordings are indelible within the valid lifetime of the motor. 6.4 Motor’s shaft extending flat key shall be bundled on the shaft. Machined surface of shaft extension, flat key and flange shall be anti-rust and protective measures. 6.5 Motor package shall be able to ensure that, under normal storage conditions, the packed product or documents are not lost or damaged when the product is delivered to the user. Product packaging shall comply with the provisions of GB/T 13384.Its graphics shall comply with GB/T 191. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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